From 3c995d0a8faeb9d37927d48e20fc45d839e066ea Mon Sep 17 00:00:00 2001 From: bg Date: Mon, 31 Jul 2006 16:04:26 +0000 Subject: [PATCH] new, derived from old avr/crypto + cast5 --- A5_1.c | 59 +++ A5_1.h | 46 ++ Makefile | 92 ++++ arcfour-asm.S | 122 ++++++ arcfour.c | 43 ++ arcfour.h | 23 + cast5-sbox.h | 583 ++++++++++++++++++++++++++ cast5.c | 444 ++++++++++++++++++++ cast5.h | 40 ++ config.h | 27 ++ debug.c | 46 ++ debug.h | 22 + hmac-sha256.c | 109 +++++ main-cast5-test.c | 146 +++++++ main.c | 296 +++++++++++++ md5.c | 15 + md5.h | 14 + prng.c | 95 +++++ prng.h | 22 + serial-tools.c | 64 +++ serial-tools.h | 9 + sha256-asm.S | 1025 +++++++++++++++++++++++++++++++++++++++++++++ sha256-asm.h | 31 ++ sha256.c | 183 ++++++++ sha256.h | 37 ++ uart.c | 181 ++++++++ uart.h | 37 ++ xtea-asm.S | 567 +++++++++++++++++++++++++ xtea.c | 32 ++ xtea.h | 28 ++ 30 files changed, 4438 insertions(+) create mode 100644 A5_1.c create mode 100644 A5_1.h create mode 100644 Makefile create mode 100644 arcfour-asm.S create mode 100644 arcfour.c create mode 100644 arcfour.h create mode 100644 cast5-sbox.h create mode 100644 cast5.c create mode 100644 cast5.h create mode 100644 config.h create mode 100644 debug.c create mode 100644 debug.h create mode 100644 hmac-sha256.c create mode 100644 main-cast5-test.c create mode 100644 main.c create mode 100644 md5.c create mode 100644 md5.h create mode 100644 prng.c create mode 100644 prng.h create mode 100644 serial-tools.c create mode 100644 serial-tools.h create mode 100644 sha256-asm.S create mode 100644 sha256-asm.h create mode 100644 sha256.c create mode 100644 sha256.h create mode 100644 uart.c create mode 100644 uart.h create mode 100644 xtea-asm.S create mode 100644 xtea.c create mode 100644 xtea.h diff --git a/A5_1.c b/A5_1.c new file mode 100644 index 0000000..6e64078 --- /dev/null +++ b/A5_1.c @@ -0,0 +1,59 @@ +/* + * File: A5_1.c + * Author: Daniel Otte + * Date: 24.06.2006 + * License: GPL + * Description: Implementation of the A5/1 stream cipher algorithm, as used in GSM. + * ! Warning, this is weak crypto ! + * + */ + +#include +#include "A5_1.h" + +/* + * length is length of key in bytes! + */ +#define BYTEn(p,s) (*(((uint8_t*)&(p))+s)) + +void a5_1_init(a5_1_ctx_t *c, uint8_t *key, uint8_t length); + +bool a5_1_clock(a5_1_ctx_t *c){ + bool x1,x2,x3, maj; + x1 = PARITY_LOOKUP & (1<< ((BYTEn(c->r1,2)+BYTEn(c->r1,1)>>5) & 0x7); + x2 = PARITY_LOOKUP & (1<< (BYTEn(c->r2,2)>>4)); + x3 = PARITY_LLOKUP & (1<< ((BYTEn(c->r3,2)>>4+BYTEn(c->r3,0)>>7) & 0x7)); + maj = (((c->r1 & (1<r2 & (1<r3 & (1<=2; + if (((c->r1 & (1<>R1_CLK) == maj) + c->r1 = c->r1<<1 + x1; + if (((c->r2 & (1<>R2_CLK) == maj) + c->r2 = c->r2<<1 + x2; + if (((c->r3 & (1<>R3_CLK) == maj) + c->r3 = c->r3<<1 + x3; + + return ((c->r1)>>(R1_LENGTH-1)+(c->r2)>>(R2_LENGTH-1)+(c->r3)>>(R3_LENGTH-1))&0x1; +} + +uint8_t a5_1_gen(a5_ 1_ctx_t *c){ + uint8_t ret=0; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + ret <<= 1; + ret = a5_1_clock(c); + return ret; +} + + + + diff --git a/A5_1.h b/A5_1.h new file mode 100644 index 0000000..8803198 --- /dev/null +++ b/A5_1.h @@ -0,0 +1,46 @@ +/* + * File: A5_1.h + * Author: Daniel Otte + * Date: 24.06.2006 + * License: GPL + * Description: Implementation of the A5/1 stream cipher algorithm, as used in GSM. + * ! Warning, this is weak crypto ! + * + */ +#ifndef A5_1_H_ +#define A5_1_H_ + +#include + +#define R1_LENGTH 19 +#define R2_LENGTH 22 +#define R3_LENGTH 23 +#define R1_CLK 11 +#define R2_CLK 12 +#define R3_CLK 13 + +/* 3-Bit word parity lookup table (Byte) + * 0: 0 + * 1: 1 + * 2: 1 + * 3: 0 + * 4: 1 + * 5: 0 + * 6: 0 + * 7: 1 + * => 1001.0110 = 0x96 + * + */ + +#define PARITY_LOOKUP 0x96 + +typedef struct { + uint32_t r1,r2,r3; /* the three regs, 19,22,23 bit in length */ +} a5_1_ctx_t; + + +void a5_1_init(a5_1_ctx_t *c, uint8_t *key, uint8_t length); +bool a5_1_clock(a5_1_ctx_t *c); +uint8_t a5_1_gen(a5_ 1_ctx_t *c); + +#endif diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..89f8913 --- /dev/null +++ b/Makefile @@ -0,0 +1,92 @@ +PRG = cast5 +# cryptotest +OBJ = main-cast5-test.o debug.o uart.o serial-tools.o cast5.o +# main.o debug.o uart.o serial-tools.o sha256-asm.o xtea-asm.o arcfour-asm.o prng.o cast5.o +MCU_TARGET = atmega32 +OPTIMIZE = -Os + +DEFS = +LIBS = + +# You should not have to change anything below here. + +CC = avr-gcc + +# Override is only needed by avr-lib build system. + +override CFLAGS = -Wall -Wstrict-prototypes $(OPTIMIZE) -mmcu=$(MCU_TARGET) +$(DEFS) +override LDFLAGS = -Wl,-Map,$(PRG).map +override ASFLAGS = -mmcu=$(MCU_TARGET) + +OBJCOPY = avr-objcopy +OBJDUMP = avr-objdump + +all: $(PRG).elf lst text eeprom + +$(PRG).elf: $(OBJ) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) + +clean: + rm -rf *.o $(PRG).elf *.eps *.png *.pdf *.bak + rm -rf *.lst *.map $(EXTRA_CLEAN_FILES) + +lst: $(PRG).lst + +%.lst: %.elf + $(OBJDUMP) -h -S $< > $@ + +# Rules for building the .text rom images + +text: hex bin srec + +hex: $(PRG).hex +bin: $(PRG).bin +srec: $(PRG).srec + +%.hex: %.elf + $(OBJCOPY) -j .text -j .data -O ihex $< $@ + +%.srec: %.elf + $(OBJCOPY) -j .text -j .data -O srec $< $@ + +%.bin: %.elf + $(OBJCOPY) -j .text -j .data -O binary $< $@ + +# Rules for building the .eeprom rom images + +eeprom: ehex ebin esrec + +ehex: $(PRG)_eeprom.hex +ebin: $(PRG)_eeprom.bin +esrec: $(PRG)_eeprom.srec + +%_eeprom.hex: %.elf + $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@ + +%_eeprom.srec: %.elf + $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@ + +%_eeprom.bin: %.elf + $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@ + +# Every thing below here is used by avr-libc's build system and can be ignored +# by the casual user. + +FIG2DEV = fig2dev +EXTRA_CLEAN_FILES = *.hex *.bin *.srec + +dox: eps png pdf + +eps: $(PRG).eps +png: $(PRG).png +pdf: $(PRG).pdf + +%.eps: %.fig + $(FIG2DEV) -L eps $< $@ + +%.pdf: %.fig + $(FIG2DEV) -L pdf $< $@ + +%.png: %.fig + $(FIG2DEV) -L png $< $@ diff --git a/arcfour-asm.S b/arcfour-asm.S new file mode 100644 index 0000000..78d0491 --- /dev/null +++ b/arcfour-asm.S @@ -0,0 +1,122 @@ +/* + * File: arcfour-asm.S + * Author: Daniel Otte + * Date: 07.06.2006 + * License: GPL + * Description: Implementation of the ARCFOUR (RC4 compatible) stream cipher algorithm. + * + */ + + /* +---+---+---------------------+ + * | i | j | ......<256>........ | + * +---+---+---------------------+ + */ + +.global arcfour_init + +;== arcfour_init == +; this function initialises the context +; param1: 16-bit pointer to a ctx struct +; given in r25,r24 +; param2: 16-bit pointer to a key +; given in r23,r22 +; param1: 8-bit integer indicating keylength in byte +; given in r20 + +arcfour_init: + push r29 + push r28 + push r2 + + movw r26, r24 /* X points to ctx */ + movw r30, r22 /* Z points to key */ + st X+, r1 + st X+, r1 /* X points to S */ + +1: + st X+, r1 + inc r1 + brne 1b + + adiw r24, 2 /* r24:r25 points to S */ + clr r21 /* r21 is j */ + mov r18, r20 /* r18 is keyindex counter */ + clr r0 +2: + movw r26, r24 + ld r19, Z+ + add r21, r19 /* j+= key[i%length] */ + + add r26, r1 + adc r27, r0 + ld r19, X + add r21, r19 /* j += S[i] */ + + dec r18 /* check the key-index counter */ + brne 3f + movw r30, r22 + mov r18, r20 +3: /* now swap(S[i], S[j]) */ /* r19 is still S[i] */ + movw r28, r24 + add r28, r21 + adc r29, r0 /* Y points to S[j]*/ + ld r2, Y + st Y, r19 + st X, r2 + inc r1 + brne 2b + + pop r2 + pop r28 + pop r29 + ret + +/* +uint8_t arcfour_gen(arcfour_ctx_t *c){ + uint8_t t; + c->i++; + c->j += c->s[c->i]; + t = c->s[c->j]; + c->s[c->j] = c->s[c->i]; + c->s[c->i] = t; + return c->s[(c->s[c->j] + c->s[c->i]) & 0xff]; +} +*/ +.global arcfour_gen + +;== arcfour_gen == +; this function initialises the context +; param1: 16-bit pointer to a ctx struct +; given in r25,r24 + +arcfour_gen: + movw r26, r24 + ld r18, X + inc r18 + st X+, r18 + movw r30, r26 + ld r19, X+ + add r26, r18 + adc r27, r1 + ld r20, X + add r19, r20 + st Z+, r19 /* i,j loaded&saved; X->S[i]; Z->S[0]; r20=S[i] */ + add r30, r19 + adc r31, r1 + ld r21, Z /* X->S[i]; Z->S[j]; r20=S[i]; r21=S[j]*/ + st Z, r20 + st X, r21 + add r20, r21 + adiw r24, 2 + movw r26, r24 /* X and Z point to S */ + add r26, r20 + adc r27, r1 + ld r24, X + clr r25 + ret + + + + + + diff --git a/arcfour.c b/arcfour.c new file mode 100644 index 0000000..863b7ac --- /dev/null +++ b/arcfour.c @@ -0,0 +1,43 @@ +/* + * File: arcfour.c + * Author: Daniel Otte + * Date: 07.06.2006 + * License: GPL + * Description: Implementation of the ARCFOUR (RC4 compatible) stream cipher algorithm. + * + */ + +#include +#include "arcfour.h" + +/* + * length is length of key in bytes! + */ + +void arcfour_init(arcfour_ctx_t *c, uint8_t *key, uint8_t length){ + uint8_t t; + unsigned x,y=0; + for(x=0; x<= 255; ++x) + c->s[x]=x; + + for(x=0; x<= 255; ++x){ + y += c->s[x] + key[x % length]; + y &= 0xff; + t = c->s[y]; + c->s[y] = c->s[x]; + c->s[x] = t; + }; + + c->i = c->j = 0; +} + +uint8_t arcfour_gen(arcfour_ctx_t *c){ + uint8_t t; + c->i++; + c->j += c->s[c->i]; + t = c->s[c->j]; + c->s[c->j] = c->s[c->i]; + c->s[c->i] = t; + return c->s[(c->s[c->j] + c->s[c->i]) & 0xff]; +} + diff --git a/arcfour.h b/arcfour.h new file mode 100644 index 0000000..f73dd40 --- /dev/null +++ b/arcfour.h @@ -0,0 +1,23 @@ +/* + * File: arcfour.h + * Author: Daniel Otte + * Date: 07.06.2006 + * License: GPL + * Description: Implementation of the ARCFOUR (RC4 compatible) stream cipher algorithm. + * + */ +#ifndef ARCFOUR_H_ +#define ARCFOUR_H_ + +#include + +typedef struct { + uint8_t i,j; + uint8_t s[256]; +} arcfour_ctx_t; + + +void arcfour_init(arcfour_ctx_t *c, uint8_t *key, uint8_t length); +uint8_t arcfour_gen(arcfour_ctx_t *c); + +#endif diff --git a/cast5-sbox.h b/cast5-sbox.h new file mode 100644 index 0000000..b59489e --- /dev/null +++ b/cast5-sbox.h @@ -0,0 +1,583 @@ +/* + * File: cast5-sbox.h + * Author: Daniel Otte + * Date: 26.07.2006 + * License: GPL + * Description: sboxes for CAST5 (aka CAST-128) cipher algorithm as described in RFC 2144. + * + */ + +#ifndef CAST5_SBOX_H_ +#define CAST5_SBOX_H_ + +#include +#include + +#ifndef BIG_ENDIAN + +uint32_t s1[] PROGMEM = { +0x30fb40d4UL, 0x9fa0ff0bUL, 0x6beccd2fUL, 0x3f258c7aUL, 0x1e213f2fUL, 0x9c004dd3UL, 0x6003e540UL, 0xcf9fc949UL, +0xbfd4af27UL, 0x88bbbdb5UL, 0xe2034090UL, 0x98d09675UL, 0x6e63a0e0UL, 0x15c361d2UL, 0xc2e7661dUL, 0x22d4ff8eUL, +0x28683b6fUL, 0xc07fd059UL, 0xff2379c8UL, 0x775f50e2UL, 0x43c340d3UL, 0xdf2f8656UL, 0x887ca41aUL, 0xa2d2bd2dUL, +0xa1c9e0d6UL, 0x346c4819UL, 0x61b76d87UL, 0x22540f2fUL, 0x2abe32e1UL, 0xaa54166bUL, 0x22568e3aUL, 0xa2d341d0UL, +0x66db40c8UL, 0xa784392fUL, 0x004dff2fUL, 0x2db9d2deUL, 0x97943facUL, 0x4a97c1d8UL, 0x527644b7UL, 0xb5f437a7UL, +0xb82cbaefUL, 0xd751d159UL, 0x6ff7f0edUL, 0x5a097a1fUL, 0x827b68d0UL, 0x90ecf52eUL, 0x22b0c054UL, 0xbc8e5935UL, +0x4b6d2f7fUL, 0x50bb64a2UL, 0xd2664910UL, 0xbee5812dUL, 0xb7332290UL, 0xe93b159fUL, 0xb48ee411UL, 0x4bff345dUL, +0xfd45c240UL, 0xad31973fUL, 0xc4f6d02eUL, 0x55fc8165UL, 0xd5b1caadUL, 0xa1ac2daeUL, 0xa2d4b76dUL, 0xc19b0c50UL, +0x882240f2UL, 0x0c6e4f38UL, 0xa4e4bfd7UL, 0x4f5ba272UL, 0x564c1d2fUL, 0xc59c5319UL, 0xb949e354UL, 0xb04669feUL, +0xb1b6ab8aUL, 0xc71358ddUL, 0x6385c545UL, 0x110f935dUL, 0x57538ad5UL, 0x6a390493UL, 0xe63d37e0UL, 0x2a54f6b3UL, +0x3a787d5fUL, 0x6276a0b5UL, 0x19a6fcdfUL, 0x7a42206aUL, 0x29f9d4d5UL, 0xf61b1891UL, 0xbb72275eUL, 0xaa508167UL, +0x38901091UL, 0xc6b505ebUL, 0x84c7cb8cUL, 0x2ad75a0fUL, 0x874a1427UL, 0xa2d1936bUL, 0x2ad286afUL, 0xaa56d291UL, +0xd7894360UL, 0x425c750dUL, 0x93b39e26UL, 0x187184c9UL, 0x6c00b32dUL, 0x73e2bb14UL, 0xa0bebc3cUL, 0x54623779UL, +0x64459eabUL, 0x3f328b82UL, 0x7718cf82UL, 0x59a2cea6UL, 0x04ee002eUL, 0x89fe78e6UL, 0x3fab0950UL, 0x325ff6c2UL, +0x81383f05UL, 0x6963c5c8UL, 0x76cb5ad6UL, 0xd49974c9UL, 0xca180dcfUL, 0x380782d5UL, 0xc7fa5cf6UL, 0x8ac31511UL, +0x35e79e13UL, 0x47da91d0UL, 0xf40f9086UL, 0xa7e2419eUL, 0x31366241UL, 0x051ef495UL, 0xaa573b04UL, 0x4a805d8dUL, +0x548300d0UL, 0x00322a3cUL, 0xbf64cddfUL, 0xba57a68eUL, 0x75c6372bUL, 0x50afd341UL, 0xa7c13275UL, 0x915a0bf5UL, +0x6b54bfabUL, 0x2b0b1426UL, 0xab4cc9d7UL, 0x449ccd82UL, 0xf7fbf265UL, 0xab85c5f3UL, 0x1b55db94UL, 0xaad4e324UL, +0xcfa4bd3fUL, 0x2deaa3e2UL, 0x9e204d02UL, 0xc8bd25acUL, 0xeadf55b3UL, 0xd5bd9e98UL, 0xe31231b2UL, 0x2ad5ad6cUL, +0x954329deUL, 0xadbe4528UL, 0xd8710f69UL, 0xaa51c90fUL, 0xaa786bf6UL, 0x22513f1eUL, 0xaa51a79bUL, 0x2ad344ccUL, +0x7b5a41f0UL, 0xd37cfbadUL, 0x1b069505UL, 0x41ece491UL, 0xb4c332e6UL, 0x032268d4UL, 0xc9600accUL, 0xce387e6dUL, +0xbf6bb16cUL, 0x6a70fb78UL, 0x0d03d9c9UL, 0xd4df39deUL, 0xe01063daUL, 0x4736f464UL, 0x5ad328d8UL, 0xb347cc96UL, +0x75bb0fc3UL, 0x98511bfbUL, 0x4ffbcc35UL, 0xb58bcf6aUL, 0xe11f0abcUL, 0xbfc5fe4aUL, 0xa70aec10UL, 0xac39570aUL, +0x3f04442fUL, 0x6188b153UL, 0xe0397a2eUL, 0x5727cb79UL, 0x9ceb418fUL, 0x1cacd68dUL, 0x2ad37c96UL, 0x0175cb9dUL, +0xc69dff09UL, 0xc75b65f0UL, 0xd9db40d8UL, 0xec0e7779UL, 0x4744ead4UL, 0xb11c3274UL, 0xdd24cb9eUL, 0x7e1c54bdUL, +0xf01144f9UL, 0xd2240eb1UL, 0x9675b3fdUL, 0xa3ac3755UL, 0xd47c27afUL, 0x51c85f4dUL, 0x56907596UL, 0xa5bb15e6UL, +0x580304f0UL, 0xca042cf1UL, 0x011a37eaUL, 0x8dbfaadbUL, 0x35ba3e4aUL, 0x3526ffa0UL, 0xc37b4d09UL, 0xbc306ed9UL, +0x98a52666UL, 0x5648f725UL, 0xff5e569dUL, 0x0ced63d0UL, 0x7c63b2cfUL, 0x700b45e1UL, 0xd5ea50f1UL, 0x85a92872UL, +0xaf1fbda7UL, 0xd4234870UL, 0xa7870bf3UL, 0x2d3b4d79UL, 0x42e04198UL, 0x0cd0ede7UL, 0x26470db8UL, 0xf881814cUL, +0x474d6ad7UL, 0x7c0c5e5cUL, 0xd1231959UL, 0x381b7298UL, 0xf5d2f4dbUL, 0xab838653UL, 0x6e2f1e23UL, 0x83719c9eUL, +0xbd91e046UL, 0x9a56456eUL, 0xdc39200cUL, 0x20c8c571UL, 0x962bda1cUL, 0xe1e696ffUL, 0xb141ab08UL, 0x7cca89b9UL, +0x1a69e783UL, 0x02cc4843UL, 0xa2f7c579UL, 0x429ef47dUL, 0x427b169cUL, 0x5ac9f049UL, 0xdd8f0f00UL, 0x5c8165bfUL}; + +uint32_t s2[] PROGMEM = { +0x1f201094UL, 0xef0ba75bUL, 0x69e3cf7eUL, 0x393f4380UL, 0xfe61cf7aUL, 0xeec5207aUL, 0x55889c94UL, 0x72fc0651UL, +0xada7ef79UL, 0x4e1d7235UL, 0xd55a63ceUL, 0xde0436baUL, 0x99c430efUL, 0x5f0c0794UL, 0x18dcdb7dUL, 0xa1d6eff3UL, +0xa0b52f7bUL, 0x59e83605UL, 0xee15b094UL, 0xe9ffd909UL, 0xdc440086UL, 0xef944459UL, 0xba83ccb3UL, 0xe0c3cdfbUL, +0xd1da4181UL, 0x3b092ab1UL, 0xf997f1c1UL, 0xa5e6cf7bUL, 0x01420ddbUL, 0xe4e7ef5bUL, 0x25a1ff41UL, 0xe180f806UL, +0x1fc41080UL, 0x179bee7aUL, 0xd37ac6a9UL, 0xfe5830a4UL, 0x98de8b7fUL, 0x77e83f4eUL, 0x79929269UL, 0x24fa9f7bUL, +0xe113c85bUL, 0xacc40083UL, 0xd7503525UL, 0xf7ea615fUL, 0x62143154UL, 0x0d554b63UL, 0x5d681121UL, 0xc866c359UL, +0x3d63cf73UL, 0xcee234c0UL, 0xd4d87e87UL, 0x5c672b21UL, 0x071f6181UL, 0x39f7627fUL, 0x361e3084UL, 0xe4eb573bUL, +0x602f64a4UL, 0xd63acd9cUL, 0x1bbc4635UL, 0x9e81032dUL, 0x2701f50cUL, 0x99847ab4UL, 0xa0e3df79UL, 0xba6cf38cUL, +0x10843094UL, 0x2537a95eUL, 0xf46f6ffeUL, 0xa1ff3b1fUL, 0x208cfb6aUL, 0x8f458c74UL, 0xd9e0a227UL, 0x4ec73a34UL, +0xfc884f69UL, 0x3e4de8dfUL, 0xef0e0088UL, 0x3559648dUL, 0x8a45388cUL, 0x1d804366UL, 0x721d9bfdUL, 0xa58684bbUL, +0xe8256333UL, 0x844e8212UL, 0x128d8098UL, 0xfed33fb4UL, 0xce280ae1UL, 0x27e19ba5UL, 0xd5a6c252UL, 0xe49754bdUL, +0xc5d655ddUL, 0xeb667064UL, 0x77840b4dUL, 0xa1b6a801UL, 0x84db26a9UL, 0xe0b56714UL, 0x21f043b7UL, 0xe5d05860UL, +0x54f03084UL, 0x066ff472UL, 0xa31aa153UL, 0xdadc4755UL, 0xb5625dbfUL, 0x68561be6UL, 0x83ca6b94UL, 0x2d6ed23bUL, +0xeccf01dbUL, 0xa6d3d0baUL, 0xb6803d5cUL, 0xaf77a709UL, 0x33b4a34cUL, 0x397bc8d6UL, 0x5ee22b95UL, 0x5f0e5304UL, +0x81ed6f61UL, 0x20e74364UL, 0xb45e1378UL, 0xde18639bUL, 0x881ca122UL, 0xb96726d1UL, 0x8049a7e8UL, 0x22b7da7bUL, +0x5e552d25UL, 0x5272d237UL, 0x79d2951cUL, 0xc60d894cUL, 0x488cb402UL, 0x1ba4fe5bUL, 0xa4b09f6bUL, 0x1ca815cfUL, +0xa20c3005UL, 0x8871df63UL, 0xb9de2fcbUL, 0x0cc6c9e9UL, 0x0beeff53UL, 0xe3214517UL, 0xb4542835UL, 0x9f63293cUL, +0xee41e729UL, 0x6e1d2d7cUL, 0x50045286UL, 0x1e6685f3UL, 0xf33401c6UL, 0x30a22c95UL, 0x31a70850UL, 0x60930f13UL, +0x73f98417UL, 0xa1269859UL, 0xec645c44UL, 0x52c877a9UL, 0xcdff33a6UL, 0xa02b1741UL, 0x7cbad9a2UL, 0x2180036fUL, +0x50d99c08UL, 0xcb3f4861UL, 0xc26bd765UL, 0x64a3f6abUL, 0x80342676UL, 0x25a75e7bUL, 0xe4e6d1fcUL, 0x20c710e6UL, +0xcdf0b680UL, 0x17844d3bUL, 0x31eef84dUL, 0x7e0824e4UL, 0x2ccb49ebUL, 0x846a3baeUL, 0x8ff77888UL, 0xee5d60f6UL, +0x7af75673UL, 0x2fdd5cdbUL, 0xa11631c1UL, 0x30f66f43UL, 0xb3faec54UL, 0x157fd7faUL, 0xef8579ccUL, 0xd152de58UL, +0xdb2ffd5eUL, 0x8f32ce19UL, 0x306af97aUL, 0x02f03ef8UL, 0x99319ad5UL, 0xc242fa0fUL, 0xa7e3ebb0UL, 0xc68e4906UL, +0xb8da230cUL, 0x80823028UL, 0xdcdef3c8UL, 0xd35fb171UL, 0x088a1bc8UL, 0xbec0c560UL, 0x61a3c9e8UL, 0xbca8f54dUL, +0xc72feffaUL, 0x22822e99UL, 0x82c570b4UL, 0xd8d94e89UL, 0x8b1c34bcUL, 0x301e16e6UL, 0x273be979UL, 0xb0ffeaa6UL, +0x61d9b8c6UL, 0x00b24869UL, 0xb7ffce3fUL, 0x08dc283bUL, 0x43daf65aUL, 0xf7e19798UL, 0x7619b72fUL, 0x8f1c9ba4UL, +0xdc8637a0UL, 0x16a7d3b1UL, 0x9fc393b7UL, 0xa7136eebUL, 0xc6bcc63eUL, 0x1a513742UL, 0xef6828bcUL, 0x520365d6UL, +0x2d6a77abUL, 0x3527ed4bUL, 0x821fd216UL, 0x095c6e2eUL, 0xdb92f2fbUL, 0x5eea29cbUL, 0x145892f5UL, 0x91584f7fUL, +0x5483697bUL, 0x2667a8ccUL, 0x85196048UL, 0x8c4baceaUL, 0x833860d4UL, 0x0d23e0f9UL, 0x6c387e8aUL, 0x0ae6d249UL, +0xb284600cUL, 0xd835731dUL, 0xdcb1c647UL, 0xac4c56eaUL, 0x3ebd81b3UL, 0x230eabb0UL, 0x6438bc87UL, 0xf0b5b1faUL, +0x8f5ea2b3UL, 0xfc184642UL, 0x0a036b7aUL, 0x4fb089bdUL, 0x649da589UL, 0xa345415eUL, 0x5c038323UL, 0x3e5d3bb9UL, +0x43d79572UL, 0x7e6dd07cUL, 0x06dfdf1eUL, 0x6c6cc4efUL, 0x7160a539UL, 0x73bfbe70UL, 0x83877605UL, 0x4523ecf1UL}; + +uint32_t s3[] PROGMEM = { +0x8defc240UL, 0x25fa5d9fUL, 0xeb903dbfUL, 0xe810c907UL, 0x47607fffUL, 0x369fe44bUL, 0x8c1fc644UL, 0xaececa90UL, +0xbeb1f9bfUL, 0xeefbcaeaUL, 0xe8cf1950UL, 0x51df07aeUL, 0x920e8806UL, 0xf0ad0548UL, 0xe13c8d83UL, 0x927010d5UL, +0x11107d9fUL, 0x07647db9UL, 0xb2e3e4d4UL, 0x3d4f285eUL, 0xb9afa820UL, 0xfade82e0UL, 0xa067268bUL, 0x8272792eUL, +0x553fb2c0UL, 0x489ae22bUL, 0xd4ef9794UL, 0x125e3fbcUL, 0x21fffceeUL, 0x825b1bfdUL, 0x9255c5edUL, 0x1257a240UL, +0x4e1a8302UL, 0xbae07fffUL, 0x528246e7UL, 0x8e57140eUL, 0x3373f7bfUL, 0x8c9f8188UL, 0xa6fc4ee8UL, 0xc982b5a5UL, +0xa8c01db7UL, 0x579fc264UL, 0x67094f31UL, 0xf2bd3f5fUL, 0x40fff7c1UL, 0x1fb78dfcUL, 0x8e6bd2c1UL, 0x437be59bUL, +0x99b03dbfUL, 0xb5dbc64bUL, 0x638dc0e6UL, 0x55819d99UL, 0xa197c81cUL, 0x4a012d6eUL, 0xc5884a28UL, 0xccc36f71UL, +0xb843c213UL, 0x6c0743f1UL, 0x8309893cUL, 0x0feddd5fUL, 0x2f7fe850UL, 0xd7c07f7eUL, 0x02507fbfUL, 0x5afb9a04UL, +0xa747d2d0UL, 0x1651192eUL, 0xaf70bf3eUL, 0x58c31380UL, 0x5f98302eUL, 0x727cc3c4UL, 0x0a0fb402UL, 0x0f7fef82UL, +0x8c96fdadUL, 0x5d2c2aaeUL, 0x8ee99a49UL, 0x50da88b8UL, 0x8427f4a0UL, 0x1eac5790UL, 0x796fb449UL, 0x8252dc15UL, +0xefbd7d9bUL, 0xa672597dUL, 0xada840d8UL, 0x45f54504UL, 0xfa5d7403UL, 0xe83ec305UL, 0x4f91751aUL, 0x925669c2UL, +0x23efe941UL, 0xa903f12eUL, 0x60270df2UL, 0x0276e4b6UL, 0x94fd6574UL, 0x927985b2UL, 0x8276dbcbUL, 0x02778176UL, +0xf8af918dUL, 0x4e48f79eUL, 0x8f616ddfUL, 0xe29d840eUL, 0x842f7d83UL, 0x340ce5c8UL, 0x96bbb682UL, 0x93b4b148UL, +0xef303cabUL, 0x984faf28UL, 0x779faf9bUL, 0x92dc560dUL, 0x224d1e20UL, 0x8437aa88UL, 0x7d29dc96UL, 0x2756d3dcUL, +0x8b907ceeUL, 0xb51fd240UL, 0xe7c07ce3UL, 0xe566b4a1UL, 0xc3e9615eUL, 0x3cf8209dUL, 0x6094d1e3UL, 0xcd9ca341UL, +0x5c76460eUL, 0x00ea983bUL, 0xd4d67881UL, 0xfd47572cUL, 0xf76cedd9UL, 0xbda8229cUL, 0x127dadaaUL, 0x438a074eUL, +0x1f97c090UL, 0x081bdb8aUL, 0x93a07ebeUL, 0xb938ca15UL, 0x97b03cffUL, 0x3dc2c0f8UL, 0x8d1ab2ecUL, 0x64380e51UL, +0x68cc7bfbUL, 0xd90f2788UL, 0x12490181UL, 0x5de5ffd4UL, 0xdd7ef86aUL, 0x76a2e214UL, 0xb9a40368UL, 0x925d958fUL, +0x4b39fffaUL, 0xba39aee9UL, 0xa4ffd30bUL, 0xfaf7933bUL, 0x6d498623UL, 0x193cbcfaUL, 0x27627545UL, 0x825cf47aUL, +0x61bd8ba0UL, 0xd11e42d1UL, 0xcead04f4UL, 0x127ea392UL, 0x10428db7UL, 0x8272a972UL, 0x9270c4a8UL, 0x127de50bUL, +0x285ba1c8UL, 0x3c62f44fUL, 0x35c0eaa5UL, 0xe805d231UL, 0x428929fbUL, 0xb4fcdf82UL, 0x4fb66a53UL, 0x0e7dc15bUL, +0x1f081fabUL, 0x108618aeUL, 0xfcfd086dUL, 0xf9ff2889UL, 0x694bcc11UL, 0x236a5caeUL, 0x12deca4dUL, 0x2c3f8cc5UL, +0xd2d02dfeUL, 0xf8ef5896UL, 0xe4cf52daUL, 0x95155b67UL, 0x494a488cUL, 0xb9b6a80cUL, 0x5c8f82bcUL, 0x89d36b45UL, +0x3a609437UL, 0xec00c9a9UL, 0x44715253UL, 0x0a874b49UL, 0xd773bc40UL, 0x7c34671cUL, 0x02717ef6UL, 0x4feb5536UL, +0xa2d02fffUL, 0xd2bf60c4UL, 0xd43f03c0UL, 0x50b4ef6dUL, 0x07478cd1UL, 0x006e1888UL, 0xa2e53f55UL, 0xb9e6d4bcUL, +0xa2048016UL, 0x97573833UL, 0xd7207d67UL, 0xde0f8f3dUL, 0x72f87b33UL, 0xabcc4f33UL, 0x7688c55dUL, 0x7b00a6b0UL, +0x947b0001UL, 0x570075d2UL, 0xf9bb88f8UL, 0x8942019eUL, 0x4264a5ffUL, 0x856302e0UL, 0x72dbd92bUL, 0xee971b69UL, +0x6ea22fdeUL, 0x5f08ae2bUL, 0xaf7a616dUL, 0xe5c98767UL, 0xcf1febd2UL, 0x61efc8c2UL, 0xf1ac2571UL, 0xcc8239c2UL, +0x67214cb8UL, 0xb1e583d1UL, 0xb7dc3e62UL, 0x7f10bdceUL, 0xf90a5c38UL, 0x0ff0443dUL, 0x606e6dc6UL, 0x60543a49UL, +0x5727c148UL, 0x2be98a1dUL, 0x8ab41738UL, 0x20e1be24UL, 0xaf96da0fUL, 0x68458425UL, 0x99833be5UL, 0x600d457dUL, +0x282f9350UL, 0x8334b362UL, 0xd91d1120UL, 0x2b6d8da0UL, 0x642b1e31UL, 0x9c305a00UL, 0x52bce688UL, 0x1b03588aUL, +0xf7baefd5UL, 0x4142ed9cUL, 0xa4315c11UL, 0x83323ec5UL, 0xdfef4636UL, 0xa133c501UL, 0xe9d3531cUL, 0xee353783UL}; + +uint32_t s4[] PROGMEM = { +0x9db30420UL, 0x1fb6e9deUL, 0xa7be7befUL, 0xd273a298UL, 0x4a4f7bdbUL, 0x64ad8c57UL, 0x85510443UL, 0xfa020ed1UL, +0x7e287affUL, 0xe60fb663UL, 0x095f35a1UL, 0x79ebf120UL, 0xfd059d43UL, 0x6497b7b1UL, 0xf3641f63UL, 0x241e4adfUL, +0x28147f5fUL, 0x4fa2b8cdUL, 0xc9430040UL, 0x0cc32220UL, 0xfdd30b30UL, 0xc0a5374fUL, 0x1d2d00d9UL, 0x24147b15UL, +0xee4d111aUL, 0x0fca5167UL, 0x71ff904cUL, 0x2d195ffeUL, 0x1a05645fUL, 0x0c13fefeUL, 0x081b08caUL, 0x05170121UL, +0x80530100UL, 0xe83e5efeUL, 0xac9af4f8UL, 0x7fe72701UL, 0xd2b8ee5fUL, 0x06df4261UL, 0xbb9e9b8aUL, 0x7293ea25UL, +0xce84ffdfUL, 0xf5718801UL, 0x3dd64b04UL, 0xa26f263bUL, 0x7ed48400UL, 0x547eebe6UL, 0x446d4ca0UL, 0x6cf3d6f5UL, +0x2649abdfUL, 0xaea0c7f5UL, 0x36338cc1UL, 0x503f7e93UL, 0xd3772061UL, 0x11b638e1UL, 0x72500e03UL, 0xf80eb2bbUL, +0xabe0502eUL, 0xec8d77deUL, 0x57971e81UL, 0xe14f6746UL, 0xc9335400UL, 0x6920318fUL, 0x081dbb99UL, 0xffc304a5UL, +0x4d351805UL, 0x7f3d5ce3UL, 0xa6c866c6UL, 0x5d5bcca9UL, 0xdaec6feaUL, 0x9f926f91UL, 0x9f46222fUL, 0x3991467dUL, +0xa5bf6d8eUL, 0x1143c44fUL, 0x43958302UL, 0xd0214eebUL, 0x022083b8UL, 0x3fb6180cUL, 0x18f8931eUL, 0x281658e6UL, +0x26486e3eUL, 0x8bd78a70UL, 0x7477e4c1UL, 0xb506e07cUL, 0xf32d0a25UL, 0x79098b02UL, 0xe4eabb81UL, 0x28123b23UL, +0x69dead38UL, 0x1574ca16UL, 0xdf871b62UL, 0x211c40b7UL, 0xa51a9ef9UL, 0x0014377bUL, 0x041e8ac8UL, 0x09114003UL, +0xbd59e4d2UL, 0xe3d156d5UL, 0x4fe876d5UL, 0x2f91a340UL, 0x557be8deUL, 0x00eae4a7UL, 0x0ce5c2ecUL, 0x4db4bba6UL, +0xe756bdffUL, 0xdd3369acUL, 0xec17b035UL, 0x06572327UL, 0x99afc8b0UL, 0x56c8c391UL, 0x6b65811cUL, 0x5e146119UL, +0x6e85cb75UL, 0xbe07c002UL, 0xc2325577UL, 0x893ff4ecUL, 0x5bbfc92dUL, 0xd0ec3b25UL, 0xb7801ab7UL, 0x8d6d3b24UL, +0x20c763efUL, 0xc366a5fcUL, 0x9c382880UL, 0x0ace3205UL, 0xaac9548aUL, 0xeca1d7c7UL, 0x041afa32UL, 0x1d16625aUL, +0x6701902cUL, 0x9b757a54UL, 0x31d477f7UL, 0x9126b031UL, 0x36cc6fdbUL, 0xc70b8b46UL, 0xd9e66a48UL, 0x56e55a79UL, +0x026a4cebUL, 0x52437effUL, 0x2f8f76b4UL, 0x0df980a5UL, 0x8674cde3UL, 0xedda04ebUL, 0x17a9be04UL, 0x2c18f4dfUL, +0xb7747f9dUL, 0xab2af7b4UL, 0xefc34d20UL, 0x2e096b7cUL, 0x1741a254UL, 0xe5b6a035UL, 0x213d42f6UL, 0x2c1c7c26UL, +0x61c2f50fUL, 0x6552daf9UL, 0xd2c231f8UL, 0x25130f69UL, 0xd8167fa2UL, 0x0418f2c8UL, 0x001a96a6UL, 0x0d1526abUL, +0x63315c21UL, 0x5e0a72ecUL, 0x49bafefdUL, 0x187908d9UL, 0x8d0dbd86UL, 0x311170a7UL, 0x3e9b640cUL, 0xcc3e10d7UL, +0xd5cad3b6UL, 0x0caec388UL, 0xf73001e1UL, 0x6c728affUL, 0x71eae2a1UL, 0x1f9af36eUL, 0xcfcbd12fUL, 0xc1de8417UL, +0xac07be6bUL, 0xcb44a1d8UL, 0x8b9b0f56UL, 0x013988c3UL, 0xb1c52fcaUL, 0xb4be31cdUL, 0xd8782806UL, 0x12a3a4e2UL, +0x6f7de532UL, 0x58fd7eb6UL, 0xd01ee900UL, 0x24adffc2UL, 0xf4990fc5UL, 0x9711aac5UL, 0x001d7b95UL, 0x82e5e7d2UL, +0x109873f6UL, 0x00613096UL, 0xc32d9521UL, 0xada121ffUL, 0x29908415UL, 0x7fbb977fUL, 0xaf9eb3dbUL, 0x29c9ed2aUL, +0x5ce2a465UL, 0xa730f32cUL, 0xd0aa3fe8UL, 0x8a5cc091UL, 0xd49e2ce7UL, 0x0ce454a9UL, 0xd60acd86UL, 0x015f1919UL, +0x77079103UL, 0xdea03af6UL, 0x78a8565eUL, 0xdee356dfUL, 0x21f05cbeUL, 0x8b75e387UL, 0xb3c50651UL, 0xb8a5c3efUL, +0xd8eeb6d2UL, 0xe523be77UL, 0xc2154529UL, 0x2f69efdfUL, 0xafe67afbUL, 0xf470c4b2UL, 0xf3e0eb5bUL, 0xd6cc9876UL, +0x39e4460cUL, 0x1fda8538UL, 0x1987832fUL, 0xca007367UL, 0xa99144f8UL, 0x296b299eUL, 0x492fc295UL, 0x9266beabUL, +0xb5676e69UL, 0x9bd3dddaUL, 0xdf7e052fUL, 0xdb25701cUL, 0x1b5e51eeUL, 0xf65324e6UL, 0x6afce36cUL, 0x0316cc04UL, +0x8644213eUL, 0xb7dc59d0UL, 0x7965291fUL, 0xccd6fd43UL, 0x41823979UL, 0x932bcdf6UL, 0xb657c34dUL, 0x4edfd282UL, +0x7ae5290cUL, 0x3cb9536bUL, 0x851e20feUL, 0x9833557eUL, 0x13ecf0b0UL, 0xd3ffb372UL, 0x3f85c5c1UL, 0x0aef7ed2UL}; + +#else + +uint32_t s1[] PROGMEM = { +0xd440fb30UL, 0x0bffa09fUL, 0x2fcdec6bUL, 0x7a8c253fUL, 0x2f3f211eUL, 0xd34d009cUL, 0x40e50360UL, 0x49c99fcfUL, +0x27afd4bfUL, 0xb5bdbb88UL, 0x904003e2UL, 0x7596d098UL, 0xe0a0636eUL, 0xd261c315UL, 0x1d66e7c2UL, 0x8effd422UL, +0x6f3b6828UL, 0x59d07fc0UL, 0xc87923ffUL, 0xe2505f77UL, 0xd340c343UL, 0x56862fdfUL, 0x1aa47c88UL, 0x2dbdd2a2UL, +0xd6e0c9a1UL, 0x19486c34UL, 0x876db761UL, 0x2f0f5422UL, 0xe132be2aUL, 0x6b1654aaUL, 0x3a8e5622UL, 0xd041d3a2UL, +0xc840db66UL, 0x2f3984a7UL, 0x2fff4d00UL, 0xded2b92dUL, 0xac3f9497UL, 0xd8c1974aUL, 0xb7447652UL, 0xa737f4b5UL, +0xefba2cb8UL, 0x59d151d7UL, 0xedf0f76fUL, 0x1f7a095aUL, 0xd0687b82UL, 0x2ef5ec90UL, 0x54c0b022UL, 0x35598ebcUL, +0x7f2f6d4bUL, 0xa264bb50UL, 0x104966d2UL, 0x2d81e5beUL, 0x902233b7UL, 0x9f153be9UL, 0x11e48eb4UL, 0x5d34ff4bUL, +0x40c245fdUL, 0x3f9731adUL, 0x2ed0f6c4UL, 0x6581fc55UL, 0xadcab1d5UL, 0xae2daca1UL, 0x6db7d4a2UL, 0x500c9bc1UL, +0xf2402288UL, 0x384f6e0cUL, 0xd7bfe4a4UL, 0x72a25b4fUL, 0x2f1d4c56UL, 0x19539cc5UL, 0x54e349b9UL, 0xfe6946b0UL, +0x8aabb6b1UL, 0xdd5813c7UL, 0x45c58563UL, 0x5d930f11UL, 0xd58a5357UL, 0x9304396aUL, 0xe0373de6UL, 0xb3f6542aUL, +0x5f7d783aUL, 0xb5a07662UL, 0xdffca619UL, 0x6a20427aUL, 0xd5d4f929UL, 0x91181bf6UL, 0x5e2772bbUL, 0x678150aaUL, +0x91109038UL, 0xeb05b5c6UL, 0x8ccbc784UL, 0x0f5ad72aUL, 0x27144a87UL, 0x6b93d1a2UL, 0xaf86d22aUL, 0x91d256aaUL, +0x604389d7UL, 0x0d755c42UL, 0x269eb393UL, 0xc9847118UL, 0x2db3006cUL, 0x14bbe273UL, 0x3cbcbea0UL, 0x79376254UL, +0xab9e4564UL, 0x828b323fUL, 0x82cf1877UL, 0xa6cea259UL, 0x2e00ee04UL, 0xe678fe89UL, 0x5009ab3fUL, 0xc2f65f32UL, +0x053f3881UL, 0xc8c56369UL, 0xd65acb76UL, 0xc97499d4UL, 0xcf0d18caUL, 0xd5820738UL, 0xf65cfac7UL, 0x1115c38aUL, +0x139ee735UL, 0xd091da47UL, 0x86900ff4UL, 0x9e41e2a7UL, 0x41623631UL, 0x95f41e05UL, 0x043b57aaUL, 0x8d5d804aUL, +0xd0008354UL, 0x3c2a3200UL, 0xdfcd64bfUL, 0x8ea657baUL, 0x2b37c675UL, 0x41d3af50UL, 0x7532c1a7UL, 0xf50b5a91UL, +0xabbf546bUL, 0x26140b2bUL, 0xd7c94cabUL, 0x82cd9c44UL, 0x65f2fbf7UL, 0xf3c585abUL, 0x94db551bUL, 0x24e3d4aaUL, +0x3fbda4cfUL, 0xe2a3ea2dUL, 0x024d209eUL, 0xac25bdc8UL, 0xb355dfeaUL, 0x989ebdd5UL, 0xb23112e3UL, 0x6cadd52aUL, +0xde294395UL, 0x2845beadUL, 0x690f71d8UL, 0x0fc951aaUL, 0xf66b78aaUL, 0x1e3f5122UL, 0x9ba751aaUL, 0xcc44d32aUL, +0xf0415a7bUL, 0xadfb7cd3UL, 0x0595061bUL, 0x91e4ec41UL, 0xe632c3b4UL, 0xd4682203UL, 0xcc0a60c9UL, 0x6d7e38ceUL, +0x6cb16bbfUL, 0x78fb706aUL, 0xc9d9030dUL, 0xde39dfd4UL, 0xda6310e0UL, 0x64f43647UL, 0xd828d35aUL, 0x96cc47b3UL, +0xc30fbb75UL, 0xfb1b5198UL, 0x35ccfb4fUL, 0x6acf8bb5UL, 0xbc0a1fe1UL, 0x4afec5bfUL, 0x10ec0aa7UL, 0x0a5739acUL, +0x2f44043fUL, 0x53b18861UL, 0x2e7a39e0UL, 0x79cb2757UL, 0x8f41eb9cUL, 0x8dd6ac1cUL, 0x967cd32aUL, 0x9dcb7501UL, +0x09ff9dc6UL, 0xf0655bc7UL, 0xd840dbd9UL, 0x79770eecUL, 0xd4ea4447UL, 0x74321cb1UL, 0x9ecb24ddUL, 0xbd541c7eUL, +0xf94411f0UL, 0xb10e24d2UL, 0xfdb37596UL, 0x5537aca3UL, 0xaf277cd4UL, 0x4d5fc851UL, 0x96759056UL, 0xe615bba5UL, +0xf0040358UL, 0xf12c04caUL, 0xea371a01UL, 0xdbaabf8dUL, 0x4a3eba35UL, 0xa0ff2635UL, 0x094d7bc3UL, 0xd96e30bcUL, +0x6626a598UL, 0x25f74856UL, 0x9d565effUL, 0xd063ed0cUL, 0xcfb2637cUL, 0xe1450b70UL, 0xf150ead5UL, 0x7228a985UL, +0xa7bd1fafUL, 0x704823d4UL, 0xf30b87a7UL, 0x794d3b2dUL, 0x9841e042UL, 0xe7edd00cUL, 0xb80d4726UL, 0x4c8181f8UL, +0xd76a4d47UL, 0x5c5e0c7cUL, 0x591923d1UL, 0x98721b38UL, 0xdbf4d2f5UL, 0x538683abUL, 0x231e2f6eUL, 0x9e9c7183UL, +0x46e091bdUL, 0x6e45569aUL, 0x0c2039dcUL, 0x71c5c820UL, 0x1cda2b96UL, 0xff96e6e1UL, 0x08ab41b1UL, 0xb989ca7cUL, +0x83e7691aUL, 0x4348cc02UL, 0x79c5f7a2UL, 0x7df49e42UL, 0x9c167b42UL, 0x49f0c95aUL, 0x000f8fddUL, 0xbf65815cUL}; + +uint32_t s2[] PROGMEM = { +0x9410201fUL, 0x5ba70befUL, 0x7ecfe369UL, 0x80433f39UL, 0x7acf61feUL, 0x7a20c5eeUL, 0x949c8855UL, 0x5106fc72UL, +0x79efa7adUL, 0x35721d4eUL, 0xce635ad5UL, 0xba3604deUL, 0xef30c499UL, 0x94070c5fUL, 0x7ddbdc18UL, 0xf3efd6a1UL, +0x7b2fb5a0UL, 0x0536e859UL, 0x94b015eeUL, 0x09d9ffe9UL, 0x860044dcUL, 0x594494efUL, 0xb3cc83baUL, 0xfbcdc3e0UL, +0x8141dad1UL, 0xb12a093bUL, 0xc1f197f9UL, 0x7bcfe6a5UL, 0xdb0d4201UL, 0x5befe7e4UL, 0x41ffa125UL, 0x06f880e1UL, +0x8010c41fUL, 0x7aee9b17UL, 0xa9c67ad3UL, 0xa43058feUL, 0x7f8bde98UL, 0x4e3fe877UL, 0x69929279UL, 0x7b9ffa24UL, +0x5bc813e1UL, 0x8300c4acUL, 0x253550d7UL, 0x5f61eaf7UL, 0x54311462UL, 0x634b550dUL, 0x2111685dUL, 0x59c366c8UL, +0x73cf633dUL, 0xc034e2ceUL, 0x877ed8d4UL, 0x212b675cUL, 0x81611f07UL, 0x7f62f739UL, 0x84301e36UL, 0x3b57ebe4UL, +0xa4642f60UL, 0x9ccd3ad6UL, 0x3546bc1bUL, 0x2d03819eUL, 0x0cf50127UL, 0xb47a8499UL, 0x79dfe3a0UL, 0x8cf36cbaUL, +0x94308410UL, 0x5ea93725UL, 0xfe6f6ff4UL, 0x1f3bffa1UL, 0x6afb8c20UL, 0x748c458fUL, 0x27a2e0d9UL, 0x343ac74eUL, +0x694f88fcUL, 0xdfe84d3eUL, 0x88000eefUL, 0x8d645935UL, 0x8c38458aUL, 0x6643801dUL, 0xfd9b1d72UL, 0xbb8486a5UL, +0x336325e8UL, 0x12824e84UL, 0x98808d12UL, 0xb43fd3feUL, 0xe10a28ceUL, 0xa59be127UL, 0x52c2a6d5UL, 0xbd5497e4UL, +0xdd55d6c5UL, 0x647066ebUL, 0x4d0b8477UL, 0x01a8b6a1UL, 0xa926db84UL, 0x1467b5e0UL, 0xb743f021UL, 0x6058d0e5UL, +0x8430f054UL, 0x72f46f06UL, 0x53a11aa3UL, 0x5547dcdaUL, 0xbf5d62b5UL, 0xe61b5668UL, 0x946bca83UL, 0x3bd26e2dUL, +0xdb01cfecUL, 0xbad0d3a6UL, 0x5c3d80b6UL, 0x09a777afUL, 0x4ca3b433UL, 0xd6c87b39UL, 0x952be25eUL, 0x04530e5fUL, +0x616fed81UL, 0x6443e720UL, 0x78135eb4UL, 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0x28308280UL, 0xc8f3dedcUL, 0x71b15fd3UL, 0xc81b8a08UL, 0x60c5c0beUL, 0xe8c9a361UL, 0x4df5a8bcUL, +0xfaef2fc7UL, 0x992e8222UL, 0xb470c582UL, 0x894ed9d8UL, 0xbc341c8bUL, 0xe6161e30UL, 0x79e93b27UL, 0xa6eaffb0UL, +0xc6b8d961UL, 0x6948b200UL, 0x3fceffb7UL, 0x3b28dc08UL, 0x5af6da43UL, 0x9897e1f7UL, 0x2fb71976UL, 0xa49b1c8fUL, +0xa03786dcUL, 0xb1d3a716UL, 0xb793c39fUL, 0xeb6e13a7UL, 0x3ec6bcc6UL, 0x4237511aUL, 0xbc2868efUL, 0xd6650352UL, +0xab776a2dUL, 0x4bed2735UL, 0x16d21f82UL, 0x2e6e5c09UL, 0xfbf292dbUL, 0xcb29ea5eUL, 0xf5925814UL, 0x7f4f5891UL, +0x7b698354UL, 0xcca86726UL, 0x48601985UL, 0xeaac4b8cUL, 0xd4603883UL, 0xf9e0230dUL, 0x8a7e386cUL, 0x49d2e60aUL, +0x0c6084b2UL, 0x1d7335d8UL, 0x47c6b1dcUL, 0xea564cacUL, 0xb381bd3eUL, 0xb0ab0e23UL, 0x87bc3864UL, 0xfab1b5f0UL, +0xb3a25e8fUL, 0x424618fcUL, 0x7a6b030aUL, 0xbd89b04fUL, 0x89a59d64UL, 0x5e4145a3UL, 0x2383035cUL, 0xb93b5d3eUL, +0x7295d743UL, 0x7cd06d7eUL, 0x1edfdf06UL, 0xefc46c6cUL, 0x39a56071UL, 0x70bebf73UL, 0x05768783UL, 0xf1ec2345UL}; + +uint32_t s3[] PROGMEM = { +0x40c2ef8dUL, 0x9f5dfa25UL, 0xbf3d90ebUL, 0x07c910e8UL, 0xff7f6047UL, 0x4be49f36UL, 0x44c61f8cUL, 0x90caceaeUL, +0xbff9b1beUL, 0xeacafbeeUL, 0x5019cfe8UL, 0xae07df51UL, 0x06880e92UL, 0x4805adf0UL, 0x838d3ce1UL, 0xd5107092UL, +0x9f7d1011UL, 0xb97d6407UL, 0xd4e4e3b2UL, 0x5e284f3dUL, 0x20a8afb9UL, 0xe082defaUL, 0x8b2667a0UL, 0x2e797282UL, +0xc0b23f55UL, 0x2be29a48UL, 0x9497efd4UL, 0xbc3f5e12UL, 0xeefcff21UL, 0xfd1b5b82UL, 0xedc55592UL, 0x40a25712UL, +0x02831a4eUL, 0xff7fe0baUL, 0xe7468252UL, 0x0e14578eUL, 0xbff77333UL, 0x88819f8cUL, 0xe84efca6UL, 0xa5b582c9UL, +0xb71dc0a8UL, 0x64c29f57UL, 0x314f0967UL, 0x5f3fbdf2UL, 0xc1f7ff40UL, 0xfc8db71fUL, 0xc1d26b8eUL, 0x9be57b43UL, +0xbf3db099UL, 0x4bc6dbb5UL, 0xe6c08d63UL, 0x999d8155UL, 0x1cc897a1UL, 0x6e2d014aUL, 0x284a88c5UL, 0x716fc3ccUL, +0x13c243b8UL, 0xf143076cUL, 0x3c890983UL, 0x5fdded0fUL, 0x50e87f2fUL, 0x7e7fc0d7UL, 0xbf7f5002UL, 0x049afb5aUL, +0xd0d247a7UL, 0x2e195116UL, 0x3ebf70afUL, 0x8013c358UL, 0x2e30985fUL, 0xc4c37c72UL, 0x02b40f0aUL, 0x82ef7f0fUL, +0xadfd968cUL, 0xae2a2c5dUL, 0x499ae98eUL, 0xb888da50UL, 0xa0f42784UL, 0x9057ac1eUL, 0x49b46f79UL, 0x15dc5282UL, +0x9b7dbdefUL, 0x7d5972a6UL, 0xd840a8adUL, 0x0445f545UL, 0x03745dfaUL, 0x05c33ee8UL, 0x1a75914fUL, 0xc2695692UL, +0x41e9ef23UL, 0x2ef103a9UL, 0xf20d2760UL, 0xb6e47602UL, 0x7465fd94UL, 0xb2857992UL, 0xcbdb7682UL, 0x76817702UL, +0x8d91aff8UL, 0x9ef7484eUL, 0xdf6d618fUL, 0x0e849de2UL, 0x837d2f84UL, 0xc8e50c34UL, 0x82b6bb96UL, 0x48b1b493UL, +0xab3c30efUL, 0x28af4f98UL, 0x9baf9f77UL, 0x0d56dc92UL, 0x201e4d22UL, 0x88aa3784UL, 0x96dc297dUL, 0xdcd35627UL, +0xee7c908bUL, 0x40d21fb5UL, 0xe37cc0e7UL, 0xa1b466e5UL, 0x5e61e9c3UL, 0x9d20f83cUL, 0xe3d19460UL, 0x41a39ccdUL, +0x0e46765cUL, 0x3b98ea00UL, 0x8178d6d4UL, 0x2c5747fdUL, 0xd9ed6cf7UL, 0x9c22a8bdUL, 0xaaad7d12UL, 0x4e078a43UL, +0x90c0971fUL, 0x8adb1b08UL, 0xbe7ea093UL, 0x15ca38b9UL, 0xff3cb097UL, 0xf8c0c23dUL, 0xecb21a8dUL, 0x510e3864UL, +0xfb7bcc68UL, 0x88270fd9UL, 0x81014912UL, 0xd4ffe55dUL, 0x6af87eddUL, 0x14e2a276UL, 0x6803a4b9UL, 0x8f955d92UL, +0xfaff394bUL, 0xe9ae39baUL, 0x0bd3ffa4UL, 0x3b93f7faUL, 0x2386496dUL, 0xfabc3c19UL, 0x45756227UL, 0x7af45c82UL, +0xa08bbd61UL, 0xd1421ed1UL, 0xf404adceUL, 0x92a37e12UL, 0xb78d4210UL, 0x72a97282UL, 0xa8c47092UL, 0x0be57d12UL, +0xc8a15b28UL, 0x4ff4623cUL, 0xa5eac035UL, 0x31d205e8UL, 0xfb298942UL, 0x82dffcb4UL, 0x536ab64fUL, 0x5bc17d0eUL, +0xab1f081fUL, 0xae188610UL, 0x6d08fdfcUL, 0x8928fff9UL, 0x11cc4b69UL, 0xae5c6a23UL, 0x4dcade12UL, 0xc58c3f2cUL, +0xfe2dd0d2UL, 0x9658eff8UL, 0xda52cfe4UL, 0x675b1595UL, 0x8c484a49UL, 0x0ca8b6b9UL, 0xbc828f5cUL, 0x456bd389UL, +0x3794603aUL, 0xa9c900ecUL, 0x53527144UL, 0x494b870aUL, 0x40bc73d7UL, 0x1c67347cUL, 0xf67e7102UL, 0x3655eb4fUL, +0xff2fd0a2UL, 0xc460bfd2UL, 0xc0033fd4UL, 0x6defb450UL, 0xd18c4707UL, 0x88186e00UL, 0x553fe5a2UL, 0xbcd4e6b9UL, +0x168004a2UL, 0x33385797UL, 0x677d20d7UL, 0x3d8f0fdeUL, 0x337bf872UL, 0x334fccabUL, 0x5dc58876UL, 0xb0a6007bUL, +0x01007b94UL, 0xd2750057UL, 0xf888bbf9UL, 0x9e014289UL, 0xffa56442UL, 0xe0026385UL, 0x2bd9db72UL, 0x691b97eeUL, +0xde2fa26eUL, 0x2bae085fUL, 0x6d617aafUL, 0x6787c9e5UL, 0xd2eb1fcfUL, 0xc2c8ef61UL, 0x7125acf1UL, 0xc23982ccUL, +0xb84c2167UL, 0xd183e5b1UL, 0x623edcb7UL, 0xcebd107fUL, 0x385c0af9UL, 0x3d44f00fUL, 0xc66d6e60UL, 0x493a5460UL, +0x48c12757UL, 0x1d8ae92bUL, 0x3817b48aUL, 0x24bee120UL, 0x0fda96afUL, 0x25844568UL, 0xe53b8399UL, 0x7d450d60UL, +0x50932f28UL, 0x62b33483UL, 0x20111dd9UL, 0xa08d6d2bUL, 0x311e2b64UL, 0x005a309cUL, 0x88e6bc52UL, 0x8a58031bUL, +0xd5efbaf7UL, 0x9ced4241UL, 0x115c31a4UL, 0xc53e3283UL, 0x3646efdfUL, 0x01c533a1UL, 0x1c53d3e9UL, 0x833735eeUL}; + +uint32_t s4[] PROGMEM = { +0x2004b39dUL, 0xdee9b61fUL, 0xef7bbea7UL, 0x98a273d2UL, 0xdb7b4f4aUL, 0x578cad64UL, 0x43045185UL, 0xd10e02faUL, +0xff7a287eUL, 0x63b60fe6UL, 0xa1355f09UL, 0x20f1eb79UL, 0x439d05fdUL, 0xb1b79764UL, 0x631f64f3UL, 0xdf4a1e24UL, +0x5f7f1428UL, 0xcdb8a24fUL, 0x400043c9UL, 0x2022c30cUL, 0x300bd3fdUL, 0x4f37a5c0UL, 0xd9002d1dUL, 0x157b1424UL, +0x1a114deeUL, 0x6751ca0fUL, 0x4c90ff71UL, 0xfe5f192dUL, 0x5f64051aUL, 0xfefe130cUL, 0xca081b08UL, 0x21011705UL, +0x00015380UL, 0xfe5e3ee8UL, 0xf8f49aacUL, 0x0127e77fUL, 0x5feeb8d2UL, 0x6142df06UL, 0x8a9b9ebbUL, 0x25ea9372UL, +0xdfff84ceUL, 0x018871f5UL, 0x044bd63dUL, 0x3b266fa2UL, 0x0084d47eUL, 0xe6eb7e54UL, 0xa04c6d44UL, 0xf5d6f36cUL, +0xdfab4926UL, 0xf5c7a0aeUL, 0xc18c3336UL, 0x937e3f50UL, 0x612077d3UL, 0xe138b611UL, 0x030e5072UL, 0xbbb20ef8UL, +0x2e50e0abUL, 0xde778decUL, 0x811e9757UL, 0x46674fe1UL, 0x005433c9UL, 0x8f312069UL, 0x99bb1d08UL, 0xa504c3ffUL, +0x0518354dUL, 0xe35c3d7fUL, 0xc666c8a6UL, 0xa9cc5b5dUL, 0xea6fecdaUL, 0x916f929fUL, 0x2f22469fUL, 0x7d469139UL, +0x8e6dbfa5UL, 0x4fc44311UL, 0x02839543UL, 0xeb4e21d0UL, 0xb8832002UL, 0x0c18b63fUL, 0x1e93f818UL, 0xe6581628UL, +0x3e6e4826UL, 0x708ad78bUL, 0xc1e47774UL, 0x7ce006b5UL, 0x250a2df3UL, 0x028b0979UL, 0x81bbeae4UL, 0x233b1228UL, +0x38adde69UL, 0x16ca7415UL, 0x621b87dfUL, 0xb7401c21UL, 0xf99e1aa5UL, 0x7b371400UL, 0xc88a1e04UL, 0x03401109UL, +0xd2e459bdUL, 0xd556d1e3UL, 0xd576e84fUL, 0x40a3912fUL, 0xdee87b55UL, 0xa7e4ea00UL, 0xecc2e50cUL, 0xa6bbb44dUL, +0xffbd56e7UL, 0xac6933ddUL, 0x35b017ecUL, 0x27235706UL, 0xb0c8af99UL, 0x91c3c856UL, 0x1c81656bUL, 0x1961145eUL, +0x75cb856eUL, 0x02c007beUL, 0x775532c2UL, 0xecf43f89UL, 0x2dc9bf5bUL, 0x253becd0UL, 0xb71a80b7UL, 0x243b6d8dUL, +0xef63c720UL, 0xfca566c3UL, 0x8028389cUL, 0x0532ce0aUL, 0x8a54c9aaUL, 0xc7d7a1ecUL, 0x32fa1a04UL, 0x5a62161dUL, +0x2c900167UL, 0x547a759bUL, 0xf777d431UL, 0x31b02691UL, 0xdb6fcc36UL, 0x468b0bc7UL, 0x486ae6d9UL, 0x795ae556UL, +0xeb4c6a02UL, 0xff7e4352UL, 0xb4768f2fUL, 0xa580f90dUL, 0xe3cd7486UL, 0xeb04daedUL, 0x04bea917UL, 0xdff4182cUL, +0x9d7f74b7UL, 0xb4f72aabUL, 0x204dc3efUL, 0x7c6b092eUL, 0x54a24117UL, 0x35a0b6e5UL, 0xf6423d21UL, 0x267c1c2cUL, +0x0ff5c261UL, 0xf9da5265UL, 0xf831c2d2UL, 0x690f1325UL, 0xa27f16d8UL, 0xc8f21804UL, 0xa6961a00UL, 0xab26150dUL, +0x215c3163UL, 0xec720a5eUL, 0xfdfeba49UL, 0xd9087918UL, 0x86bd0d8dUL, 0xa7701131UL, 0x0c649b3eUL, 0xd7103eccUL, +0xb6d3cad5UL, 0x88c3ae0cUL, 0xe10130f7UL, 0xff8a726cUL, 0xa1e2ea71UL, 0x6ef39a1fUL, 0x2fd1cbcfUL, 0x1784dec1UL, +0x6bbe07acUL, 0xd8a144cbUL, 0x560f9b8bUL, 0xc3883901UL, 0xca2fc5b1UL, 0xcd31beb4UL, 0x062878d8UL, 0xe2a4a312UL, +0x32e57d6fUL, 0xb67efd58UL, 0x00e91ed0UL, 0xc2ffad24UL, 0xc50f99f4UL, 0xc5aa1197UL, 0x957b1d00UL, 0xd2e7e582UL, +0xf6739810UL, 0x96306100UL, 0x21952dc3UL, 0xff21a1adUL, 0x15849029UL, 0x7f97bb7fUL, 0xdbb39eafUL, 0x2aedc929UL, +0x65a4e25cUL, 0x2cf330a7UL, 0xe83faad0UL, 0x91c05c8aUL, 0xe72c9ed4UL, 0xa954e40cUL, 0x86cd0ad6UL, 0x19195f01UL, +0x03910777UL, 0xf63aa0deUL, 0x5e56a878UL, 0xdf56e3deUL, 0xbe5cf021UL, 0x87e3758bUL, 0x5106c5b3UL, 0xefc3a5b8UL, +0xd2b6eed8UL, 0x77be23e5UL, 0x294515c2UL, 0xdfef692fUL, 0xfb7ae6afUL, 0xb2c470f4UL, 0x5bebe0f3UL, 0x7698ccd6UL, +0x0c46e439UL, 0x3885da1fUL, 0x2f838719UL, 0x677300caUL, 0xf84491a9UL, 0x9e296b29UL, 0x95c22f49UL, 0xabbe6692UL, +0x696e67b5UL, 0xdaddd39bUL, 0x2f057edfUL, 0x1c7025dbUL, 0xee515e1bUL, 0xe62453f6UL, 0x6ce3fc6aUL, 0x04cc1603UL, +0x3e214486UL, 0xd059dcb7UL, 0x1f296579UL, 0x43fdd6ccUL, 0x79398241UL, 0xf6cd2b93UL, 0x4dc357b6UL, 0x82d2df4eUL, +0x0c29e57aUL, 0x6b53b93cUL, 0xfe201e85UL, 0x7e553398UL, 0xb0f0ec13UL, 0x72b3ffd3UL, 0xc1c5853fUL, 0xd27eef0aUL}; + +#endif + +/*********************************************************************************************************/ + +#ifdef BIG_ENDIAN + +uint32_t s5[] PROGMEM = { +0x7ec90c04UL, 0x2c6e74b9UL, 0x9b0e66dfUL, 0xa6337911UL, 0xb86a7fffUL, 0x1dd358f5UL, 0x44dd9d44UL, 0x1731167fUL, +0x08fbf1faUL, 0xe7f511ccUL, 0xd2051b00UL, 0x735aba00UL, 0x2ab722d8UL, 0x386381cbUL, 0xacf6243aUL, 0x69befd7aUL, +0xe6a2e77fUL, 0xf0c720cdUL, 0xc4494816UL, 0xccf5c180UL, 0x38851640UL, 0x15b0a848UL, 0xe68b18cbUL, 0x4caadeffUL, +0x5f480a01UL, 0x0412b2aaUL, 0x259814fcUL, 0x41d0efe2UL, 0x4e40b48dUL, 0x248eb6fbUL, 0x8dba1cfeUL, 0x41a99b02UL, +0x1a550a04UL, 0xba8f65cbUL, 0x7251f4e7UL, 0x95a51725UL, 0xc106ecd7UL, 0x97a5980aUL, 0xc539b9aaUL, 0x4d79fe6aUL, +0xf2f3f763UL, 0x68af8040UL, 0xed0c9e56UL, 0x11b4958bUL, 0xe1eb5a88UL, 0x8709e6b0UL, 0xd7e07156UL, 0x4e29fea7UL, +0x6366e52dUL, 0x02d1c000UL, 0xc4ac8e05UL, 0x9377f571UL, 0x0c05372aUL, 0x578535f2UL, 0x2261be02UL, 0xd642a0c9UL, +0xdf13a280UL, 0x74b55bd2UL, 0x682199c0UL, 0xd421e5ecUL, 0x53fb3ce8UL, 0xc8adedb3UL, 0x28a87fc9UL, 0x3d959981UL, +0x5c1ff900UL, 0xfe38d399UL, 0x0c4eff0bUL, 0x062407eaUL, 0xaa2f4fb1UL, 0x4fb96976UL, 0x90c79505UL, 0xb0a8a774UL, +0xef55a1ffUL, 0xe59ca2c2UL, 0xa6b62d27UL, 0xe66a4263UL, 0xdf65001fUL, 0x0ec50966UL, 0xdfdd55bcUL, 0x29de0655UL, +0x911e739aUL, 0x17af8975UL, 0x32c7911cUL, 0x89f89468UL, 0x0d01e980UL, 0x524755f4UL, 0x03b63cc9UL, 0x0cc844b2UL, +0xbcf3f0aaUL, 0x87ac36e9UL, 0xe53a7426UL, 0x01b3d82bUL, 0x1a9e7449UL, 0x64ee2d7eUL, 0xcddbb1daUL, 0x01c94910UL, +0xb868bf80UL, 0x0d26f3fdUL, 0x9342ede7UL, 0x04a5c284UL, 0x636737b6UL, 0x50f5b616UL, 0xf24766e3UL, 0x8eca36c1UL, +0x136e05dbUL, 0xfef18391UL, 0xfb887a37UL, 0xd6e7f7d4UL, 0xc7fb7dc9UL, 0x3063fcdfUL, 0xb6f589deUL, 0xec2941daUL, +0x26e46695UL, 0xb7566419UL, 0xf654efc5UL, 0xd08d58b7UL, 0x48925401UL, 0xc1bacb7fUL, 0xe5ff550fUL, 0xb6083049UL, +0x5bb5d0e8UL, 0x87d72e5aUL, 0xab6a6ee1UL, 0x223a66ceUL, 0xc62bf3cdUL, 0x9e0885f9UL, 0x68cb3e47UL, 0x086c010fUL, +0xa21de820UL, 0xd18b69deUL, 0xf3f65777UL, 0xfa02c3f6UL, 0x407edac3UL, 0xcbb3d550UL, 0x1793084dUL, 0xb0d70ebaUL, +0x0ab378d5UL, 0xd951fb0cUL, 0xded7da56UL, 0x4124bbe4UL, 0x94ca0b56UL, 0x0f5755d1UL, 0xe0e1e56eUL, 0x6184b5beUL, +0x580a249fUL, 0x94f74bc0UL, 0xe327888eUL, 0x9f7b5561UL, 0xc3dc0280UL, 0x05687715UL, 0x646c6bd7UL, 0x44904db3UL, +0x66b4f0a3UL, 0xc0f1648aUL, 0x697ed5afUL, 0x49e92ff6UL, 0x309e374fUL, 0x2cb6356aUL, 0x85808573UL, 0x4991f840UL, +0x76f0ae02UL, 0x083be84dUL, 0x28421c9aUL, 0x44489406UL, 0x736e4cb8UL, 0xc1092910UL, 0x8bc95fc6UL, 0x7d869cf4UL, +0x134f616fUL, 0x2e77118dUL, 0xb31b2be1UL, 0xaa90b472UL, 0x3ca5d717UL, 0x7d161bbaUL, 0x9cad9010UL, 0xaf462ba2UL, +0x9fe459d2UL, 0x45d34559UL, 0xd9f2da13UL, 0xdbc65487UL, 0xf3e4f94eUL, 0x176d486fUL, 0x097c13eaUL, 0x631da5c7UL, +0x445f7382UL, 0x175683f4UL, 0xcdc66a97UL, 0x70be0288UL, 0xb3cdcf72UL, 0x6e5dd2f3UL, 0x20936079UL, 0x459b80a5UL, +0xbe60e2dbUL, 0xa9c23101UL, 0xeba5315cUL, 0x224e42f2UL, 0x1c5c1572UL, 0xf6721b2cUL, 0x1ad2fff3UL, 0x8c25404eUL, +0x324ed72fUL, 0x4067b7fdUL, 0x0523138eUL, 0x5ca3bc78UL, 0xdc0fd66eUL, 0x75922283UL, 0x784d6b17UL, 0x58ebb16eUL, +0x44094f85UL, 0x3f481d87UL, 0xfcfeae7bUL, 0x77b5ff76UL, 0x8c2302bfUL, 0xaaf47556UL, 0x5f46b02aUL, 0x2b092801UL, +0x3d38f5f7UL, 0x0ca81f36UL, 0x52af4a8aUL, 0x66d5e7c0UL, 0xdf3b0874UL, 0x95055110UL, 0x1b5ad7a8UL, 0xf61ed5adUL, +0x6cf6e479UL, 0x20758184UL, 0xd0cefa65UL, 0x88f7be58UL, 0x4a046826UL, 0x0ff6f8f3UL, 0xa09c7f70UL, 0x5346aba0UL, +0x5ce96c28UL, 0xe176eda3UL, 0x6bac307fUL, 0x376829d2UL, 0x85360fa9UL, 0x17e3fe2aUL, 0x24b79767UL, 0xf5a96b20UL, +0xd6cd2595UL, 0x68ff1ebfUL, 0x7555442cUL, 0xf19f06beUL, 0xf9e0659aUL, 0xeeb9491dUL, 0x34010718UL, 0xbb30cab8UL, +0xe822fe15UL, 0x88570983UL, 0x750e6249UL, 0xda627e55UL, 0x5e76ffa8UL, 0xb1534546UL, 0x6d47de08UL, 0xefe9e7d4UL}; + + +uint32_t s6[] PROGMEM = { +0xf6fa8f9dUL, 0x2cac6ce1UL, 0x4ca34867UL, 0xe2337f7cUL, 0x95db08e7UL, 0x016843b4UL, 0xeced5cbcUL, 0x325553acUL, +0xbf9f0960UL, 0xdfa1e2edUL, 0x83f0579dUL, 0x63ed86b9UL, 0x1ab6a6b8UL, 0xde5ebe39UL, 0xf38ff732UL, 0x8989b138UL, +0x33f14961UL, 0xc01937bdUL, 0xf506c6daUL, 0xe4625e7eUL, 0xa308ea99UL, 0x4e23e33cUL, 0x79cbd7ccUL, 0x48a14367UL, +0xa3149619UL, 0xfec94bd5UL, 0xa114174aUL, 0xeaa01866UL, 0xa084db2dUL, 0x09a8486fUL, 0xa888614aUL, 0x2900af98UL, +0x01665991UL, 0xe1992863UL, 0xc8f30c60UL, 0x2e78ef3cUL, 0xd0d51932UL, 0xcf0fec14UL, 0xf7ca07d2UL, 0xd0a82072UL, +0xfd41197eUL, 0x9305a6b0UL, 0xe86be3daUL, 0x74bed3cdUL, 0x372da53cUL, 0x4c7f4448UL, 0xdab5d440UL, 0x6dba0ec3UL, +0x083919a7UL, 0x9fbaeed9UL, 0x49dbcfb0UL, 0x4e670c53UL, 0x5c3d9c01UL, 0x64bdb941UL, 0x2c0e636aUL, 0xba7dd9cdUL, +0xea6f7388UL, 0xe70bc762UL, 0x35f29adbUL, 0x5c4cdd8dUL, 0xf0d48d8cUL, 0xb88153e2UL, 0x08a19866UL, 0x1ae2eac8UL, +0x284caf89UL, 0xaa928223UL, 0x9334be53UL, 0x3b3a21bfUL, 0x16434be3UL, 0x9aea3906UL, 0xefe8c36eUL, 0xf890cdd9UL, +0x80226daeUL, 0xc340a4a3UL, 0xdf7e9c09UL, 0xa694a807UL, 0x5b7c5eccUL, 0x221db3a6UL, 0x9a69a02fUL, 0x68818a54UL, +0xceb2296fUL, 0x53c0843aUL, 0xfe893655UL, 0x25bfe68aUL, 0xb4628abcUL, 0xcf222ebfUL, 0x25ac6f48UL, 0xa9a99387UL, +0x53bddb65UL, 0xe76ffbe7UL, 0xe967fd78UL, 0x0ba93563UL, 0x8e342bc1UL, 0xe8a11be9UL, 0x4980740dUL, 0xc8087dfcUL, +0x8de4bf99UL, 0xa11101a0UL, 0x7fd37975UL, 0xda5a26c0UL, 0xe81f994fUL, 0x9528cd89UL, 0xfd339fedUL, 0xb87834bfUL, +0x5f04456dUL, 0x22258698UL, 0xc9c4c83bUL, 0x2dc156beUL, 0x4f628daaUL, 0x57f55ec5UL, 0xe2220abeUL, 0xd2916ebfUL, +0x4ec75b95UL, 0x24f2c3c0UL, 0x42d15d99UL, 0xcd0d7fa0UL, 0x7b6e27ffUL, 0xa8dc8af0UL, 0x7345c106UL, 0xf41e232fUL, +0x35162386UL, 0xe6ea8926UL, 0x3333b094UL, 0x157ec6f2UL, 0x372b74afUL, 0x692573e4UL, 0xe9a9d848UL, 0xf3160289UL, +0x3a62ef1dUL, 0xa787e238UL, 0xf3a5f676UL, 0x74364853UL, 0x20951063UL, 0x4576698dUL, 0xb6fad407UL, 0x592af950UL, +0x36f73523UL, 0x4cfb6e87UL, 0x7da4cec0UL, 0x6c152daaUL, 0xcb0396a8UL, 0xc50dfe5dUL, 0xfcd707abUL, 0x0921c42fUL, +0x89dff0bbUL, 0x5fe2be78UL, 0x448f4f33UL, 0x754613c9UL, 0x2b05d08dUL, 0x48b9d585UL, 0xdc049441UL, 0xc8098f9bUL, +0x7dede786UL, 0xc39a3373UL, 0x42410005UL, 0x6a091751UL, 0x0ef3c8a6UL, 0x890072d6UL, 0x28207682UL, 0xa9a9f7beUL, +0xbf32679dUL, 0xd45b5b75UL, 0xb353fd00UL, 0xcbb0e358UL, 0x830f220aUL, 0x1f8fb214UL, 0xd372cf08UL, 0xcc3c4a13UL, +0x8cf63166UL, 0x061c87beUL, 0x88c98f88UL, 0x6062e397UL, 0x47cf8e7aUL, 0xb6c85283UL, 0x3cc2acfbUL, 0x3fc06976UL, +0x4e8f0252UL, 0x64d8314dUL, 0xda3870e3UL, 0x1e665459UL, 0xc10908f0UL, 0x513021a5UL, 0x6c5b68b7UL, 0x822f8aa0UL, +0x3007cd3eUL, 0x74719eefUL, 0xdc872681UL, 0x073340d4UL, 0x7e432fd9UL, 0x0c5ec241UL, 0x8809286cUL, 0xf592d891UL, +0x08a930f6UL, 0x957ef305UL, 0xb7fbffbdUL, 0xc266e96fUL, 0x6fe4ac98UL, 0xb173ecc0UL, 0xbc60b42aUL, 0x953498daUL, +0xfba1ae12UL, 0x2d4bd736UL, 0x0f25faabUL, 0xa4f3fcebUL, 0xe2969123UL, 0x257f0c3dUL, 0x9348af49UL, 0x361400bcUL, +0xe8816f4aUL, 0x3814f200UL, 0xa3f94043UL, 0x9c7a54c2UL, 0xbc704f57UL, 0xda41e7f9UL, 0xc25ad33aUL, 0x54f4a084UL, +0xb17f5505UL, 0x59357cbeUL, 0xedbd15c8UL, 0x7f97c5abUL, 0xba5ac7b5UL, 0xb6f6deafUL, 0x3a479c3aUL, 0x5302da25UL, +0x653d7e6aUL, 0x54268d49UL, 0x51a477eaUL, 0x5017d55bUL, 0xd7d25d88UL, 0x44136c76UL, 0x0404a8c8UL, 0xb8e5a121UL, +0xb81a928aUL, 0x60ed5869UL, 0x97c55b96UL, 0xeaec991bUL, 0x29935913UL, 0x01fdb7f1UL, 0x088e8dfaUL, 0x9ab6f6f5UL, +0x3b4cbf9fUL, 0x4a5de3abUL, 0xe6051d35UL, 0xa0e1d855UL, 0xd36b4cf1UL, 0xf544edebUL, 0xb0e93524UL, 0xbebb8fbdUL, +0xa2d762cfUL, 0x49c92f54UL, 0x38b5f331UL, 0x7128a454UL, 0x48392905UL, 0xa65b1db8UL, 0x851c97bdUL, 0xd675cf2fUL}; + + +uint32_t s7[] PROGMEM = { +0x85e04019UL, 0x332bf567UL, 0x662dbfffUL, 0xcfc65693UL, 0x2a8d7f6fUL, 0xab9bc912UL, 0xde6008a1UL, 0x2028da1fUL, +0x0227bce7UL, 0x4d642916UL, 0x18fac300UL, 0x50f18b82UL, 0x2cb2cb11UL, 0xb232e75cUL, 0x4b3695f2UL, 0xb28707deUL, +0xa05fbcf6UL, 0xcd4181e9UL, 0xe150210cUL, 0xe24ef1bdUL, 0xb168c381UL, 0xfde4e789UL, 0x5c79b0d8UL, 0x1e8bfd43UL, +0x4d495001UL, 0x38be4341UL, 0x913cee1dUL, 0x92a79c3fUL, 0x089766beUL, 0xbaeeadf4UL, 0x1286becfUL, 0xb6eacb19UL, +0x2660c200UL, 0x7565bde4UL, 0x64241f7aUL, 0x8248dca9UL, 0xc3b3ad66UL, 0x28136086UL, 0x0bd8dfa8UL, 0x356d1cf2UL, +0x107789beUL, 0xb3b2e9ceUL, 0x0502aa8fUL, 0x0bc0351eUL, 0x166bf52aUL, 0xeb12ff82UL, 0xe3486911UL, 0xd34d7516UL, +0x4e7b3affUL, 0x5f43671bUL, 0x9cf6e037UL, 0x4981ac83UL, 0x334266ceUL, 0x8c9341b7UL, 0xd0d854c0UL, 0xcb3a6c88UL, +0x47bc2829UL, 0x4725ba37UL, 0xa66ad22bUL, 0x7ad61f1eUL, 0x0c5cbafaUL, 0x4437f107UL, 0xb6e79962UL, 0x42d2d816UL, +0x0a961288UL, 0xe1a5c06eUL, 0x13749e67UL, 0x72fc081aUL, 0xb1d139f7UL, 0xf9583745UL, 0xcf19df58UL, 0xbec3f756UL, +0xc06eba30UL, 0x07211b24UL, 0x45c28829UL, 0xc95e317fUL, 0xbc8ec511UL, 0x38bc46e9UL, 0xc6e6fa14UL, 0xbae8584aUL, +0xad4ebc46UL, 0x468f508bUL, 0x7829435fUL, 0xf124183bUL, 0x821dba9fUL, 0xaff60ff4UL, 0xea2c4e6dUL, 0x16e39264UL, +0x92544a8bUL, 0x009b4fc3UL, 0xaba68cedUL, 0x9ac96f78UL, 0x06a5b79aUL, 0xb2856e6eUL, 0x1aec3ca9UL, 0xbe838688UL, +0x0e0804e9UL, 0x55f1be56UL, 0xe7e5363bUL, 0xb3a1f25dUL, 0xf7debb85UL, 0x61fe033cUL, 0x16746233UL, 0x3c034c28UL, +0xda6d0c74UL, 0x79aac56cUL, 0x3ce4e1adUL, 0x51f0c802UL, 0x98f8f35aUL, 0x1626a49fUL, 0xeed82b29UL, 0x1d382fe3UL, +0x0c4fb99aUL, 0xbb325778UL, 0x3ec6d97bUL, 0x6e77a6a9UL, 0xcb658b5cUL, 0xd45230c7UL, 0x2bd1408bUL, 0x60c03eb7UL, +0xb9068d78UL, 0xa33754f4UL, 0xf430c87dUL, 0xc8a71302UL, 0xb96d8c32UL, 0xebd4e7beUL, 0xbe8b9d2dUL, 0x7979fb06UL, +0xe7225308UL, 0x8b75cf77UL, 0x11ef8da4UL, 0xe083c858UL, 0x8d6b786fUL, 0x5a6317a6UL, 0xfa5cf7a0UL, 0x5dda0033UL, +0xf28ebfb0UL, 0xf5b9c310UL, 0xa0eac280UL, 0x08b9767aUL, 0xa3d9d2b0UL, 0x79d34217UL, 0x021a718dUL, 0x9ac6336aUL, +0x2711fd60UL, 0x438050e3UL, 0x069908a8UL, 0x3d7fedc4UL, 0x826d2befUL, 0x4eeb8476UL, 0x488dcf25UL, 0x36c9d566UL, +0x28e74e41UL, 0xc2610acaUL, 0x3d49a9cfUL, 0xbae3b9dfUL, 0xb65f8de6UL, 0x92aeaf64UL, 0x3ac7d5e6UL, 0x9ea80509UL, +0xf22b017dUL, 0xa4173f70UL, 0xdd1e16c3UL, 0x15e0d7f9UL, 0x50b1b887UL, 0x2b9f4fd5UL, 0x625aba82UL, 0x6a017962UL, +0x2ec01b9cUL, 0x15488aa9UL, 0xd716e740UL, 0x40055a2cUL, 0x93d29a22UL, 0xe32dbf9aUL, 0x058745b9UL, 0x3453dc1eUL, +0xd699296eUL, 0x496cff6fUL, 0x1c9f4986UL, 0xdfe2ed07UL, 0xb87242d1UL, 0x19de7eaeUL, 0x053e561aUL, 0x15ad6f8cUL, +0x66626c1cUL, 0x7154c24cUL, 0xea082b2aUL, 0x93eb2939UL, 0x17dcb0f0UL, 0x58d4f2aeUL, 0x9ea294fbUL, 0x52cf564cUL, +0x9883fe66UL, 0x2ec40581UL, 0x763953c3UL, 0x01d6692eUL, 0xd3a0c108UL, 0xa1e7160eUL, 0xe4f2dfa6UL, 0x693ed285UL, +0x74904698UL, 0x4c2b0eddUL, 0x4f757656UL, 0x5d393378UL, 0xa132234fUL, 0x3d321c5dUL, 0xc3f5e194UL, 0x4b269301UL, +0xc79f022fUL, 0x3c997e7eUL, 0x5e4f9504UL, 0x3ffafbbdUL, 0x76f7ad0eUL, 0x296693f4UL, 0x3d1fce6fUL, 0xc61e45beUL, +0xd3b5ab34UL, 0xf72bf9b7UL, 0x1b0434c0UL, 0x4e72b567UL, 0x5592a33dUL, 0xb5229301UL, 0xcfd2a87fUL, 0x60aeb767UL, +0x1814386bUL, 0x30bcc33dUL, 0x38a0c07dUL, 0xfd1606f2UL, 0xc363519bUL, 0x589dd390UL, 0x5479f8e6UL, 0x1cb8d647UL, +0x97fd61a9UL, 0xea7759f4UL, 0x2d57539dUL, 0x569a58cfUL, 0xe84e63adUL, 0x462e1b78UL, 0x6580f87eUL, 0xf3817914UL, +0x91da55f4UL, 0x40a230f3UL, 0xd1988f35UL, 0xb6e318d2UL, 0x3ffa50bcUL, 0x3d40f021UL, 0xc3c0bdaeUL, 0x4958c24cUL, +0x518f36b2UL, 0x84b1d370UL, 0x0fedce83UL, 0x878ddadaUL, 0xf2a279c7UL, 0x94e01be8UL, 0x90716f4bUL, 0x954b8aa3UL}; + + +uint32_t s8[] PROGMEM = { +0xe216300dUL, 0xbbddfffcUL, 0xa7ebdabdUL, 0x35648095UL, 0x7789f8b7UL, 0xe6c1121bUL, 0x0e241600UL, 0x052ce8b5UL, +0x11a9cfb0UL, 0xe5952f11UL, 0xece7990aUL, 0x9386d174UL, 0x2a42931cUL, 0x76e38111UL, 0xb12def3aUL, 0x37ddddfcUL, +0xde9adeb1UL, 0x0a0cc32cUL, 0xbe197029UL, 0x84a00940UL, 0xbb243a0fUL, 0xb4d137cfUL, 0xb44e79f0UL, 0x049eedfdUL, +0x0b15a15dUL, 0x480d3168UL, 0x8bbbde5aUL, 0x669ded42UL, 0xc7ece831UL, 0x3f8f95e7UL, 0x72df191bUL, 0x7580330dUL, +0x94074251UL, 0x5c7dcdfaUL, 0xabbe6d63UL, 0xaa402164UL, 0xb301d40aUL, 0x02e7d1caUL, 0x53571daeUL, 0x7a3182a2UL, +0x12a8ddecUL, 0xfdaa335dUL, 0x176f43e8UL, 0x71fb46d4UL, 0x38129022UL, 0xce949ad4UL, 0xb84769adUL, 0x965bd862UL, +0x82f3d055UL, 0x66fb9767UL, 0x15b80b4eUL, 0x1d5b47a0UL, 0x4cfde06fUL, 0xc28ec4b8UL, 0x57e8726eUL, 0x647a78fcUL, +0x99865d44UL, 0x608bd593UL, 0x6c200e03UL, 0x39dc5ff6UL, 0x5d0b00a3UL, 0xae63aff2UL, 0x7e8bd632UL, 0x70108c0cUL, +0xbbd35049UL, 0x2998df04UL, 0x980cf42aUL, 0x9b6df491UL, 0x9e7edd53UL, 0x06918548UL, 0x58cb7e07UL, 0x3b74ef2eUL, +0x522fffb1UL, 0xd24708ccUL, 0x1c7e27cdUL, 0xa4eb215bUL, 0x3cf1d2e2UL, 0x19b47a38UL, 0x424f7618UL, 0x35856039UL, +0x9d17dee7UL, 0x27eb35e6UL, 0xc9aff67bUL, 0x36baf5b8UL, 0x09c467cdUL, 0xc18910b1UL, 0xe11dbf7bUL, 0x06cd1af8UL, +0x7170c608UL, 0x2d5e3354UL, 0xd4de495aUL, 0x64c6d006UL, 0xbcc0c62cUL, 0x3dd00db3UL, 0x708f8f34UL, 0x77d51b42UL, +0x264f620fUL, 0x24b8d2bfUL, 0x15c1b79eUL, 0x46a52564UL, 0xf8d7e54eUL, 0x3e378160UL, 0x7895cda5UL, 0x859c15a5UL, +0xe6459788UL, 0xc37bc75fUL, 0xdb07ba0cUL, 0x0676a3abUL, 0x7f229b1eUL, 0x31842e7bUL, 0x24259fd7UL, 0xf8bef472UL, +0x835ffcb8UL, 0x6df4c1f2UL, 0x96f5b195UL, 0xfd0af0fcUL, 0xb0fe134cUL, 0xe2506d3dUL, 0x4f9b12eaUL, 0xf215f225UL, +0xa223736fUL, 0x9fb4c428UL, 0x25d04979UL, 0x34c713f8UL, 0xc4618187UL, 0xea7a6e98UL, 0x7cd16efcUL, 0x1436876cUL, +0xf1544107UL, 0xbedeee14UL, 0x56e9af27UL, 0xa04aa441UL, 0x3cf7c899UL, 0x92ecbae6UL, 0xdd67016dUL, 0x151682ebUL, +0xa842eedfUL, 0xfdba60b4UL, 0xf1907b75UL, 0x20e3030fUL, 0x24d8c29eUL, 0xe139673bUL, 0xefa63fb8UL, 0x71873054UL, +0xb6f2cf3bUL, 0x9f326442UL, 0xcb15a4ccUL, 0xb01a4504UL, 0xf1e47d8dUL, 0x844a1be5UL, 0xbae7dfdcUL, 0x42cbda70UL, +0xcd7dae0aUL, 0x57e85b7aUL, 0xd53f5af6UL, 0x20cf4d8cUL, 0xcea4d428UL, 0x79d130a4UL, 0x3486ebfbUL, 0x33d3cddcUL, +0x77853b53UL, 0x37effcb5UL, 0xc5068778UL, 0xe580b3e6UL, 0x4e68b8f4UL, 0xc5c8b37eUL, 0x0d809ea2UL, 0x398feb7cUL, +0x132a4f94UL, 0x43b7950eUL, 0x2fee7d1cUL, 0x223613bdUL, 0xdd06caa2UL, 0x37df932bUL, 0xc4248289UL, 0xacf3ebc3UL, +0x5715f6b7UL, 0xef3478ddUL, 0xf267616fUL, 0xc148cbe4UL, 0x9052815eUL, 0x5e410fabUL, 0xb48a2465UL, 0x2eda7fa4UL, +0xe87b40e4UL, 0xe98ea084UL, 0x5889e9e1UL, 0xefd390fcUL, 0xdd07d35bUL, 0xdb485694UL, 0x38d7e5b2UL, 0x57720101UL, +0x730edebcUL, 0x5b643113UL, 0x94917e4fUL, 0x503c2fbaUL, 0x646f1282UL, 0x7523d24aUL, 0xe0779695UL, 0xf9c17a8fUL, +0x7a5b2121UL, 0xd187b896UL, 0x29263a4dUL, 0xba510cdfUL, 0x81f47c9fUL, 0xad1163edUL, 0xea7b5965UL, 0x1a00726eUL, +0x11403092UL, 0x00da6d77UL, 0x4a0cdd61UL, 0xad1f4603UL, 0x605bdfb0UL, 0x9eedc364UL, 0x22ebe6a8UL, 0xcee7d28aUL, +0xa0e736a0UL, 0x5564a6b9UL, 0x10853209UL, 0xc7eb8f37UL, 0x2de705caUL, 0x8951570fUL, 0xdf09822bUL, 0xbd691a6cUL, +0xaa12e4f2UL, 0x87451c0fUL, 0xe0f6a27aUL, 0x3ada4819UL, 0x4cf1764fUL, 0x0d771c2bUL, 0x67cdb156UL, 0x350d8384UL, +0x5938fa0fUL, 0x42399ef3UL, 0x36997b07UL, 0x0e84093dUL, 0x4aa93e61UL, 0x8360d87bUL, 0x1fa98b0cUL, 0x1149382cUL, +0xe97625a5UL, 0x0614d1b7UL, 0x0e25244bUL, 0x0c768347UL, 0x589e8d82UL, 0x0d2059d1UL, 0xa466bb1eUL, 0xf8da0a82UL, +0x04f19130UL, 0xba6e4ec0UL, 0x99265164UL, 0x1ee7230dUL, 0x50b2ad80UL, 0xeaee6801UL, 0x8db2a283UL, 0xea8bf59eUL}; + +#else + +uint32_t s5[] PROGMEM = { +0x040cc97eUL, 0xb9746e2cUL, 0xdf660e9bUL, 0x117933a6UL, 0xff7f6ab8UL, 0xf558d31dUL, 0x449ddd44UL, 0x7f163117UL, +0xfaf1fb08UL, 0xcc11f5e7UL, 0x001b05d2UL, 0x00ba5a73UL, 0xd822b72aUL, 0xcb816338UL, 0x3a24f6acUL, 0x7afdbe69UL, +0x7fe7a2e6UL, 0xcd20c7f0UL, 0x164849c4UL, 0x80c1f5ccUL, 0x40168538UL, 0x48a8b015UL, 0xcb188be6UL, 0xffdeaa4cUL, +0x010a485fUL, 0xaab21204UL, 0xfc149825UL, 0xe2efd041UL, 0x8db4404eUL, 0xfbb68e24UL, 0xfe1cba8dUL, 0x029ba941UL, +0x040a551aUL, 0xcb658fbaUL, 0xe7f45172UL, 0x2517a595UL, 0xd7ec06c1UL, 0x0a98a597UL, 0xaab939c5UL, 0x6afe794dUL, +0x63f7f3f2UL, 0x4080af68UL, 0x569e0cedUL, 0x8b95b411UL, 0x885aebe1UL, 0xb0e60987UL, 0x5671e0d7UL, 0xa7fe294eUL, +0x2de56663UL, 0x00c0d102UL, 0x058eacc4UL, 0x71f57793UL, 0x2a37050cUL, 0xf2358557UL, 0x02be6122UL, 0xc9a042d6UL, +0x80a213dfUL, 0xd25bb574UL, 0xc0992168UL, 0xece521d4UL, 0xe83cfb53UL, 0xb3edadc8UL, 0xc97fa828UL, 0x8199953dUL, +0x00f91f5cUL, 0x99d338feUL, 0x0bff4e0cUL, 0xea072406UL, 0xb14f2faaUL, 0x7669b94fUL, 0x0595c790UL, 0x74a7a8b0UL, +0xffa155efUL, 0xc2a29ce5UL, 0x272db6a6UL, 0x63426ae6UL, 0x1f0065dfUL, 0x6609c50eUL, 0xbc55dddfUL, 0x5506de29UL, +0x9a731e91UL, 0x7589af17UL, 0x1c91c732UL, 0x6894f889UL, 0x80e9010dUL, 0xf4554752UL, 0xc93cb603UL, 0xb244c80cUL, +0xaaf0f3bcUL, 0xe936ac87UL, 0x26743ae5UL, 0x2bd8b301UL, 0x49749e1aUL, 0x7e2dee64UL, 0xdab1dbcdUL, 0x1049c901UL, +0x80bf68b8UL, 0xfdf3260dUL, 0xe7ed4293UL, 0x84c2a504UL, 0xb6376763UL, 0x16b6f550UL, 0xe36647f2UL, 0xc136ca8eUL, +0xdb056e13UL, 0x9183f1feUL, 0x377a88fbUL, 0xd4f7e7d6UL, 0xc97dfbc7UL, 0xdffc6330UL, 0xde89f5b6UL, 0xda4129ecUL, +0x9566e426UL, 0x196456b7UL, 0xc5ef54f6UL, 0xb7588dd0UL, 0x01549248UL, 0x7fcbbac1UL, 0x0f55ffe5UL, 0x493008b6UL, +0xe8d0b55bUL, 0x5a2ed787UL, 0xe16e6aabUL, 0xce663a22UL, 0xcdf32bc6UL, 0xf985089eUL, 0x473ecb68UL, 0x0f016c08UL, +0x20e81da2UL, 0xde698bd1UL, 0x7757f6f3UL, 0xf6c302faUL, 0xc3da7e40UL, 0x50d5b3cbUL, 0x4d089317UL, 0xba0ed7b0UL, +0xd578b30aUL, 0x0cfb51d9UL, 0x56dad7deUL, 0xe4bb2441UL, 0x560bca94UL, 0xd155570fUL, 0x6ee5e1e0UL, 0xbeb58461UL, +0x9f240a58UL, 0xc04bf794UL, 0x8e8827e3UL, 0x61557b9fUL, 0x8002dcc3UL, 0x15776805UL, 0xd76b6c64UL, 0xb34d9044UL, +0xa3f0b466UL, 0x8a64f1c0UL, 0xafd57e69UL, 0xf62fe949UL, 0x4f379e30UL, 0x6a35b62cUL, 0x73858085UL, 0x40f89149UL, +0x02aef076UL, 0x4de83b08UL, 0x9a1c4228UL, 0x06944844UL, 0xb84c6e73UL, 0x102909c1UL, 0xc65fc98bUL, 0xf49c867dUL, +0x6f614f13UL, 0x8d11772eUL, 0xe12b1bb3UL, 0x72b490aaUL, 0x17d7a53cUL, 0xba1b167dUL, 0x1090ad9cUL, 0xa22b46afUL, +0xd259e49fUL, 0x5945d345UL, 0x13daf2d9UL, 0x8754c6dbUL, 0x4ef9e4f3UL, 0x6f486d17UL, 0xea137c09UL, 0xc7a51d63UL, +0x82735f44UL, 0xf4835617UL, 0x976ac6cdUL, 0x8802be70UL, 0x72cfcdb3UL, 0xf3d25d6eUL, 0x79609320UL, 0xa5809b45UL, +0xdbe260beUL, 0x0131c2a9UL, 0x5c31a5ebUL, 0xf2424e22UL, 0x72155c1cUL, 0x2c1b72f6UL, 0xf3ffd21aUL, 0x4e40258cUL, +0x2fd74e32UL, 0xfdb76740UL, 0x8e132305UL, 0x78bca35cUL, 0x6ed60fdcUL, 0x83229275UL, 0x176b4d78UL, 0x6eb1eb58UL, +0x854f0944UL, 0x871d483fUL, 0x7baefefcUL, 0x76ffb577UL, 0xbf02238cUL, 0x5675f4aaUL, 0x2ab0465fUL, 0x0128092bUL, +0xf7f5383dUL, 0x361fa80cUL, 0x8a4aaf52UL, 0xc0e7d566UL, 0x74083bdfUL, 0x10510595UL, 0xa8d75a1bUL, 0xadd51ef6UL, +0x79e4f66cUL, 0x84817520UL, 0x65faced0UL, 0x58bef788UL, 0x2668044aUL, 0xf3f8f60fUL, 0x707f9ca0UL, 0xa0ab4653UL, +0x286ce95cUL, 0xa3ed76e1UL, 0x7f30ac6bUL, 0xd2296837UL, 0xa90f3685UL, 0x2afee317UL, 0x6797b724UL, 0x206ba9f5UL, +0x9525cdd6UL, 0xbf1eff68UL, 0x2c445575UL, 0xbe069ff1UL, 0x9a65e0f9UL, 0x1d49b9eeUL, 0x18070134UL, 0xb8ca30bbUL, +0x15fe22e8UL, 0x83095788UL, 0x49620e75UL, 0x557e62daUL, 0xa8ff765eUL, 0x464553b1UL, 0x08de476dUL, 0xd4e7e9efUL}; + + +uint32_t s6[] PROGMEM = { +0x9d8ffaf6UL, 0xe16cac2cUL, 0x6748a34cUL, 0x7c7f33e2UL, 0xe708db95UL, 0xb4436801UL, 0xbc5cedecUL, 0xac535532UL, +0x60099fbfUL, 0xede2a1dfUL, 0x9d57f083UL, 0xb986ed63UL, 0xb8a6b61aUL, 0x39be5edeUL, 0x32f78ff3UL, 0x38b18989UL, +0x6149f133UL, 0xbd3719c0UL, 0xdac606f5UL, 0x7e5e62e4UL, 0x99ea08a3UL, 0x3ce3234eUL, 0xccd7cb79UL, 0x6743a148UL, +0x199614a3UL, 0xd54bc9feUL, 0x4a1714a1UL, 0x6618a0eaUL, 0x2ddb84a0UL, 0x6f48a809UL, 0x4a6188a8UL, 0x98af0029UL, +0x91596601UL, 0x632899e1UL, 0x600cf3c8UL, 0x3cef782eUL, 0x3219d5d0UL, 0x14ec0fcfUL, 0xd207caf7UL, 0x7220a8d0UL, +0x7e1941fdUL, 0xb0a60593UL, 0xdae36be8UL, 0xcdd3be74UL, 0x3ca52d37UL, 0x48447f4cUL, 0x40d4b5daUL, 0xc30eba6dUL, +0xa7193908UL, 0xd9eeba9fUL, 0xb0cfdb49UL, 0x530c674eUL, 0x019c3d5cUL, 0x41b9bd64UL, 0x6a630e2cUL, 0xcdd97dbaUL, +0x88736feaUL, 0x62c70be7UL, 0xdb9af235UL, 0x8ddd4c5cUL, 0x8c8dd4f0UL, 0xe25381b8UL, 0x6698a108UL, 0xc8eae21aUL, +0x89af4c28UL, 0x238292aaUL, 0x53be3493UL, 0xbf213a3bUL, 0xe34b4316UL, 0x0639ea9aUL, 0x6ec3e8efUL, 0xd9cd90f8UL, +0xae6d2280UL, 0xa3a440c3UL, 0x099c7edfUL, 0x07a894a6UL, 0xcc5e7c5bUL, 0xa6b31d22UL, 0x2fa0699aUL, 0x548a8168UL, +0x6f29b2ceUL, 0x3a84c053UL, 0x553689feUL, 0x8ae6bf25UL, 0xbc8a62b4UL, 0xbf2e22cfUL, 0x486fac25UL, 0x8793a9a9UL, +0x65dbbd53UL, 0xe7fb6fe7UL, 0x78fd67e9UL, 0x6335a90bUL, 0xc12b348eUL, 0xe91ba1e8UL, 0x0d748049UL, 0xfc7d08c8UL, +0x99bfe48dUL, 0xa00111a1UL, 0x7579d37fUL, 0xc0265adaUL, 0x4f991fe8UL, 0x89cd2895UL, 0xed9f33fdUL, 0xbf3478b8UL, +0x6d45045fUL, 0x98862522UL, 0x3bc8c4c9UL, 0xbe56c12dUL, 0xaa8d624fUL, 0xc55ef557UL, 0xbe0a22e2UL, 0xbf6e91d2UL, +0x955bc74eUL, 0xc0c3f224UL, 0x995dd142UL, 0xa07f0dcdUL, 0xff276e7bUL, 0xf08adca8UL, 0x06c14573UL, 0x2f231ef4UL, +0x86231635UL, 0x2689eae6UL, 0x94b03333UL, 0xf2c67e15UL, 0xaf742b37UL, 0xe4732569UL, 0x48d8a9e9UL, 0x890216f3UL, +0x1def623aUL, 0x38e287a7UL, 0x76f6a5f3UL, 0x53483674UL, 0x63109520UL, 0x8d697645UL, 0x07d4fab6UL, 0x50f92a59UL, +0x2335f736UL, 0x876efb4cUL, 0xc0cea47dUL, 0xaa2d156cUL, 0xa89603cbUL, 0x5dfe0dc5UL, 0xab07d7fcUL, 0x2fc42109UL, +0xbbf0df89UL, 0x78bee25fUL, 0x334f8f44UL, 0xc9134675UL, 0x8dd0052bUL, 0x85d5b948UL, 0x419404dcUL, 0x9b8f09c8UL, +0x86e7ed7dUL, 0x73339ac3UL, 0x05004142UL, 0x5117096aUL, 0xa6c8f30eUL, 0xd6720089UL, 0x82762028UL, 0xbef7a9a9UL, +0x9d6732bfUL, 0x755b5bd4UL, 0x00fd53b3UL, 0x58e3b0cbUL, 0x0a220f83UL, 0x14b28f1fUL, 0x08cf72d3UL, 0x134a3cccUL, +0x6631f68cUL, 0xbe871c06UL, 0x888fc988UL, 0x97e36260UL, 0x7a8ecf47UL, 0x8352c8b6UL, 0xfbacc23cUL, 0x7669c03fUL, +0x52028f4eUL, 0x4d31d864UL, 0xe37038daUL, 0x5954661eUL, 0xf00809c1UL, 0xa5213051UL, 0xb7685b6cUL, 0xa08a2f82UL, +0x3ecd0730UL, 0xef9e7174UL, 0x812687dcUL, 0xd4403307UL, 0xd92f437eUL, 0x41c25e0cUL, 0x6c280988UL, 0x91d892f5UL, +0xf630a908UL, 0x05f37e95UL, 0xbdfffbb7UL, 0x6fe966c2UL, 0x98ace46fUL, 0xc0ec73b1UL, 0x2ab460bcUL, 0xda983495UL, +0x12aea1fbUL, 0x36d74b2dUL, 0xabfa250fUL, 0xebfcf3a4UL, 0x239196e2UL, 0x3d0c7f25UL, 0x49af4893UL, 0xbc001436UL, +0x4a6f81e8UL, 0x00f21438UL, 0x4340f9a3UL, 0xc2547a9cUL, 0x574f70bcUL, 0xf9e741daUL, 0x3ad35ac2UL, 0x84a0f454UL, +0x05557fb1UL, 0xbe7c3559UL, 0xc815bdedUL, 0xabc5977fUL, 0xb5c75abaUL, 0xafdef6b6UL, 0x3a9c473aUL, 0x25da0253UL, +0x6a7e3d65UL, 0x498d2654UL, 0xea77a451UL, 0x5bd51750UL, 0x885dd2d7UL, 0x766c1344UL, 0xc8a80404UL, 0x21a1e5b8UL, +0x8a921ab8UL, 0x6958ed60UL, 0x965bc597UL, 0x1b99eceaUL, 0x13599329UL, 0xf1b7fd01UL, 0xfa8d8e08UL, 0xf5f6b69aUL, +0x9fbf4c3bUL, 0xabe35d4aUL, 0x351d05e6UL, 0x55d8e1a0UL, 0xf14c6bd3UL, 0xebed44f5UL, 0x2435e9b0UL, 0xbd8fbbbeUL, +0xcf62d7a2UL, 0x542fc949UL, 0x31f3b538UL, 0x54a42871UL, 0x05293948UL, 0xb81d5ba6UL, 0xbd971c85UL, 0x2fcf75d6UL}; + + +uint32_t s7[] PROGMEM = { +0x1940e085UL, 0x67f52b33UL, 0xffbf2d66UL, 0x9356c6cfUL, 0x6f7f8d2aUL, 0x12c99babUL, 0xa10860deUL, 0x1fda2820UL, +0xe7bc2702UL, 0x1629644dUL, 0x00c3fa18UL, 0x828bf150UL, 0x11cbb22cUL, 0x5ce732b2UL, 0xf295364bUL, 0xde0787b2UL, +0xf6bc5fa0UL, 0xe98141cdUL, 0x0c2150e1UL, 0xbdf14ee2UL, 0x81c368b1UL, 0x89e7e4fdUL, 0xd8b0795cUL, 0x43fd8b1eUL, +0x0150494dUL, 0x4143be38UL, 0x1dee3c91UL, 0x3f9ca792UL, 0xbe669708UL, 0xf4adeebaUL, 0xcfbe8612UL, 0x19cbeab6UL, +0x00c26026UL, 0xe4bd6575UL, 0x7a1f2464UL, 0xa9dc4882UL, 0x66adb3c3UL, 0x86601328UL, 0xa8dfd80bUL, 0xf21c6d35UL, +0xbe897710UL, 0xcee9b2b3UL, 0x8faa0205UL, 0x1e35c00bUL, 0x2af56b16UL, 0x82ff12ebUL, 0x116948e3UL, 0x16754dd3UL, +0xff3a7b4eUL, 0x1b67435fUL, 0x37e0f69cUL, 0x83ac8149UL, 0xce664233UL, 0xb741938cUL, 0xc054d8d0UL, 0x886c3acbUL, +0x2928bc47UL, 0x37ba2547UL, 0x2bd26aa6UL, 0x1e1fd67aUL, 0xfaba5c0cUL, 0x07f13744UL, 0x6299e7b6UL, 0x16d8d242UL, +0x8812960aUL, 0x6ec0a5e1UL, 0x679e7413UL, 0x1a08fc72UL, 0xf739d1b1UL, 0x453758f9UL, 0x58df19cfUL, 0x56f7c3beUL, +0x30ba6ec0UL, 0x241b2107UL, 0x2988c245UL, 0x7f315ec9UL, 0x11c58ebcUL, 0xe946bc38UL, 0x14fae6c6UL, 0x4a58e8baUL, +0x46bc4eadUL, 0x8b508f46UL, 0x5f432978UL, 0x3b1824f1UL, 0x9fba1d82UL, 0xf40ff6afUL, 0x6d4e2ceaUL, 0x6492e316UL, +0x8b4a5492UL, 0xc34f9b00UL, 0xed8ca6abUL, 0x786fc99aUL, 0x9ab7a506UL, 0x6e6e85b2UL, 0xa93cec1aUL, 0x888683beUL, +0xe904080eUL, 0x56bef155UL, 0x3b36e5e7UL, 0x5df2a1b3UL, 0x85bbdef7UL, 0x3c03fe61UL, 0x33627416UL, 0x284c033cUL, +0x740c6ddaUL, 0x6cc5aa79UL, 0xade1e43cUL, 0x02c8f051UL, 0x5af3f898UL, 0x9fa42616UL, 0x292bd8eeUL, 0xe32f381dUL, +0x9ab94f0cUL, 0x785732bbUL, 0x7bd9c63eUL, 0xa9a6776eUL, 0x5c8b65cbUL, 0xc73052d4UL, 0x8b40d12bUL, 0xb73ec060UL, +0x788d06b9UL, 0xf45437a3UL, 0x7dc830f4UL, 0x0213a7c8UL, 0x328c6db9UL, 0xbee7d4ebUL, 0x2d9d8bbeUL, 0x06fb7979UL, +0x085322e7UL, 0x77cf758bUL, 0xa48def11UL, 0x58c883e0UL, 0x6f786b8dUL, 0xa617635aUL, 0xa0f75cfaUL, 0x3300da5dUL, +0xb0bf8ef2UL, 0x10c3b9f5UL, 0x80c2eaa0UL, 0x7a76b908UL, 0xb0d2d9a3UL, 0x1742d379UL, 0x8d711a02UL, 0x6a33c69aUL, +0x60fd1127UL, 0xe3508043UL, 0xa8089906UL, 0xc4ed7f3dUL, 0xef2b6d82UL, 0x7684eb4eUL, 0x25cf8d48UL, 0x66d5c936UL, +0x414ee728UL, 0xca0a61c2UL, 0xcfa9493dUL, 0xdfb9e3baUL, 0xe68d5fb6UL, 0x64afae92UL, 0xe6d5c73aUL, 0x0905a89eUL, +0x7d012bf2UL, 0x703f17a4UL, 0xc3161eddUL, 0xf9d7e015UL, 0x87b8b150UL, 0xd54f9f2bUL, 0x82ba5a62UL, 0x6279016aUL, +0x9c1bc02eUL, 0xa98a4815UL, 0x40e716d7UL, 0x2c5a0540UL, 0x229ad293UL, 0x9abf2de3UL, 0xb9458705UL, 0x1edc5334UL, +0x6e2999d6UL, 0x6fff6c49UL, 0x86499f1cUL, 0x07ede2dfUL, 0xd14272b8UL, 0xae7ede19UL, 0x1a563e05UL, 0x8c6fad15UL, +0x1c6c6266UL, 0x4cc25471UL, 0x2a2b08eaUL, 0x3929eb93UL, 0xf0b0dc17UL, 0xaef2d458UL, 0xfb94a29eUL, 0x4c56cf52UL, +0x66fe8398UL, 0x8105c42eUL, 0xc3533976UL, 0x2e69d601UL, 0x08c1a0d3UL, 0x0e16e7a1UL, 0xa6dff2e4UL, 0x85d23e69UL, +0x98469074UL, 0xdd0e2b4cUL, 0x5676754fUL, 0x7833395dUL, 0x4f2332a1UL, 0x5d1c323dUL, 0x94e1f5c3UL, 0x0193264bUL, +0x2f029fc7UL, 0x7e7e993cUL, 0x04954f5eUL, 0xbdfbfa3fUL, 0x0eadf776UL, 0xf4936629UL, 0x6fce1f3dUL, 0xbe451ec6UL, +0x34abb5d3UL, 0xb7f92bf7UL, 0xc034041bUL, 0x67b5724eUL, 0x3da39255UL, 0x019322b5UL, 0x7fa8d2cfUL, 0x67b7ae60UL, +0x6b381418UL, 0x3dc3bc30UL, 0x7dc0a038UL, 0xf20616fdUL, 0x9b5163c3UL, 0x90d39d58UL, 0xe6f87954UL, 0x47d6b81cUL, +0xa961fd97UL, 0xf45977eaUL, 0x9d53572dUL, 0xcf589a56UL, 0xad634ee8UL, 0x781b2e46UL, 0x7ef88065UL, 0x147981f3UL, +0xf455da91UL, 0xf330a240UL, 0x358f98d1UL, 0xd218e3b6UL, 0xbc50fa3fUL, 0x21f0403dUL, 0xaebdc0c3UL, 0x4cc25849UL, +0xb2368f51UL, 0x70d3b184UL, 0x83ceed0fUL, 0xdada8d87UL, 0xc779a2f2UL, 0xe81be094UL, 0x4b6f7190UL, 0xa38a4b95UL}; + + +uint32_t s8[] PROGMEM = { +0x0d3016e2UL, 0xfcffddbbUL, 0xbddaeba7UL, 0x95806435UL, 0xb7f88977UL, 0x1b12c1e6UL, 0x0016240eUL, 0xb5e82c05UL, +0xb0cfa911UL, 0x112f95e5UL, 0x0a99e7ecUL, 0x74d18693UL, 0x1c93422aUL, 0x1181e376UL, 0x3aef2db1UL, 0xfcdddd37UL, +0xb1de9adeUL, 0x2cc30c0aUL, 0x297019beUL, 0x4009a084UL, 0x0f3a24bbUL, 0xcf37d1b4UL, 0xf0794eb4UL, 0xfded9e04UL, +0x5da1150bUL, 0x68310d48UL, 0x5adebb8bUL, 0x42ed9d66UL, 0x31e8ecc7UL, 0xe7958f3fUL, 0x1b19df72UL, 0x0d338075UL, +0x51420794UL, 0xfacd7d5cUL, 0x636dbeabUL, 0x642140aaUL, 0x0ad401b3UL, 0xcad1e702UL, 0xae1d5753UL, 0xa282317aUL, +0xecdda812UL, 0x5d33aafdUL, 0xe8436f17UL, 0xd446fb71UL, 0x22901238UL, 0xd49a94ceUL, 0xad6947b8UL, 0x62d85b96UL, +0x55d0f382UL, 0x6797fb66UL, 0x4e0bb815UL, 0xa0475b1dUL, 0x6fe0fd4cUL, 0xb8c48ec2UL, 0x6e72e857UL, 0xfc787a64UL, +0x445d8699UL, 0x93d58b60UL, 0x030e206cUL, 0xf65fdc39UL, 0xa3000b5dUL, 0xf2af63aeUL, 0x32d68b7eUL, 0x0c8c1070UL, +0x4950d3bbUL, 0x04df9829UL, 0x2af40c98UL, 0x91f46d9bUL, 0x53dd7e9eUL, 0x48859106UL, 0x077ecb58UL, 0x2eef743bUL, +0xb1ff2f52UL, 0xcc0847d2UL, 0xcd277e1cUL, 0x5b21eba4UL, 0xe2d2f13cUL, 0x387ab419UL, 0x18764f42UL, 0x39608535UL, +0xe7de179dUL, 0xe635eb27UL, 0x7bf6afc9UL, 0xb8f5ba36UL, 0xcd67c409UL, 0xb11089c1UL, 0x7bbf1de1UL, 0xf81acd06UL, +0x08c67071UL, 0x54335e2dUL, 0x5a49ded4UL, 0x06d0c664UL, 0x2cc6c0bcUL, 0xb30dd03dUL, 0x348f8f70UL, 0x421bd577UL, +0x0f624f26UL, 0xbfd2b824UL, 0x9eb7c115UL, 0x6425a546UL, 0x4ee5d7f8UL, 0x6081373eUL, 0xa5cd9578UL, 0xa5159c85UL, +0x889745e6UL, 0x5fc77bc3UL, 0x0cba07dbUL, 0xaba37606UL, 0x1e9b227fUL, 0x7b2e8431UL, 0xd79f2524UL, 0x72f4bef8UL, +0xb8fc5f83UL, 0xf2c1f46dUL, 0x95b1f596UL, 0xfcf00afdUL, 0x4c13feb0UL, 0x3d6d50e2UL, 0xea129b4fUL, 0x25f215f2UL, +0x6f7323a2UL, 0x28c4b49fUL, 0x7949d025UL, 0xf813c734UL, 0x878161c4UL, 0x986e7aeaUL, 0xfc6ed17cUL, 0x6c873614UL, +0x074154f1UL, 0x14eedebeUL, 0x27afe956UL, 0x41a44aa0UL, 0x99c8f73cUL, 0xe6baec92UL, 0x6d0167ddUL, 0xeb821615UL, +0xdfee42a8UL, 0xb460bafdUL, 0x757b90f1UL, 0x0f03e320UL, 0x9ec2d824UL, 0x3b6739e1UL, 0xb83fa6efUL, 0x54308771UL, +0x3bcff2b6UL, 0x4264329fUL, 0xcca415cbUL, 0x04451ab0UL, 0x8d7de4f1UL, 0xe51b4a84UL, 0xdcdfe7baUL, 0x70dacb42UL, +0x0aae7dcdUL, 0x7a5be857UL, 0xf65a3fd5UL, 0x8c4dcf20UL, 0x28d4a4ceUL, 0xa430d179UL, 0xfbeb8634UL, 0xdccdd333UL, +0x533b8577UL, 0xb5fcef37UL, 0x788706c5UL, 0xe6b380e5UL, 0xf4b8684eUL, 0x7eb3c8c5UL, 0xa29e800dUL, 0x7ceb8f39UL, +0x944f2a13UL, 0x0e95b743UL, 0x1c7dee2fUL, 0xbd133622UL, 0xa2ca06ddUL, 0x2b93df37UL, 0x898224c4UL, 0xc3ebf3acUL, +0xb7f61557UL, 0xdd7834efUL, 0x6f6167f2UL, 0xe4cb48c1UL, 0x5e815290UL, 0xab0f415eUL, 0x65248ab4UL, 0xa47fda2eUL, +0xe4407be8UL, 0x84a08ee9UL, 0xe1e98958UL, 0xfc90d3efUL, 0x5bd307ddUL, 0x945648dbUL, 0xb2e5d738UL, 0x01017257UL, +0xbcde0e73UL, 0x1331645bUL, 0x4f7e9194UL, 0xba2f3c50UL, 0x82126f64UL, 0x4ad22375UL, 0x959677e0UL, 0x8f7ac1f9UL, +0x21215b7aUL, 0x96b887d1UL, 0x4d3a2629UL, 0xdf0c51baUL, 0x9f7cf481UL, 0xed6311adUL, 0x65597beaUL, 0x6e72001aUL, +0x92304011UL, 0x776dda00UL, 0x61dd0c4aUL, 0x03461fadUL, 0xb0df5b60UL, 0x64c3ed9eUL, 0xa8e6eb22UL, 0x8ad2e7ceUL, +0xa036e7a0UL, 0xb9a66455UL, 0x09328510UL, 0x378febc7UL, 0xca05e72dUL, 0x0f575189UL, 0x2b8209dfUL, 0x6c1a69bdUL, +0xf2e412aaUL, 0x0f1c4587UL, 0x7aa2f6e0UL, 0x1948da3aUL, 0x4f76f14cUL, 0x2b1c770dUL, 0x56b1cd67UL, 0x84830d35UL, +0x0ffa3859UL, 0xf39e3942UL, 0x077b9936UL, 0x3d09840eUL, 0x613ea94aUL, 0x7bd86083UL, 0x0c8ba91fUL, 0x2c384911UL, +0xa52576e9UL, 0xb7d11406UL, 0x4b24250eUL, 0x4783760cUL, 0x828d9e58UL, 0xd159200dUL, 0x1ebb66a4UL, 0x820adaf8UL, +0x3091f104UL, 0xc04e6ebaUL, 0x64512699UL, 0x0d23e71eUL, 0x80adb250UL, 0x0168eeeaUL, 0x83a2b28dUL, 0x9ef58beaUL}; + + +#endif + + +#endif + diff --git a/cast5.c b/cast5.c new file mode 100644 index 0000000..ebe1ce6 --- /dev/null +++ b/cast5.c @@ -0,0 +1,444 @@ +/* + * File: cast5.c + * Author: Daniel Otte + * Date: 26.07.2006 + * License: GPL + * Description: Implementation of the CAST5 (aka CAST-128) cipher algorithm as described in RFC 2144 + * + */ + //pgm_read_dword + + #include + #include + #include "cast5.h" + #include "config.h" + #include "uart.h" + #include "debug.h" + + #undef DEBUG + +#include "cast5-sbox.h" + + + +#define S5(x) pgm_read_dword(&s5[(x)]) +#define S6(x) pgm_read_dword(&s6[(x)]) +#define S7(x) pgm_read_dword(&s7[(x)]) +#define S8(x) pgm_read_dword(&s8[(x)]) + + +void cast5_init_A(uint8_t *dest, uint8_t *src, bool bmode){ + uint8_t mask = bmode?0x8:0; + *((uint32_t*)(&dest[0x0])) = *((uint32_t*)(&src[0x0^mask])) ^ S5(src[0xD^mask]) ^ S6(src[0xF^mask]) ^ S7(src[0xC^mask]) ^ S8(src[0xE^mask]) ^ S7(src[0x8^mask]); + *((uint32_t*)(&dest[0x4])) = *((uint32_t*)(&src[0x8^mask])) ^ S5(dest[0x0]) ^ S6(dest[0x2]) ^ S7(dest[0x1]) ^ S8(dest[0x3]) ^ S8(src[0xA^mask]); + *((uint32_t*)(&dest[0x8])) = *((uint32_t*)(&src[0xC^mask])) ^ S5(dest[0x7]) ^ S6(dest[0x6]) ^ S7(dest[0x5]) ^ S8(dest[0x4]) ^ S5(src[0x9^mask]); + *((uint32_t*)(&dest[0xC])) = *((uint32_t*)(&src[0x4^mask])) ^ S5(dest[0xA]) ^ S6(dest[0x9]) ^ S7(dest[0xB]) ^ S8(dest[0x8]) ^ S6(src[0xB^mask]); +} + +void cast5_init_M(uint8_t *dest, uint8_t *src, bool nmode, bool xmode){ + uint8_t nmt[] = {0xB, 0xA, 0x9, 0x8, 0xF, 0xE, 0xD, 0xC, 0x3, 0x2, 0x1, 0x0, 0x7, 0x6, 0x5, 0x4}; /* nmode table */ + uint8_t xmt[4][4] = {{0x2, 0x6, 0x9, 0xC}, {0x8, 0xD, 0x3, 0x7}, {0x3, 0x7, 0x8, 0xD}, {0x9, 0xC, 0x2, 0x6}}; + #define NMT(x) (src[nmode?nmt[(x)]:(x)]) + #define XMT(x) (src[xmt[(xmode<<1) + nmode][(x)]]) + *((uint32_t*)(&dest[0x0])) = S5(NMT(0x8)) ^ S6(NMT(0x9)) ^ S7(NMT(0x7)) ^ S8(NMT(0x6)) ^ S5(XMT(0)); + *((uint32_t*)(&dest[0x4])) = S5(NMT(0xA)) ^ S6(NMT(0xB)) ^ S7(NMT(0x5)) ^ S8(NMT(0x4)) ^ S6(XMT(1)); + *((uint32_t*)(&dest[0x8])) = S5(NMT(0xC)) ^ S6(NMT(0xD)) ^ S7(NMT(0x3)) ^ S8(NMT(0x2)) ^ S7(XMT(2)); + *((uint32_t*)(&dest[0xC])) = S5(NMT(0xE)) ^ S6(NMT(0xF)) ^ S7(NMT(0x1)) ^ S8(NMT(0x0)) ^ S8(XMT(3)); +} + +#define S5B(x) pgm_read_byte(3+(uint8_t*)(&s5[(x)])) +#define S6B(x) pgm_read_byte(3+(uint8_t*)(&s6[(x)])) +#define S7B(x) pgm_read_byte(3+(uint8_t*)(&s7[(x)])) +#define S8B(x) pgm_read_byte(3+(uint8_t*)(&s8[(x)])) + +void cast5_init_rM(uint8_t *klo, uint8_t *khi, uint8_t offset, uint8_t *src, bool nmode, bool xmode){ + uint8_t nmt[] = {0xB, 0xA, 0x9, 0x8, 0xF, 0xE, 0xD, 0xC, 0x3, 0x2, 0x1, 0x0, 0x7, 0x6, 0x5, 0x4}; /* nmode table */ + uint8_t xmt[4][4] = {{0x2, 0x6, 0x9, 0xC}, {0x8, 0xD, 0x3, 0x7}, {0x3, 0x7, 0x8, 0xD}, {0x9, 0xC, 0x2, 0x6}}; + uint8_t t, h=0; + t = S5B(NMT(0x8)) ^ S6B(NMT(0x9)) ^ S7B(NMT(0x7)) ^ S8B(NMT(0x6)) ^ S5B(XMT(0)); + klo[offset*2] |= (t & 0x0f); + h |= (t&0x10); h>>=1; + t = S5B(NMT(0xA)) ^ S6B(NMT(0xB)) ^ S7B(NMT(0x5)) ^ S8B(NMT(0x4)) ^ S6B(XMT(1)); + klo[offset*2] |= (t<<4) & 0xf0; + h |= t&0x10; h>>=1; + t = S5B(NMT(0xC)) ^ S6B(NMT(0xD)) ^ S7B(NMT(0x3)) ^ S8B(NMT(0x2)) ^ S7B(XMT(2)); + klo[offset*2+1] |= t&0xf; + h |= t&0x10; h>>=1; + t = S5B(NMT(0xE)) ^ S6B(NMT(0xF)) ^ S7B(NMT(0x1)) ^ S8B(NMT(0x0)) ^ S8B(XMT(3)); + klo[offset*2+1] |= t<<4; + h |= t&0x10; h >>=1; + #ifdef DEBUG + uart_putstr("\r\n\t h="); uart_hexdump(&h,1); + #endif + khi[offset>>1] |= h<<((offset&0x1)?4:0); +} + +#define S_5X(s) pgm_read_dword(&s5[BPX[(s)]]) +#define S_6X(s) pgm_read_dword(&s6[BPX[(s)]]) +#define S_7X(s) pgm_read_dword(&s7[BPX[(s)]]) +#define S_8X(s) pgm_read_dword(&s8[BPX[(s)]]) + +#define S_5Z(s) pgm_read_dword(&s5[BPZ[(s)]]) +#define S_6Z(s) pgm_read_dword(&s6[BPZ[(s)]]) +#define S_7Z(s) pgm_read_dword(&s7[BPZ[(s)]]) +#define S_8Z(s) pgm_read_dword(&s8[BPZ[(s)]]) + + + + +void cast5_init(cast5_ctx_t* s, uint8_t* key, uint8_t keylength){ + /* we migth return if the key is valid and if setup was sucessfull */ + uint32_t x[4], z[4]; + #define BPX ((uint8_t*)&(x[0])) + #define BPZ ((uint8_t*)&(z[0])) + s->shortkey = (keylength<=80); + /* littel endian only! */ + memset(&(x[0]), 0 ,16); /* set x to zero */ + memcpy(&(x[0]), key, keylength/8); + + + /* todo: merge a and b and compress the whole stuff */ + /***** A *****/ + cast5_init_A((uint8_t*)(&z[0]), (uint8_t*)(&x[0]), false); + /***** M *****/ + cast5_init_M((uint8_t*)(&(s->mask[0])), (uint8_t*)(&z[0]), false, false); + /***** B *****/ + cast5_init_A((uint8_t*)(&x[0]), (uint8_t*)(&z[0]), true); + /***** N *****/ + cast5_init_M((uint8_t*)(&(s->mask[4])), (uint8_t*)(&x[0]), true, false); + /***** A *****/ + cast5_init_A((uint8_t*)(&z[0]), (uint8_t*)(&x[0]), false); + /***** N' *****/ + cast5_init_M((uint8_t*)(&(s->mask[8])), (uint8_t*)(&z[0]), true, true); + /***** B *****/ + cast5_init_A((uint8_t*)(&x[0]), (uint8_t*)(&z[0]), true); + /***** M' *****/ + cast5_init_M((uint8_t*)(&(s->mask[12])), (uint8_t*)(&x[0]), false, true); + + /* that were the masking keys, now the rotation keys */ + /* set the keys to zero */ + memset(&(s->rotl[0]),0,8); + s->roth[0]=s->roth[1]=0; + /***** A *****/ + cast5_init_A((uint8_t*)(&z[0]), (uint8_t*)(&x[0]), false); + /***** M *****/ + cast5_init_rM(&(s->rotl[0]), &(s->roth[0]), 0, (uint8_t*)(&z[0]), false, false); + /***** B *****/ + cast5_init_A((uint8_t*)(&x[0]), (uint8_t*)(&z[0]), true); + /***** N *****/ + cast5_init_rM(&(s->rotl[0]), &(s->roth[0]), 1, (uint8_t*)(&x[0]), true, false); + /***** A *****/ + cast5_init_A((uint8_t*)(&z[0]), (uint8_t*)(&x[0]), false); + /***** N' *****/ + cast5_init_rM(&(s->rotl[0]), &(s->roth[0]), 2, (uint8_t*)(&z[0]), true, true); + /***** B *****/ + cast5_init_A((uint8_t*)(&x[0]), (uint8_t*)(&z[0]), true); + /***** M' *****/ + cast5_init_rM(&(s->rotl[0]), &(s->roth[0]), 3, (uint8_t*)(&x[0]), false, true); + /* done ;-) */ +} + + + +/********************************************************************************************************/ + +#define ROTL32(a,n) ((a)<<(n) | (a)>>(32-(n))) +#define CHANGE_ENDIAN32(x) ((x)<<24 | (x)>>24 | ((x)&0xff00)<<8 | ((x)&0xff0000)>>8 ) + +typedef uint32_t cast5_f_t(uint32_t,uint32_t,uint8_t); + +#define IA 3 +#define IB 2 +#define IC 1 +#define ID 0 + + +uint32_t cast5_f1(uint32_t d, uint32_t m, uint8_t r){ + uint32_t t; + t = ROTL32((d + m),r); +#ifdef DEBUG + uint32_t ia,ib,ic,id; + uart_putstr("\r\n f1("); uart_hexdump(&d, 4); uart_putc(','); + uart_hexdump(&m , 4); uart_putc(','); uart_hexdump(&r, 1);uart_putstr("): I="); + uart_hexdump(&t, 4); + ia = pgm_read_dword(&s1[((uint8_t*)&t)[IA]] ); + ib = pgm_read_dword(&s2[((uint8_t*)&t)[IB]] ); + ic = pgm_read_dword(&s3[((uint8_t*)&t)[IC]] ); + id = pgm_read_dword(&s4[((uint8_t*)&t)[ID]] ); + uart_putstr("\r\n\tIA="); uart_hexdump(&ia, 4); + uart_putstr("\r\n\tIB="); uart_hexdump(&ib, 4); + uart_putstr("\r\n\tIC="); uart_hexdump(&ic, 4); + uart_putstr("\r\n\tID="); uart_hexdump(&id, 4); + + return (((ia ^ ib) - ic) + id); + +#else + + return (((pgm_read_dword(&s1[((uint8_t*)&t)[IA]] ) ^ pgm_read_dword(&s2[((uint8_t*)&t)[IB]] )) + - pgm_read_dword(&s3[((uint8_t*)&t)[IC]] )) + pgm_read_dword(&s4[((uint8_t*)&t)[ID]])); + +#endif +} + + +uint32_t cast5_f2(uint32_t d, uint32_t m, uint8_t r){ + uint32_t t; + t = ROTL32((d ^ m),r); +#ifdef DEBUG + uint32_t ia,ib,ic,id; + uart_putstr("\r\n f2("); uart_hexdump(&d, 4); uart_putc(','); + uart_hexdump(&m , 4); uart_putc(','); uart_hexdump(&r, 1);uart_putstr("): I="); + uart_hexdump(&t, 4); + + ia = pgm_read_dword(&s1[((uint8_t*)&t)[IA]] ); + ib = pgm_read_dword(&s2[((uint8_t*)&t)[IB]] ); + ic = pgm_read_dword(&s3[((uint8_t*)&t)[IC]] ); + id = pgm_read_dword(&s4[((uint8_t*)&t)[ID]] ); + + uart_putstr("\r\n\tIA="); uart_hexdump(&ia, 4); + uart_putstr("\r\n\tIB="); uart_hexdump(&ib, 4); + uart_putstr("\r\n\tIC="); uart_hexdump(&ic, 4); + uart_putstr("\r\n\tID="); uart_hexdump(&id, 4); + + return (((ia - ib) + ic) ^ id); +#else + + return (((pgm_read_dword(&s1[((uint8_t*)&t)[IA]] ) - pgm_read_dword(&s2[((uint8_t*)&t)[IB]] )) + + pgm_read_dword(&s3[((uint8_t*)&t)[IC]] )) ^ pgm_read_dword(&s4[((uint8_t*)&t)[ID]])); + +#endif +} + +uint32_t cast5_f3(uint32_t d, uint32_t m, uint8_t r){ + uint32_t t; + t = ROTL32((m - d),r); + +#ifdef DEBUG + uint32_t ia,ib,ic,id; + + uart_putstr("\r\n f3("); uart_hexdump(&d, 4); uart_putc(','); + uart_hexdump(&m , 4); uart_putc(','); uart_hexdump(&r, 1);uart_putstr("): I="); + uart_hexdump(&t, 4); + + ia = pgm_read_dword(&s1[((uint8_t*)&t)[IA]] ); + ib = pgm_read_dword(&s2[((uint8_t*)&t)[IB]] ); + ic = pgm_read_dword(&s3[((uint8_t*)&t)[IC]] ); + id = pgm_read_dword(&s4[((uint8_t*)&t)[ID]] ); + + uart_putstr("\r\n\tIA="); uart_hexdump(&ia, 4); + uart_putstr("\r\n\tIB="); uart_hexdump(&ib, 4); + uart_putstr("\r\n\tIC="); uart_hexdump(&ic, 4); + uart_putstr("\r\n\tID="); uart_hexdump(&id, 4); + return (((ia + ib) ^ ic) - id); +#else + return ((pgm_read_dword(&s1[((uint8_t*)&t)[IA]] ) + pgm_read_dword(&s2[((uint8_t*)&t)[IB]] )) + ^ pgm_read_dword(&s3[((uint8_t*)&t)[IC]] )) - pgm_read_dword(&s4[((uint8_t*)&t)[ID]] ); + +#endif +} + + + +void cast5_enc(cast5_ctx_t *s, void* block){ + uint32_t l,r, x, y; + uint8_t i; + cast5_f_t* f[]={cast5_f1,cast5_f2,cast5_f3}; + l=((uint32_t*)block)[0]; + r=((uint32_t*)block)[1]; +// uart_putstr("\r\n round[-1] = "); +// uart_hexdump(&r, 4); + for (i=0;i<(s->shortkey?12:16);++i){ + x = r; + y = (f[i%3])(CHANGE_ENDIAN32(r), CHANGE_ENDIAN32(s->mask[i]), + (((s->roth[i>>3]) & (1<<(i&0x7)))?0x10:0x00) + + ( ((s->rotl[i>>1])>>((i&1)?4:0)) & 0x0f) ); + r = l ^ CHANGE_ENDIAN32(y); +// uart_putstr("\r\n round["); DEBUG_B(i); uart_putstr("] = "); +// uart_hexdump(&r, 4); + l = x; + } + ((uint32_t*)block)[0]=r; + ((uint32_t*)block)[1]=l; +} + + +void cast5_dec(cast5_ctx_t *s, void* block){ + uint32_t l,r, x, y; + int8_t i, rounds; + cast5_f_t* f[]={cast5_f1,cast5_f2,cast5_f3}; + l=((uint32_t*)block)[0]; + r=((uint32_t*)block)[1]; + rounds = (s->shortkey?12:16); + for (i=rounds-1; i>=0 ;--i){ + x = r; + y = (f[i%3])(CHANGE_ENDIAN32(r), CHANGE_ENDIAN32(s->mask[i]), + (((s->roth[i>>3]) & (1<<(i&0x7)))?0x10:0x00) + + ( ((s->rotl[i>>1])>>((i&1)?4:0)) & 0x0f) ); + r = l ^ CHANGE_ENDIAN32(y); + l = x; + } + ((uint32_t*)block)[0]=r; + ((uint32_t*)block)[1]=l; +} + + +/*********************************************************************************************************/ +/*********************************************************************************************************/ +/*********************************************************************************************************/ + +#if 0 + +void cast5_old_init(cast5_ctx_t* s, uint8_t* key, uint8_t keylength){ + /* we migth return if the key is valid and if setup was sucessfull */ + uint32_t x[4], z[4], t; + #define BPX ((uint8_t*)&(x[0])) + #define BPZ ((uint8_t*)&(z[0])) + s->shortkey = (keylength<=80); + /* littel endian only! */ + memset(&(x[0]), 0 ,16); /* set x to zero */ + memcpy(&(x[0]), key, keylength/8); + + + /* todo: merge a and b and compress the whole stuff */ + /***** A *****/ + z[0] = x[0] ^ S_5X(0xD) ^ S_6X(0xF) ^ S_7X(0xC) ^ S_8X(0xE) ^ S_7X(0x8); + z[1] = x[2] ^ S_5Z(0x0) ^ S_6Z(0x2) ^ S_7Z(0x1) ^ S_8Z(0x3) ^ S_8X(0xA); + z[2] = x[3] ^ S_5Z(0x7) ^ S_6Z(0x6) ^ S_7Z(0x5) ^ S_8Z(0x4) ^ S_5X(0x9); + z[3] = x[1] ^ S_5Z(0xA) ^ S_6Z(0x9) ^ S_7Z(0xB) ^ S_8Z(0x8) ^ S_6X(0xB); + /***** M *****/ + s->mask[0] = S_5Z(0x8) ^ S_6Z(0x9) ^ S_7Z(0x7) ^ S_8Z(0x6) ^ S_5Z(0x2); + s->mask[1] = S_5Z(0xA) ^ S_6Z(0xB) ^ S_7Z(0x5) ^ S_8Z(0x4) ^ S_6Z(0x6); + s->mask[2] = S_5Z(0xC) ^ S_6Z(0xD) ^ S_7Z(0x3) ^ S_8Z(0x2) ^ S_7Z(0x9); + s->mask[3] = S_5Z(0xE) ^ S_6Z(0xF) ^ S_7Z(0x1) ^ S_8Z(0x0) ^ S_8Z(0xC); + /***** B *****/ + x[0] = z[2] ^ S_5Z(0x5) ^ S_6Z(0x7) ^ S_7Z(0x4) ^ S_8Z(0x6) ^ S_7Z(0x0); + x[1] = z[0] ^ S_5X(0x0) ^ S_6X(0x2) ^ S_7X(0x1) ^ S_8X(0x3) ^ S_8Z(0x2); + x[2] = z[1] ^ S_5X(0x7) ^ S_6X(0x6) ^ S_7X(0x5) ^ S_8X(0x4) ^ S_5Z(0x1); + x[3] = z[3] ^ S_5X(0xA) ^ S_6X(0x9) ^ S_7X(0xB) ^ S_8X(0x8) ^ S_6Z(0x3); + /***** N *****/ + s->mask[4] = S_5X(0x3) ^ S_6X(0x2) ^ S_7X(0xC) ^ S_8X(0xD) ^ S_5X(0x8); + s->mask[5] = S_5X(0x1) ^ S_6X(0x0) ^ S_7X(0xE) ^ S_8X(0xF) ^ S_6X(0xD); + s->mask[6] = S_5X(0x7) ^ S_6X(0x6) ^ S_7X(0x8) ^ S_8X(0x9) ^ S_7X(0x3); + s->mask[7] = S_5X(0x5) ^ S_6X(0x4) ^ S_7X(0xA) ^ S_8X(0xB) ^ S_8X(0x7); + /***** A *****/ + z[0] = x[0] ^ S_5X(0xD) ^ S_6X(0xF) ^ S_7X(0xC) ^ S_8X(0xE) ^ S_7X(0x8); + z[1] = x[2] ^ S_5Z(0x0) ^ S_6Z(0x2) ^ S_7Z(0x1) ^ S_8Z(0x3) ^ S_8X(0xA); + z[2] = x[3] ^ S_5Z(0x7) ^ S_6Z(0x6) ^ S_7Z(0x5) ^ S_8Z(0x4) ^ S_5X(0x9); + z[3] = x[1] ^ S_5Z(0xA) ^ S_6Z(0x9) ^ S_7Z(0xB) ^ S_8Z(0x8) ^ S_6X(0xB); + /***** N' *****/ + s->mask[8] = S_5Z(0x3) ^ S_6Z(0x2) ^ S_7Z(0xC) ^ S_8Z(0xD) ^ S_5Z(0x9); + s->mask[9] = S_5Z(0x1) ^ S_6Z(0x0) ^ S_7Z(0xE) ^ S_8Z(0xF) ^ S_6Z(0xC); + s->mask[10] = S_5Z(0x7) ^ S_6Z(0x6) ^ S_7Z(0x8) ^ S_8Z(0x9) ^ S_7Z(0x2); + s->mask[11] = S_5Z(0x5) ^ S_6Z(0x4) ^ S_7Z(0xA) ^ S_8Z(0xB) ^ S_8Z(0x6); + /***** B *****/ + x[0] = z[2] ^ S_5Z(0x5) ^ S_6Z(0x7) ^ S_7Z(0x4) ^ S_8Z(0x6) ^ S_7Z(0x0); + x[1] = z[0] ^ S_5X(0x0) ^ S_6X(0x2) ^ S_7X(0x1) ^ S_8X(0x3) ^ S_8Z(0x2); + x[2] = z[1] ^ S_5X(0x7) ^ S_6X(0x6) ^ S_7X(0x5) ^ S_8X(0x4) ^ S_5Z(0x1); + x[3] = z[3] ^ S_5X(0xA) ^ S_6X(0x9) ^ S_7X(0xB) ^ S_8X(0x8) ^ S_6Z(0x3); + /***** M' *****/ + s->mask[12] = S_5X(0x8) ^ S_6X(0x9) ^ S_7X(0x7) ^ S_8X(0x6) ^ S_5X(0x3); + s->mask[13] = S_5X(0xA) ^ S_6X(0xB) ^ S_7X(0x5) ^ S_8X(0x4) ^ S_6X(0x7); + s->mask[14] = S_5X(0xC) ^ S_6X(0xD) ^ S_7X(0x3) ^ S_8X(0x2) ^ S_7X(0x8); + s->mask[15] = S_5X(0xE) ^ S_6X(0xF) ^ S_7X(0x1) ^ S_8X(0x0) ^ S_8X(0xD); + + /* that were the masking keys, now the rotation keys */ + /* set the keys to zero */ + memset(&(s->rotl[0]),0,8); + s->roth[0]=s->roth[1]=0; + /***** A *****/ + z[0] = x[0] ^ S_5X(0xD) ^ S_6X(0xF) ^ S_7X(0xC) ^ S_8X(0xE) ^ S_7X(0x8); + z[1] = x[2] ^ S_5Z(0x0) ^ S_6Z(0x2) ^ S_7Z(0x1) ^ S_8Z(0x3) ^ S_8X(0xA); + z[2] = x[3] ^ S_5Z(0x7) ^ S_6Z(0x6) ^ S_7Z(0x5) ^ S_8Z(0x4) ^ S_5X(0x9); + z[3] = x[1] ^ S_5Z(0xA) ^ S_6Z(0x9) ^ S_7Z(0xB) ^ S_8Z(0x8) ^ S_6X(0xB); + /***** M *****/ + t = S_5Z(0x8) ^ S_6Z(0x9) ^ S_7Z(0x7) ^ S_8Z(0x6) ^ S_5Z(0x2); + t >>= 24; + s->rotl[0] |= t & 0x0f; + s->roth[0] |= (t >> 4) & (1<<0); + t = S_5Z(0xA) ^ S_6Z(0xB) ^ S_7Z(0x5) ^ S_8Z(0x4) ^ S_6Z(0x6); + t >>= 24; + s->rotl[0] |= (t<<4) & 0xf0; + s->roth[0] |= (t >> 3) & (1<<1); + t = S_5Z(0xC) ^ S_6Z(0xD) ^ S_7Z(0x3) ^ S_8Z(0x2) ^ S_7Z(0x9); + t >>= 24; + s->rotl[1] |= t & 0x0f; + s->roth[0] |= (t >> 2) & (1<<2); + t = S_5Z(0xE) ^ S_6Z(0xF) ^ S_7Z(0x1) ^ S_8Z(0x0) ^ S_8Z(0xC); + t >>= 24; + s->rotl[1] |= (t<<4) & 0xf0; + s->roth[0] |= (t >> 1) & (1<<3); + /***** B *****/ + x[0] = z[2] ^ S_5Z(0x5) ^ S_6Z(0x7) ^ S_7Z(0x4) ^ S_8Z(0x6) ^ S_7Z(0x0); + x[1] = z[0] ^ S_5X(0x0) ^ S_6X(0x2) ^ S_7X(0x1) ^ S_8X(0x3) ^ S_8Z(0x2); + x[2] = z[1] ^ S_5X(0x7) ^ S_6X(0x6) ^ S_7X(0x5) ^ S_8X(0x4) ^ S_5Z(0x1); + x[3] = z[3] ^ S_5X(0xA) ^ S_6X(0x9) ^ S_7X(0xB) ^ S_8X(0x8) ^ S_6Z(0x3); + /***** N *****/ + t = S_5X(0x3) ^ S_6X(0x2) ^ S_7X(0xC) ^ S_8X(0xD) ^ S_5X(0x8); + t >>= 24; + s->rotl[2] |= t & 0x0f; + s->roth[0] |= t & (1<<4); + t = S_5X(0x1) ^ S_6X(0x0) ^ S_7X(0xE) ^ S_8X(0xF) ^ S_6X(0xD); + t >>= 24; + s->rotl[2] |= (t<<4) & 0xf0; + s->roth[0] |= (t<<1) & (1<<5); + t = S_5X(0x7) ^ S_6X(0x6) ^ S_7X(0x8) ^ S_8X(0x9) ^ S_7X(0x3); + t >>= 24; + s->rotl[3] |= t & 0x0f; + s->roth[0] |= (t<<2) & (1<<6); + t = S_5X(0x5) ^ S_6X(0x4) ^ S_7X(0xA) ^ S_8X(0xB) ^ S_8X(0x7); + t >>= 24; + s->rotl[3] |= (t<<4) & 0xf0; + s->roth[0] |= (t<<3) & (1<<7); + /***** A *****/ + z[0] = x[0] ^ S_5X(0xD) ^ S_6X(0xF) ^ S_7X(0xC) ^ S_8X(0xE) ^ S_7X(0x8); + z[1] = x[2] ^ S_5Z(0x0) ^ S_6Z(0x2) ^ S_7Z(0x1) ^ S_8Z(0x3) ^ S_8X(0xA); + z[2] = x[3] ^ S_5Z(0x7) ^ S_6Z(0x6) ^ S_7Z(0x5) ^ S_8Z(0x4) ^ S_5X(0x9); + z[3] = x[1] ^ S_5Z(0xA) ^ S_6Z(0x9) ^ S_7Z(0xB) ^ S_8Z(0x8) ^ S_6X(0xB); + /***** N' *****/ + t = S_5Z(0x3) ^ S_6Z(0x2) ^ S_7Z(0xC) ^ S_8Z(0xD) ^ S_5Z(0x9); + t >>= 24; + s->rotl[4] |= t & 0x0f; + s->roth[1] |= (t>>4) & (1<<0); + t = S_5Z(0x1) ^ S_6Z(0x0) ^ S_7Z(0xE) ^ S_8Z(0xF) ^ S_6Z(0xC); + t >>= 24; + s->rotl[4] |= (t<<4) & 0xf0; + s->roth[1] |= (t>>3) & (1<<1); + t = S_5Z(0x7) ^ S_6Z(0x6) ^ S_7Z(0x8) ^ S_8Z(0x9) ^ S_7Z(0x2); + t >>= 24; + s->rotl[5] |= t & 0x0f; + s->roth[1] |= (t>>2) & (1<<2); + t = S_5Z(0x5) ^ S_6Z(0x4) ^ S_7Z(0xA) ^ S_8Z(0xB) ^ S_8Z(0x6); + t >>= 24; + s->rotl[5] |= (t<<4) & 0xf0; + s->roth[1] |= (t>>1) & (1<<3); + /***** B *****/ + x[0] = z[2] ^ S_5Z(0x5) ^ S_6Z(0x7) ^ S_7Z(0x4) ^ S_8Z(0x6) ^ S_7Z(0x0); + x[1] = z[0] ^ S_5X(0x0) ^ S_6X(0x2) ^ S_7X(0x1) ^ S_8X(0x3) ^ S_8Z(0x2); + x[2] = z[1] ^ S_5X(0x7) ^ S_6X(0x6) ^ S_7X(0x5) ^ S_8X(0x4) ^ S_5Z(0x1); + x[3] = z[3] ^ S_5X(0xA) ^ S_6X(0x9) ^ S_7X(0xB) ^ S_8X(0x8) ^ S_6Z(0x3); + /***** M' *****/ + t = S_5X(0x8) ^ S_6X(0x9) ^ S_7X(0x7) ^ S_8X(0x6) ^ S_5X(0x3); + t >>= 24; + s->rotl[6] |= t & 0x0f; + s->roth[1] |= t & (1<<4); + t = S_5X(0xA) ^ S_6X(0xB) ^ S_7X(0x5) ^ S_8X(0x4) ^ S_6X(0x7); + t >>= 24; + s->rotl[6] |= (t<<4) & 0xf0; + s->roth[1] |= (t<<1) & (1<<5); + t = S_5X(0xC) ^ S_6X(0xD) ^ S_7X(0x3) ^ S_8X(0x2) ^ S_7X(0x8); + t >>= 24; + s->rotl[7] |= t & 0x0f; + s->roth[1] |= (t<<2) & (1<<6); + t = S_5X(0xE) ^ S_6X(0xF) ^ S_7X(0x1) ^ S_8X(0x0) ^ S_8X(0xD); + t >>= 24; + s->rotl[7] |= (t<<4) & 0xf0; + s->roth[1] |= (t<<3) & (1<<7); + + /* done ;-) */ +} + +#endif + + + + diff --git a/cast5.h b/cast5.h new file mode 100644 index 0000000..8f34ced --- /dev/null +++ b/cast5.h @@ -0,0 +1,40 @@ +/* + * File: cast5.h + * Author: Daniel Otte + * Date: 26.07.2006 + * License: GPL + * Description: Implementation of the CAST5 (aka CAST-128) cipher algorithm as described in RFC 2144 + * + */ +#ifndef CAST5_H_ +#define CAST5_H_ + +#include + +#ifndef BOOL +#define BOOL + #ifndef __BOOL + #define __BOOL + #ifndef __BOOL__ + #define __BOOL__ + typedef enum{false=0,true=1} bool; + #endif + #endif +#endif + + +typedef struct cast5_ctx_st{ + uint32_t mask[16]; + uint8_t rotl[8]; /* 4 bit from every rotation key is stored here */ + uint8_t roth[2]; /* 1 bit from every rotation key is stored here */ + bool shortkey; +} cast5_ctx_t; + +void cast5_init(cast5_ctx_t* s, uint8_t* key, uint8_t keylength); +void cast5_enc(cast5_ctx_t *s, void* block); +void cast5_dec(cast5_ctx_t *s, void* block); + + + +#endif + diff --git a/config.h b/config.h new file mode 100644 index 0000000..58e9b04 --- /dev/null +++ b/config.h @@ -0,0 +1,27 @@ +#ifndef __CONFIG_H__ +#define __CONFIG_H__ +#include + +#define F_CPU 16000000 // Oszillator-Frequenz in Hz + +#define DEBUG uart + +//c uart.[ch] defines +#define UART_INTERRUPT 1 +#define UART_BAUD_RATE 2400 +#define UART_RXBUFSIZE 16 +#define UART_TXBUFSIZE 16 +#define UART_LINE_BUFFER_SIZE 40 +#undef UART_LEDS +/* +#define UART_HWFLOWCONTROL +#define UART_RTS_PORT PORTA +#define UART_RTS_DDR DDRA +#define UART_CTS_PIN PINA +#define UART_CTS_DDR DDRA +#define UART_RTS_BIT 0 +#define UART_CTS_BIT 1 +*/ + +#endif + diff --git a/debug.c b/debug.c new file mode 100644 index 0000000..1507e94 --- /dev/null +++ b/debug.c @@ -0,0 +1,46 @@ +/*************************** +* +* +* +****************************/ +#include "config.h" + +#if DEBUG == uart + #include "uart.h" +#else + #error "Your DEBUG methode is not suported!" +#endif + +#ifdef DEBUG + void debug_init(void){ + #if DBUG==uart + uart_init(); + #else + #error "Your DEBUG methode is not suported!" + #endif + } + + void debug_char(char c){ + static char initialised = 0; + if (!initialised){ + uart_init(); + initialised=1; + } + uart_putc(c); + } + + void debug_str(char* s){ + while (*s) + debug_char(*s++); + } + + + + void debug_byte(char b){ + char table[] = "0123456789ABCDEF"; + debug_char(table[(b>>4) & 0xf]); + debug_char(table[b&0xf]); + } + +#endif //DEBUG + diff --git a/debug.h b/debug.h new file mode 100644 index 0000000..c75dad6 --- /dev/null +++ b/debug.h @@ -0,0 +1,22 @@ +#ifndef DEBUG_H_ +#define DEBUG_H_ + +#ifdef DEBUG + #define DEBUG_INIT() debug_init() + #define DEBUG_C(_c) debug_char(_c) + #define DEBUG_S(_s) debug_str(_s) + #define DEBUG_B(_b) debug_byte(_b) +#else + #define DEBUG_INIT() + #define DEBUG_C(_c) + #define DEBUG_S(_s) + #define DEBUG_B(_b) +#endif + + +void debug_init(void); +void debug_char(char); +void debug_str(char*); +void debug_byte(char); + +#endif /*DEBUG_H_*/ diff --git a/hmac-sha256.c b/hmac-sha256.c new file mode 100644 index 0000000..3483f12 --- /dev/null +++ b/hmac-sha256.c @@ -0,0 +1,109 @@ +/** + * + * implementation of HMAC as described in RFC2104 + * Author: Daniel Otte + * + * License: GPL + **/ + +/* + * hmac = hash ( k^opad , hash( k^ipad , msg)) + */ + +#include +#include +#include "sha256.h" + +#define IPAD 0x36 +#define OPAD 0x5C + +typedef sha256_ctx_t hmac_sha256_ctx_t; + +void hmac_sha256_init(hmac_sha256_ctx_t *s, void* key, uint16_t kl){ + uint8_t buffer[SHA256_BLOCK_BITS/8]; + uint8_t i; + + if (kl > SHA256_BLOCK_BITS){ + sha256((void*)buffer, key, kl); + } else { + memcpy(buffer, key, kl/8 + (kl & 0x7)?1:0); + } + + for (i=0; i SHA256_BLOCK_BITS){ + sha256((void*)buffer, key, kl); + } else { + memcpy(buffer, key, kl/8 + (kl & 0x7)?1:0); + } + + for (i=0; i SHA256_BLOCK_BITS){ + sha256((void*)buffer, key, kl); + } else { + memcpy(buffer, key, kl/8 + (kl & 0x7)?1:0); + } + + for (i=0; i= SHA256_BLOCK_BITS){ + sha256_nextBlock(&s, msg); + msg += SHA256_BLOCK_BITS/8; + ml -= SHA256_BLOCK_BITS; + } + sha256_lastBlock(&s, msg, ml); + /* since buffer still contains key xor ipad we can do ... */ + for (i=0; i +#include + + +/***************************************************************************** + * additional validation-functions * + *****************************************************************************/ + +/***************************************************************************** + * self tests * + *****************************************************************************/ + +void cast5_ctx_dump(cast5_ctx_t *s){ + uint8_t i; + uart_putstr("\r\n==== cast5_ctx_dump ====\r\n shortkey: "); + uart_putstr(s->shortkey?"yes":"no"); + for(i=0;i<16;++i){ + uint8_t r; + uart_putstr("\r\n Km"); uart_hexdump(&i, 1); uart_putc(':'); + uart_hexdump(&(s->mask[i]), 4); + uart_putstr("\r\n Kr"); uart_hexdump(&i, 1); uart_putc(':'); + r = (s->rotl[i/2]); + if (i&0x01) r >>= 4; + r &= 0xf; + r += (s->roth[i>>3]&(1<<(i&0x7)))?0x10:0x00; + uart_hexdump(&r, 1); + } +} + + +void test_encrypt(uint8_t *block, uint8_t *key, uint8_t keylength, bool print){ + cast5_ctx_t s; + if (print){ + uart_putstr("\r\nCAST5:\r\n key:\t"); + uart_hexdump(key, keylength/8); + uart_putstr("\r\n plaintext:\t"); + uart_hexdump(block, 8); + } + cast5_init(&s, key, keylength); +// cast5_ctx_dump(&s); + cast5_enc(&s, block); + if (print){ + uart_putstr("\r\n ciphertext:\t"); + uart_hexdump(block, 8); + } +} + +void test_decrypt(uint8_t *block, uint8_t *key, uint8_t keylength, bool print){ + cast5_ctx_t s; + if (print){ + uart_putstr("\r\nCAST5:\r\n key:\t"); + uart_hexdump(key, keylength/8); + uart_putstr("\r\n ciphertext:\t"); + uart_hexdump(block, 8); + } + cast5_init(&s, key, keylength); +// cast5_ctx_dump(&s); + cast5_dec(&s, block); + if (print){ + uart_putstr("\r\n plaintext:\t"); + uart_hexdump(block, 8); + } +} + +void testrun_cast5(void){ + uint8_t block[8]; + uint8_t key[16]; + uint8_t *tda = "\x01\x23\x45\x67\x89\xAB\xCD\xEF", + *tka = "\x01\x23\x45\x67\x12\x34\x56\x78\x23\x45\x67\x89\x34\x56\x78\x9A"; + memcpy(block, tda, 8); + memcpy(key, tka, 16); + test_encrypt(block, key, 128, true); + test_decrypt(block, key, 128, true); + memcpy(block, tda, 8); + memcpy(key, tka, 16); + test_encrypt(block, key, 80, true); + test_decrypt(block, key, 80, true); + memcpy(block, tda, 8); + memcpy(key, tka, 16); + test_encrypt(block, key, 40, true); + test_decrypt(block, key, 40, true); + +/**** long test *****/ + uart_putstr("\r\nmaintance-test"); + uint8_t a[16]= {0x01, 0x23, 0x45, 0x67, 0x12, + 0x34, 0x56, 0x78, 0x23, 0x45, + 0x67, 0x89, 0x34, 0x56, 0x78, + 0x9A}, + b[16]= {0x01, 0x23, 0x45, 0x67, 0x12, + 0x34, 0x56, 0x78, 0x23, 0x45, + 0x67, 0x89, 0x34, 0x56, 0x78, + 0x9A}; + uint32_t i; + for(i=0;i<1000000; ++i){ + test_encrypt(&(a[0]), &(b[0]), 128, false); + test_encrypt(&(a[8]), &(b[0]), 128, false); + test_encrypt(&(b[0]), &(a[0]), 128, false); + test_encrypt(&(b[8]), &(a[0]), 128, false); + if ((i&0x000000ff) == 0){ + uart_putstr("\r\n"); + uart_hexdump(&i, 4); + } + } + uart_putstr("\r\na = "); uart_hexdump(a, 16); + uart_putstr("\r\nb = "); uart_hexdump(b, 16); + +} + + + +/***************************************************************************** + * main * + *****************************************************************************/ + +int main (void){ + char str[20]; + + + DEBUG_INIT(); + uart_putstr("\r\n"); + + uart_putstr("\r\n\r\nCrypto-VS\r\nloaded and running\r\n"); +restart: + while(1){ + if (!getnextwordn(str,20)) {DEBUG_S("DBG: W1\r\n"); goto error;} + if (strcmp(str, "test")) {DEBUG_S("DBG: 1b\r\n"); goto error;} + testrun_cast5(); + goto restart; + continue; + error: + uart_putstr("ERROR\r\n"); + } /* while (1) */ +} + diff --git a/main.c b/main.c new file mode 100644 index 0000000..532e846 --- /dev/null +++ b/main.c @@ -0,0 +1,296 @@ +/* + * crypto-test + * +*/ + +/* implemented: + * + * xtea (C+ASM) + * SHA256 (C+ASM) + * ARCFOUR (C+ASM) + * HMAC-SHA256 (C) + * PRNG (C) + * + */ + +/* to implement: + * -aes + * -seal (broken?) + * -serpent + * -cast + * -des (???) + * -twofish + * -blowfish + * -skipjack (???) + * -idea (???) + * -kasumi--- + * -camellia + * modes: cbc, ecb, ... + * need Hashes, asymetrics, signatures, ... + */ + +#include "config.h" +#include "serial-tools.h" +#include "uart.h" +#include "debug.h" + +#include "sha256-asm.h" +#include "xtea.h" +#include "arcfour.h" +#include "prng.h" +#include "cast5.h" + +#include +#include + + +/***************************************************************************** + * additional validation-functions * +*****************************************************************************/ + +void shavs_rnd(sha256_hash_t seed){ + uint8_t md[4][SHA256_HASH_BITS/8], buffer[3*SHA256_HASH_BITS/8]; + uint8_t j; + uint16_t i; + + for(j=0; j< 100; ++j){ + memcpy(md[0], seed, SHA256_HASH_BITS/8); + memcpy(md[1], seed, SHA256_HASH_BITS/8); + memcpy(md[2], seed, SHA256_HASH_BITS/8); + for(i=3; i<1003; ++i){ + memcpy(buffer+0*(SHA256_HASH_BITS/8), md[(i-3)%4], SHA256_HASH_BITS/8); + memcpy(buffer+1*(SHA256_HASH_BITS/8), md[(i-2)%4], SHA256_HASH_BITS/8); + memcpy(buffer+2*(SHA256_HASH_BITS/8), md[(i-1)%4], SHA256_HASH_BITS/8); + sha256(((void*)md[i%4]), buffer, 3*SHA256_HASH_BITS); + uart_putc('.'); + } + /* OUTPUT */ + --i; + uart_putstr("\r\nMD = "); + uart_hexdump(md[i%4], SHA256_HASH_BITS/8); + uart_putstr("\r\n"); + memcpy(seed, (md[i%4]), SHA256_HASH_BITS/8); + } +} + +/***************************************************************************** + * self tests * +*****************************************************************************/ +void testrun_sha256(void){ + uint8_t block[SHA256_BLOCK_BITS/8]; + + uart_putstr("\r\nsha256(\"\", 0)= "); + sha256((void*)block, (void*)"\x00", 0); + uart_hexdump(block, SHA256_HASH_BITS/8); + + uart_putstr("\r\nsha256(\"abc\", 24)= "); + sha256((void*)block, (void*)"abc", 24); + uart_hexdump(block, SHA256_HASH_BITS/8); + + uart_putstr("\r\nsha256(\"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\", 24)= "); + sha256((void*)block, (void*) "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 448); + uart_hexdump(block, SHA256_HASH_BITS/8); + + uart_putstr("\r\nsha256(1,000,000 x 'a')= "); + { + uint16_t i; + sha256_ctx_t s; + sha256_init(&s); + memset(block,'a',SHA256_BLOCK_BITS/8); + for(i=0; i<(1000000/(SHA256_BLOCK_BITS/8)); ++i){ /* 15625 times*/ + sha256_nextBlock(&s, block); + } + sha256_lastBlock(&s, block, 0); + sha256_ctx2hash((void*)block, &s); + } + uart_hexdump(block, SHA256_HASH_BITS/8); +} + +void testrun_xtea(void){ + uint8_t block[8], block2[8]; + uint8_t key [16]; + + memcpy (block, "abcdefgh", 8); + memset (key, 0, 16); + memset (block2, 0, 8); + uart_putstr("\r\nxtea_enc(\"abcdefgh\", 0)= "); + xtea_enc((void*)block2, (void*)block, (void*)key); + uart_hexdump(block2, 8); + uart_putstr("\r\nxtea_dec(form above)= "); + xtea_dec((void*)block, (void*)block2, (void*)key); + uart_hexdump(block, 8); + + memcpy (key, "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", 16); + uart_putstr("\r\nxtea_enc(\"abcdefgh\", 000102030405060708090a0b0c0d0e0f)= "); + xtea_enc((void*)block, (void*)block, (void*)key); + uart_hexdump(block, 8); + uart_putstr("\r\nxtea_dec(form above)= "); + xtea_dec((void*)block, (void*)block, (void*)key); + uart_hexdump(block, 8); +} + +void testrun_arcfour(void){ + arcfour_ctx_t s; + char *b; + /* using wikipedia test-vectors: + * RC4( "Key", "Plaintext" ) == "bbf316e8 d940af0a d3" + * RC4( "Wiki", "pedia" ) == "1021bf0420" + * RC4( "Secret", "Attack at dawn" ) == "45a01f64 5fc35b38 3552544b 9bf5" + **/ + uart_putstr("\r\narcfour(\"Plaintext\", \"Key\")="); + arcfour_init(&s, "Key", 3); + b="Plaintext"; + while (*b) + *b++ ^= arcfour_gen(&s); + uart_hexdump(b-9, 9); + + uart_putstr("\r\narcfour(\"pedia\", \"Wiki\")="); + arcfour_init(&s, "Wiki", 4); + b="pedia"; + while (*b) + *b++ ^= arcfour_gen(&s); + uart_hexdump(b-5, 5); + + uart_putstr("\r\narcfour(\"Attack at dawn\", \"Secret\")="); + arcfour_init(&s, "Secret", 6); + b="Attack at dawn"; + while (*b) + *b++ ^= arcfour_gen(&s); + uart_hexdump(b-14, 14); + + uart_putstr("\r\narcfour(00.00.00.00.00.00.00.00, 01.23.45.67.89.AB.CD.EF)="); + arcfour_init(&s, "\x01\x23\x45\x67\x89\xAB\xCD\xEF", 8); + int i=0; + uint8_t a[8]; + memset(a, 0 , 8); + while (i < 8) + a[i++] ^= arcfour_gen(&s); + uart_hexdump(a, 8); +} + +void testrun_prng(void){ + uint8_t i,block[32]; + uart_putstr("\r\naddEntropy(32, 0x00000000)"); + addEntropy(32,"\x00\x00\x00\x00"); + for(i=0;i<12;++i){ + getRandomBlock((void*)block); + uart_putstr("\r\n"); + uart_hexdump(block, 32); + } +} + +void testrun_cast5(void){ + cast5_ctx_t s; + uint8_t i; + uart_putstr("\r\nCAST5:\r\nkey: 01 23 45 67 34 56 78 23 45 67 89 34 56 78 9A"); + cast5_init(&s, "\x01\x23\x45\x67\x12\x34\x56\x78\x23\x45\x67\x89\x34\x56\x78\x9A", 128); + uint8_t block[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF}; + uart_putstr("\r\nplaintext: "); + uart_hexdump(block, 8); + cast5_enc(&s, block); + uart_putstr("\r\nciphertext: "); + uart_hexdump(block, 8); + for(i=0; i<16; ++i){ + uart_putstr("\r\nK"); uart_putc('0'+(i+1)/10); uart_putc('0'+(i+1)%10); uart_putstr(": "); + uart_hexdump(&(s.mask[i]),4); + } +} + +/***************************************************************************** + * main * + *****************************************************************************/ + +int main (void){ + uint64_t length=0; + sha256_ctx_t s; + char str[20]; + int i; + uint8_t block[SHA256_BLOCK_BITS/8]; + + DEBUG_INIT(); + + sha256_init(&s); + uart_putstr("\r\n"); + + uart_putstr("\r\n\r\nCrypto-VS\r\nloaded and running\r\n"); +restart: + while(1){ + if (!getnextwordn(str,20)) {DEBUG_S("DBG: W1\r\n"); goto error;} + if (strcmp(str, "REQ")) {DEBUG_S("DBG: 1b\r\n"); goto error;} + if (!getnextwordn(str,20)) {DEBUG_S("DBG: W2\r\n"); goto error;} + if (strcmp(str, "SHA256")) { + if (strcmp(str, "test")){DEBUG_S("DBG: 1d\r\n"); goto error;}; + /* use some fixed test-vectors and all Algos */ + uart_putstr("\r\n intergrated selftests:\r\n"); + testrun_xtea(); + uart_putstr("\r\n"); + testrun_prng(); + uart_putstr("\r\n"); + testrun_cast5(); + uart_putstr("\r\n"); + testrun_arcfour(); + uart_putstr("\r\n"); + testrun_sha256(); + goto restart; + } + if (!getnextwordn(str,20)) {DEBUG_S("DBG: W4\r\n"); goto error;} + if (strcmp(str, "Len=")) { + /* 1d9370cdccba99b23670e2e0d6514001006f50d3c7a453201d2776f03c5e58fd */ + /* f41ece26 13e45739 15696b5a dcd51ca3 + 28be3bf5 66a9ca99 c9ceb027 9c1cb0a7 + */ + if(strcmp(str, "rnd")){DEBUG_S("DBG: 2b\r\n"); goto error;} + sha256_hash_t seed = {0x1d, 0x93, 0x70, 0xcd, 0xcc, 0xba, 0x99, 0xb2, 0x36, 0x70, + 0xe2, 0xe0, 0xd6, 0x51, 0x40, 0x01, 0x00, 0x6f, 0x50, 0xd3, + 0xc7, 0xa4, 0x53, 0x20, 0x1d, 0x27, 0x76, 0xf0, 0x3c, 0x5e, + 0x58, 0xfd }; /* + { 0xf4, 0x1e, 0xce, 0x26, 0x13, 0xe4, 0x57, 0x39, 0x15, 0x69, 0x6b, 0x5a, 0xdc, 0xd5, 0x1c, 0xa3, + 0x28, 0xbe, 0x3b, 0xf5, 0x66, 0xa9, 0xca, 0x99, 0xc9, 0xce, 0xb0, 0x27, 0x9c, 0x1c, 0xb0, 0xa7 }; + // */ + shavs_rnd(seed); + goto restart; + + } + if (!getnextwordn(str,20)) {DEBUG_S("DBG: W5\r\n"); goto error;} + { + length=0; + i=0; + while (str[i]){ /* we should check for error here */ + length *= 10; + length += str[i++] - '0'; + } + }; +// DEBUG_S("\r\nDBG: Length="); DEBUG_B(length&0xff); DEBUG_S("\r\n"); +// DEBUG_S("A"); + sha256_init(&s); +// DEBUG_S("B"); + if (!getnextwordn(str,20)) {DEBUG_S("DBG: W6\r\n"); goto error;} +// DEBUG_S("b2"); + if (strcmp(str, "Msg=")) {DEBUG_S("DBG: 4b\r\n"); goto error;} +// DEBUG_S("b3"); + { + memset(block, 0, SHA256_BLOCK_BITS/8); +// DEBUG_S("b3.0"); + while (length>=SHA256_BLOCK_BITS){ + readhex2buffer(block, SHA256_BLOCK_BITS/8); +// DEBUG_S("b3.1"); + sha256_nextBlock(&s, block); +// DEBUG_S("b3.2"); + length -= SHA256_BLOCK_BITS; + } +// DEBUG_S("C"); + readhex2buffer(block, (length/8) + ((length&0x7)?1:0) + ((length)?0:1)); +// DEBUG_S("D"); + sha256_lastBlock(&s, block, length); +// DEBUG_S("E"); + sha256_ctx2hash((void*)block, &s); + uart_putstr("\n\rMD= "); + uart_hexdump(block, SHA256_HASH_BITS/8); + uart_putstr("\n\r\n\r"); + } + continue; + error: + uart_putstr("ERROR\r\n"); + } /* while (1) */ +} + diff --git a/md5.c b/md5.c new file mode 100644 index 0000000..d26c806 --- /dev/null +++ b/md5.c @@ -0,0 +1,15 @@ +/* + * File: md5.h + * Author: Daniel Otte + * Date: 31.07.2006 + * License: GPL + * Description: Implementation of the MD5 hash algorithm as described in RFC 1321 + * + */ + + #include "md5.h" + #include + + + + \ No newline at end of file diff --git a/md5.h b/md5.h new file mode 100644 index 0000000..bd91f23 --- /dev/null +++ b/md5.h @@ -0,0 +1,14 @@ +/* + * File: md5.h + * Author: Daniel Otte + * Date: 31.07.2006 + * License: GPL + * Description: Implementation of the MD5 hash algorithm as described in RFC 1321 + * + */ + + +#ifndef MD5_H_ +#define MD5_H_ + +#endif /*MD5_H_*/ diff --git a/prng.c b/prng.c new file mode 100644 index 0000000..640c2ac --- /dev/null +++ b/prng.c @@ -0,0 +1,95 @@ +/** + * File: prng.c + * Author: Daniel Otte + * Date: 17.05.2006 + * License: GPL + * Description: This file contains an implementaition of a pseudo-random-number generator. + * Extension 1: + * rndCore is expanded to 512 bits for more security. + **/ + + +/* + * + * #################################################################################### + * # # + * # +---------------------------+ # + * # | | # + * # V | # + * # (concat) | # + * +---------------+ # o---------o (xor)+---------+ o---------o o---------o # +--------------+ + * | entropy Block | -----> | sha-256 | --(offset)-< | rndCore | ---> | sha-256 | --+-> | sha-256 | -----> | random Block | + * +---------------+ # o---------o (xor)+---------+ o---------o | o---------o # +--------------+ + * # (xor) (xor) | # + * # ^ ^ | # + * # \ / | # + * # (offset)---------------------+ # + * # # + * #################################################################################### + * + */ + +#include +#include +#include "sha256.h" + + + + +uint32_t rndCore[16]; /* secret */ + +/* + * idea is: hash the message and add it via xor to rndCore + * + * length in bits + * + * we simply first "hash" rndCore, then entropy. + */ +void addEntropy(unsigned length, void* data){ + sha256_ctx_t s; + static uint8_t offset=0; /* selects if higher or lower half gets updated */ + sha256_init(&s); + sha256_nextBlock(&s, rndCore); + while (length>=512){ + sha256_nextBlock(&s, data); + data += 512/8; + length -= 512; + } + sha256_lastBlock(&s, data, length); + uint8_t i; + for (i=0; i<8; ++i){ + rndCore[i+offset] ^= s.h[i]; + } + offset ^= 8; /* hehe */ +} + +void getRandomBlock(uint32_t *b){ + sha256_ctx_t s; + uint8_t offset=8; + + sha256_init(&s); + sha256_lastBlock(&s, rndCore, 512); /* remeber the byte order! */ + uint8_t i; + for (i=0; i<8; ++i){ + rndCore[i+offset] ^= s.h[i]; + } + offset ^= 8; /* hehe */ + memcpy(b, s.h, 32); /* back up first hash in b */ + sha256_init(&s); + sha256_lastBlock(&s, b, 256); + memcpy(b, s.h, 32); +} + +/* this does some simple buffering */ +uint8_t getRandomByte(void){ + static uint8_t block[32]; + static uint8_t i=32; + + if (i==32){ + getRandomBlock((void*)block); + i=0; + } + return block[i++]; +} + + diff --git a/prng.h b/prng.h new file mode 100644 index 0000000..5266368 --- /dev/null +++ b/prng.h @@ -0,0 +1,22 @@ +/** + * File: prng.h + * Author: Daniel Otte + * Date: 23.07.2006 + * License: GPL + * Description: This file contains the declarations for the pseudo-random-number generator. + **/ + +#ifndef PRNG_H_ +#define PRNG_H_ + +#include +/* + * length in bits + */ +void addEntropy(unsigned length, void* data); +void getRandomBlock(uint32_t* b); +/* this does some simple buffering */ +uint8_t getRandomByte(void); + + +#endif /*PRNG_H_*/ diff --git a/serial-tools.c b/serial-tools.c new file mode 100644 index 0000000..b423299 --- /dev/null +++ b/serial-tools.c @@ -0,0 +1,64 @@ +/** + * + * Author: Daniel Otte + * Date: 16.05.2006 + * + * This tools should help to parse some input. + * + */ + +#include "config.h" +#include "uart.h" +#include +#include + +int getnextwordn(char *s, int n){ /* words are seperated by spaces */ + char c = ' '; + while ((c=uart_getc()) == ' ') + ; + *s++ = c; + while (n && (*s++=uart_getc())!=' ') + ; + *(s-1) = '\0'; + return n; +} + + +void readhex2buffer(void* buffer, int n){ + char c; + uint8_t i; + +// DEBUG_S("\r\nDBG: n="); DEBUG_B(n&0xff); DEBUG_S("\r\n"); + for(i=0; i=c){ + ((uint8_t*)buffer)[i] = c - '0'; + } else { + c &= ~('A' ^ 'a'); /* make all uppercase */ + if ('A'<= c && 'F'>=c){ + ((uint8_t*)buffer)[i] = c - 'A' + 10; + } else { + /* oh shit, wrong char */ + } + } + + ((uint8_t*)buffer)[i] <<= 4; + + c = uart_getc(); + if ('0'<= c && '9'>=c){ + ((uint8_t*)buffer)[i] |= c - '0'; + } else { + c &= ~('A' ^ 'a'); /* make all uppercase */ + if ('A'<= c && 'F'>=c){ + ((uint8_t*)buffer)[i] |= c - 'A' + 10; + } else { + /* oh shit, wrong char */ + } + } + } /* for i=0 .. n */ +} + +void uart_putptr(void* p){ + uart_hexdump((void*) &p,2); +} + diff --git a/serial-tools.h b/serial-tools.h new file mode 100644 index 0000000..4ed5f60 --- /dev/null +++ b/serial-tools.h @@ -0,0 +1,9 @@ +#ifndef SERIALTOOLS_H_ +#define SERIALTOOLS_H_ + + +int getnextwordn(char *s, int n); /* words are seperated by spaces */ +void readhex2buffer(void* buffer, int n); +void uart_putptr(void* p); + +#endif /*SERIALTOOLS_H_*/ diff --git a/sha256-asm.S b/sha256-asm.S new file mode 100644 index 0000000..0769e7c --- /dev/null +++ b/sha256-asm.S @@ -0,0 +1,1025 @@ +/* + * Author: Daniel Otte + * + * License: GPL +*/ +; sha-256 implementation in assembler +SHA256_BLOCK_BITS = 512 +SHA256_HASH_BITS = 256 + +.macro precall + /* push r18 - r27, r30 - r31*/ + push r0 + push r1 + push r18 + push r19 + push r20 + push r21 + push r22 + push r23 + push r24 + push r25 + push r26 + push r27 + push r30 + push r31 + clr r1 +.endm + +.macro postcall + pop r31 + pop r30 + pop r27 + pop r26 + pop r25 + pop r24 + pop r23 + pop r22 + pop r21 + pop r20 + pop r19 + pop r18 + pop r1 + pop r0 +.endm + + +.macro hexdump length + push r27 + push r26 + ldi r25, '\r' + mov r24, r25 + call uart_putc + ldi r25, '\n' + mov r24, r25 + call uart_putc + pop r26 + pop r27 + movw r24, r26 +.if \length > 16 + ldi r22, lo8(16) + ldi r23, hi8(16) + push r27 + push r26 + call uart_hexdump + pop r26 + pop r27 + adiw r26, 16 + hexdump \length-16 +.else + ldi r22, lo8(\length) + ldi r23, hi8(\length) + call uart_hexdump +.endif +.endm + +/* X points to Block */ +.macro dbg_hexdump length + precall + hexdump \length + postcall +.endm + +.section .text + +SPL = 0x3D +SPH = 0x3E +SREG = 0x3F + + +; +;sha256_ctx_t is: +; +; [h0][h1][h2][h3][h4][h5][h6][h7][length] +; hn is 32 bit large, length is 64 bit large + +;########################################################### + +.global sha256_ctx2hash +; === sha256_lastBlock === +; this function does padding & Co. for calculating SHA-256 hashes +; param1: the 16-bit destination pointer +; given in r25,r24 (r25 is most significant) +; param2: the 16-bit pointer to sha256_ctx structure +; given in r23,r22 +sha256_ctx2hash: + movw r26, r22 + movw r30, r24 + ldi r21, 8 + sbiw r26, 4 +1: + ldi r20, 4 + adiw r26, 8 +2: + ld r0, -X + st Z+, r0 + dec r20 + brne 2b + + dec r21 + brne 1b + + ret + +;########################################################### + +.global sha256 +; === sha256 === +; this function calculates SHA-256 hashes from messages in RAM +; param1: the 16-bit hash destination pointer +; given in r25,r24 (r25 is most significant) +; param2: the 16-bit pointer to message +; given in r23,r22 +; param3: 32-bit length value (length of message in bits) +; given in r21,r20,r19,r18 +sha256: +sha256_prolog: + push r8 + push r9 + push r10 + push r11 + push r12 + push r13 + push r16 + push r17 + in r16, SPL + in r17, SPH + subi r16, 8*4+8 + sbci r17, 0 + in r0, SREG + cli + out SPL, r16 + out SPH, r17 + out SREG, r0 + + push r25 + push r24 + inc r16 + adc r17, r1 + + movw r8, r18 /* backup of length*/ + movw r10, r20 + + movw r12, r22 /* backup pf msg-ptr */ + + movw r24, r16 + rcall sha256_init + /* if length >= 512 */ +1: + tst r11 + brne 4f + tst r10 + brne 4f + mov r19, r9 + cpi r19, 0x02 + brlo 4f + + movw r24, r16 + movw r22, r12 + rcall sha256_nextBlock + ldi r19, 0x64 + add r22, r19 + adc r23, r1 + /* length -= 512 */ + ldi r19, 0x02 + sub r9, r19 + sbc r10, r1 + sbc r11, r1 + rjmp 1b + +4: + movw r24, r16 + movw r22, r12 + movw r20, r8 + rcall sha256_lastBlock + + pop r24 + pop r25 + movw r22, r16 + rcall sha256_ctx2hash + +sha256_epilog: + in r30, SPL + in r31, SPH + adiw r30, 8*4+8 + in r0, SREG + cli + out SPL, r30 + out SPH, r31 + out SREG, r0 + pop r17 + pop r16 + pop r13 + pop r12 + pop r11 + pop r10 + pop r9 + pop r8 + ret + +;########################################################### + + +; block MUST NOT be larger than 64 bytes + +.global sha256_lastBlock +; === sha256_lastBlock === +; this function does padding & Co. for calculating SHA-256 hashes +; param1: the 16-bit pointer to sha256_ctx structure +; given in r25,r24 (r25 is most significant) +; param2: an 16-bit pointer to 64 byte block to hash +; given in r23,r22 +; param3: an 16-bit integer specifing length of block in bits +; given in r21,r20 +sha256_lastBlock_localSpace = (SHA256_BLOCK_BITS/8+1) + + +sha256_lastBlock: + tst r20 + brne sha256_lastBlock_prolog + cpi r21, 0x02 + brne sha256_lastBlock_prolog + push r25 + push r24 + push r23 + push r22 + rcall sha256_nextBlock + pop r22 + pop r23 + pop r24 + pop r25 + clr r21 + clr r22 +sha256_lastBlock_prolog: + /* allocate space on stack */ + in r30, SPL + in r31, SPH + in r1, SREG + subi r30, lo8(64) + sbci r31, hi8(64) + cli + out SPL, r30 + out SPH, r31 + out SREG,r1 + + adiw r30, 1 /* SP points to next free byte on stack */ + mov r18, r20 /* r20 = LSB(length) */ + lsr r18 + lsr r18 + lsr r18 + bst r21, 0 /* may be we should explain this ... */ + bld r18, 5 /* now: r18 == length/8 (aka. length in bytes) */ + + + movw r26, r22 /* X points to begin of msg */ + tst r18 + breq sha256_lastBlock_post_copy + mov r1, r18 +sha256_lastBlock_copy_loop: + ld r0, X+ + st Z+, r0 + dec r1 + brne sha256_lastBlock_copy_loop +sha256_lastBlock_post_copy: +sha256_lastBlock_insert_stuffing_bit: + ldi r19, 0x80 + mov r0,r19 + ldi r19, 0x07 + and r19, r20 /* if we are in bitmode */ + breq 2f /* no bitmode */ +1: + lsr r0 + dec r19 + brne 1b + ld r19, X +/* maybe we should do some ANDing here, just for safety */ + or r0, r19 +2: + st Z+, r0 + inc r18 + +/* checking stuff here */ + cpi r18, 64-8+1 + brsh 0f + rjmp sha256_lastBlock_insert_zeros +0: + /* oh shit, we landed here */ + /* first we have to fill it up with zeros */ + ldi r19, 64 + sub r19, r18 + breq 2f +1: + st Z+, r1 + dec r19 + brne 1b +2: + sbiw r30, 63 + sbiw r30, 1 + movw r22, r30 + + push r31 + push r30 + push r25 + push r24 + push r21 + push r20 + rcall sha256_nextBlock + pop r20 + pop r21 + pop r24 + pop r25 + pop r30 + pop r31 + + /* now we should subtract 512 from length */ + movw r26, r24 + adiw r26, 4*8+1 /* we can skip the lowest byte */ + ld r19, X + subi r19, hi8(512) + st X+, r19 + ldi r18, 6 +1: + ld r19, X + sbci r19, 0 + st X+, r19 + dec r18 + brne 1b + +; clr r18 /* not neccessary ;-) */ + /* reset Z pointer to begin of block */ + +sha256_lastBlock_insert_zeros: + ldi r19, 64-8 + sub r19, r18 + breq sha256_lastBlock_insert_length + clr r1 +1: + st Z+, r1 /* r1 is still zero */ + dec r19 + brne 1b + +; rjmp sha256_lastBlock_epilog +sha256_lastBlock_insert_length: + movw r26, r24 /* X points to state */ + adiw r26, 8*4 /* X points to (state.length) */ + adiw r30, 8 /* Z points one after the last byte of block */ + ld r0, X+ + add r0, r20 + st -Z, r0 + ld r0, X+ + adc r0, r21 + st -Z, r0 + ldi r19, 6 +1: + ld r0, X+ + adc r0, r1 + st -Z, r0 + dec r19 + brne 1b + + sbiw r30, 64-8 + movw r22, r30 + rcall sha256_nextBlock + +sha256_lastBlock_epilog: + in r30, SPL + in r31, SPH + in r1, SREG + adiw r30, 63 ; lo8(64) + adiw r30, 1 ; hi8(64) + cli + out SPL, r30 + out SPH, r31 + out SREG,r1 + clr r1 + clr r0 + ret + +/**/ +;########################################################### + +.global sha256_nextBlock +; === sha256_nextBlock === +; this is the core function for calculating SHA-256 hashes +; param1: the 16-bit pointer to sha256_ctx structure +; given in r25,r24 (r25 is most significant) +; param2: an 16-bit pointer to 64 byte block to hash +; given in r23,r22 +sha256_nextBlock_localSpace = (64+8)*4 ; 64 32-bit values for w array and 8 32-bit values for a array (total 288 byte) + +Bck1 = 12 +Bck2 = 13 +Bck3 = 14 +Bck4 = 15 +Func1 = 22 +Func2 = 23 +Func3 = 24 +Func4 = 25 +Accu1 = 16 +Accu2 = 17 +Accu3 = 18 +Accu4 = 19 +XAccu1 = 8 +XAccu2 = 9 +XAccu3 = 10 +XAccu4 = 11 +T1 = 4 +T2 = 5 +T3 = 6 +T4 = 7 +LoopC = 1 +/* byteorder: high number <--> high significance */ +sha256_nextBlock: + ; initial, let's make some space ready for local vars + push r4 /* replace push & pop by mem ops? */ + push r5 + push r6 + push r7 + push r8 + push r9 + push r10 + push r11 + push r12 + push r13 + push r14 + push r15 + push r16 + push r17 + push r28 + push r29 + in r20, SPL + in r21, SPH + movw r18, r20 ;backup SP +; movw r26, r20 ; X points to free space on stack + movw r30, r22 ; Z points to message + subi r20, lo8(sha256_nextBlock_localSpace) ;sbiw can do only up to 63 + sbci r21, hi8(sha256_nextBlock_localSpace) + movw r26, r20 ; X points to free space on stack + in r0, SREG + cli ; we want to be uninterrupted while updating SP + out SPL, r20 + out SPH, r21 + out SREG, r0 + push r18 + push r19 + push r24 + push r25 /* param1 will be needed later */ + ; now we fill the w array with message (think about endianess) + adiw r26, 1 ; X++ + ldi r20, 16 +sha256_nextBlock_wcpyloop: + ld r23, Z+ + ld r22, Z+ + ld r19, Z+ + ld r18, Z+ + st X+, r18 + st X+, r19 + st X+, r22 + st X+, r23 + dec r20 + brne sha256_nextBlock_wcpyloop +/* for (i=16; i<64; ++i){ + w[i] = SIGMA_b(w[i-2]) + w[i-7] + SIGMA_a(w[i-15]) + w[i-16]; + } */ + /* r25,r24,r23,r24 (r21,r20) are function values + r19,r18,r17,r16 are the accumulator + r15,r14,r13,rBck1 are backup1 + r11,r10,r9 ,r8 are xor accu + r1 is round counter */ + + ldi r20, 64-16 + mov LoopC, r20 +sha256_nextBlock_wcalcloop: + movw r30, r26 ; cp X to Z + sbiw r30, 63 + sbiw r30, 1 ; substract 64 = 16*4 + ld Accu1, Z+ + ld Accu2, Z+ + ld Accu3, Z+ + ld Accu4, Z+ /* w[i] = w[i-16] */ + ld Bck1, Z+ + ld Bck2, Z+ + ld Bck3, Z+ + ld Bck4, Z+ /* backup = w[i-15] */ + /* now sigma 0 */ + mov Func1, Bck2 + mov Func2, Bck3 + mov Func3, Bck4 + mov Func4, Bck1 /* prerotated by 8 */ + ldi r20, 1 + rcall bitrotl + movw XAccu1, Func1 + movw XAccu3, Func3 /* store ROTR(w[i-15],7) in xor accu */ + movw Func1, Bck3 + movw Func3, Bck1 /* prerotated by 16 */ + ldi r20, 2 + rcall bitrotr + eor XAccu1, Func1 /* xor ROTR(w[i-15], 18)*/ + eor XAccu2, Func2 + eor XAccu3, Func3 + eor XAccu4, Func4 + ldi Func2, 3 /* now shr3 */ /*we can destroy backup now*/ +sigma0_shr: + lsr Bck4 + ror Bck3 + ror Bck2 + ror Bck1 + dec Func2 + brne sigma0_shr + eor XAccu1, Bck1 + eor XAccu2, Bck2 + eor XAccu3, Bck3 + eor XAccu4, Bck4 /* xor SHR(w[i-15], 3)*/ /* xor accu == sigma1(w[i-15]) */ + add Accu1, XAccu1 + adc Accu2, XAccu2 + adc Accu3, XAccu3 + adc Accu4, XAccu4 /* finished with sigma0 */ + ldd Func1, Z+7*4 /* now accu += w[i-7] */ + ldd Func2, Z+7*4+1 + ldd Func3, Z+7*4+2 + ldd Func4, Z+7*4+3 + add Accu1, Func1 + adc Accu2, Func2 + adc Accu3, Func3 + adc Accu4, Func4 + ldd Bck1, Z+12*4 /* now backup = w[i-2]*/ + ldd Bck2, Z+12*4+1 + ldd Bck3, Z+12*4+2 + ldd Bck4, Z+12*4+3 + /* now sigma 1 */ + movw Func1, Bck3 + movw Func3, Bck1 /* prerotated by 16 */ + ldi r20, 1 + rcall bitrotr + movw XAccu3, Func3 + movw XAccu1, Func1 /* store in ROTR(w[i-2], 17) xor accu */ +; movw Func1, Bck3 +; movw Func3, Bck1 /* prerotated by 16 */ + ldi r20, 2 + rcall bitrotr + eor XAccu1, Func1 /* xor ROTR(w[i-2], 19)*/ + eor XAccu2, Func2 + eor XAccu3, Func3 + eor XAccu4, Func4 + ldi Func2, 2 /* now shr10 (dirty trick, skipping a byte) */ /*we can destroy backup now*/ +sigma1_shr: + lsr Bck4 + ror Bck3 + ror Bck2 + dec Func2 + brne sigma1_shr + eor XAccu1, Bck2 + eor XAccu2, Bck3 + eor XAccu3, Bck4 /* xor SHR(w[i-2], 10)*/ /* xor accu == sigma1(w[i-15]) */ + add Accu1, XAccu1 + adc Accu2, XAccu2 + adc Accu3, XAccu3 + adc Accu4, XAccu4 /* finished with sigma0 */ + /* now let's store the shit */ + st X+, Accu1 + st X+, Accu2 + st X+, Accu3 + st X+, Accu4 + dec LoopC + breq 3f ; skip if zero + rjmp sha256_nextBlock_wcalcloop +3: + /* we are finished with w array X points one byte post w */ +/* init a array */ + pop r31 + pop r30 + push r30 + push r31 + ldi r25, 8*4 /* 8 32-bit values to copy from ctx to a array */ +init_a_array: + ld r1, Z+ + st X+, r1 + dec r25 + brne init_a_array + +/* now the real fun begins */ +/* for (i=0; i<64; ++i){ + t1 = a[7] + SIGMA1(a[4]) + CH(a[4],a[5],a[6]) + k[i] + w[i]; + t2 = SIGMA0(a[0]) + MAJ(a[0],a[1],a[2]); + memmove(&(a[1]), &(a[0]), 7*4); // a[7]=a[6]; a[6]=a[5]; a[5]=a[4]; a[4]=a[3]; a[3]=a[2]; a[2]=a[1]; a[1]=a[0]; + a[4] += t1; + a[0] = t1 + t2; + } */ + /* Y points to a[0], Z ('cause lpm wants it) points to k[i], X points to w[i] */ + sbiw r26, 8*4 /* X still points at a[7]+1*/ + movw r28, r26 + ldi r30, lo8(sha256_kv) + ldi r31, hi8(sha256_kv) + dec r27 /* X - (64*4 == 256) */ + ldi r25, 64 + mov LoopC, r25 +sha256_main_loop: + /* now calculate t1 */ + /*CH(x,y,z) = (x&y)^((~x)&z)*/ + ldd T1, Y+5*4 + ldd T2, Y+5*4+1 + ldd T3, Y+5*4+2 + ldd T4, Y+5*4+3 /* y in T */ + ldd Func1, Y+4*4 + ldd Func2, Y+4*4+1 + ldd Func3, Y+4*4+2 + ldd Func4, Y+4*4+3 /* x in Func */ + ldd Bck1, Y+6*4 + ldd Bck2, Y+6*4+1 + ldd Bck3, Y+6*4+2 + ldd Bck4, Y+6*4+3 /* z in Bck */ + and T1, Func1 + and T2, Func2 + and T3, Func3 + and T4, Func4 + com Func1 + com Func2 + com Func3 + com Func4 + and Bck1, Func1 + and Bck2, Func2 + and Bck3, Func3 + and Bck4, Func4 + eor T1, Bck1 + eor T2, Bck2 + eor T3, Bck3 + eor T4, Bck4 /* done, CH(x,y,z) is in T */ + /* now SIGMA1(a[4]) */ + ldd Bck4, Y+4*4 /* think about using it from Func reg above*/ + ldd Bck1, Y+4*4+1 + ldd Bck2, Y+4*4+2 + ldd Bck3, Y+4*4+3 /* load prerotate by 8-bit */ + movw Func1, Bck1 + movw Func3, Bck3 + ldi r20, 2 + rcall bitrotl /* rotr(x,6) */ + movw XAccu1, Func1 + movw XAccu3, Func3 + movw Func1, Bck1 + movw Func3, Bck3 + ldi r20, 3 + rcall bitrotr /* rotr(x,11) */ + eor XAccu1, Func1 + eor XAccu2, Func2 + eor XAccu3, Func3 + eor XAccu4, Func4 + movw Func1, Bck3 /* this prerotates furteh 16 bits*/ + movw Func3, Bck1 /* so we have now prerotated by 24 bits*/ + ldi r20, 1 + rcall bitrotr /* rotr(x,11) */ + eor XAccu1, Func1 + eor XAccu2, Func2 + eor XAccu3, Func3 + eor XAccu4, Func4 /* finished with SIGMA1, add it to T */ + add T1, XAccu1 + adc T2, XAccu2 + adc T3, XAccu3 + adc T4, XAccu4 + /* now we've to add a[7], w[i] and k[i] */ + ldd XAccu1, Y+4*7 + ldd XAccu2, Y+4*7+1 + ldd XAccu3, Y+4*7+2 + ldd XAccu4, Y+4*7+3 + add T1, XAccu1 + adc T2, XAccu2 + adc T3, XAccu3 + adc T4, XAccu4 /* add a[7] */ + ld XAccu1, X+ + ld XAccu2, X+ + ld XAccu3, X+ + ld XAccu4, X+ + add T1, XAccu1 + adc T2, XAccu2 + adc T3, XAccu3 + adc T4, XAccu4 /* add w[i] */ + lpm XAccu1, Z+ + lpm XAccu2, Z+ + lpm XAccu3, Z+ + lpm XAccu4, Z+ + add T1, XAccu1 + adc T2, XAccu2 + adc T3, XAccu3 + adc T4, XAccu4 /* add k[i] */ /* finished with t1 */ + /*now t2 = SIGMA0(a[0]) + MAJ(a[0],a[1],a[2]) */ /*i did to much x86 asm, i always see 4 32bit regs*/ + /* starting with MAJ(x,y,z) */ + ldd Func1, Y+4*0+0 + ldd Func2, Y+4*0+1 + ldd Func3, Y+4*0+2 + ldd Func4, Y+4*0+3 /* load x=a[0] */ + ldd XAccu1, Y+4*1+0 + ldd XAccu2, Y+4*1+1 + ldd XAccu3, Y+4*1+2 + ldd XAccu4, Y+4*1+3 /* load y=a[1] */ + and XAccu1, Func1 + and XAccu2, Func2 + and XAccu3, Func3 + and XAccu4, Func4 /* XAccu == (x & y) */ + ldd Bck1, Y+4*2+0 + ldd Bck2, Y+4*2+1 + ldd Bck3, Y+4*2+2 + ldd Bck4, Y+4*2+3 /* load z=a[2] */ + and Func1, Bck1 + and Func2, Bck2 + and Func3, Bck3 + and Func4, Bck4 + eor XAccu1, Func1 + eor XAccu2, Func2 + eor XAccu3, Func3 + eor XAccu4, Func4 /* XAccu == (x & y) ^ (x & z) */ + ldd Func1, Y+4*1+0 + ldd Func2, Y+4*1+1 + ldd Func3, Y+4*1+2 + ldd Func4, Y+4*1+3 /* load y=a[1] */ + and Func1, Bck1 + and Func2, Bck2 + and Func3, Bck3 + and Func4, Bck4 + eor XAccu1, Func1 + eor XAccu2, Func2 + eor XAccu3, Func3 + eor XAccu4, Func4 /* XAccu == Maj(x,y,z) == (x & y) ^ (x & z) ^ (y & z) */ + /* SIGMA0(a[0]) */ + ldd Bck1, Y+4*0+0 /* we should combine this with above */ + ldd Bck2, Y+4*0+1 + ldd Bck3, Y+4*0+2 + ldd Bck4, Y+4*0+3 + movw Func1, Bck1 + movw Func3, Bck3 + ldi r20, 2 + rcall bitrotr + movw Accu1, Func1 + movw Accu3, Func3 /* Accu = shr(a[0], 2) */ + movw Func1, Bck3 + movw Func3, Bck1 /* prerotate by 16 bits */ + ldi r20, 3 + rcall bitrotl + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 /* Accu ^= shr(a[0], 13) */ + mov Func1, Bck4 + mov Func2, Bck1 + mov Func3, Bck2 + mov Func4, Bck3 /* prerotate by 24 bits */ + ldi r20, 2 + rcall bitrotl + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 /* Accu ^= shr(a[0], 22) */ + add Accu1, XAccu1 /* add previous result (MAJ)*/ + adc Accu2, XAccu2 + adc Accu3, XAccu3 + adc Accu4, XAccu4 + /* now we are finished with the computing stuff (t1 in T, t2 in Accu)*/ + /* a[7]=a[6]; a[6]=a[5]; a[5]=a[4]; a[4]=a[3]; a[3]=a[2]; a[2]=a[1]; a[1]=a[0]; */ + + ldi r21, 7*4 + adiw r28, 7*4 +a_shift_loop: + ld r25, -Y /* warning: this is PREdecrement */ + std Y+4, r25 + dec r21 + brne a_shift_loop + + ldd Bck1, Y+4*4+0 + ldd Bck2, Y+4*4+1 + ldd Bck3, Y+4*4+2 + ldd Bck4, Y+4*4+3 + add Bck1, T1 + adc Bck2, T2 + adc Bck3, T3 + adc Bck4, T4 + std Y+4*4+0, Bck1 + std Y+4*4+1, Bck2 + std Y+4*4+2, Bck3 + std Y+4*4+3, Bck4 + add Accu1, T1 + adc Accu2, T2 + adc Accu3, T3 + adc Accu4, T4 + std Y+4*0+0, Accu1 + std Y+4*0+1, Accu2 + std Y+4*0+2, Accu3 + std Y+4*0+3, Accu4 /* a array updated */ + + + dec LoopC + breq update_state + rjmp sha256_main_loop ;brne sha256_main_loop +update_state: + /* update state */ + /* pointers to state should still exist on the stack ;-) */ + pop r31 + pop r30 + ldi r21, 8 +update_state_loop: + ldd Accu1, Z+0 + ldd Accu2, Z+1 + ldd Accu3, Z+2 + ldd Accu4, Z+3 + ld Func1, Y+ + ld Func2, Y+ + ld Func3, Y+ + ld Func4, Y+ + add Accu1, Func1 + adc Accu2, Func2 + adc Accu3, Func3 + adc Accu4, Func4 + st Z+, Accu1 + st Z+, Accu2 + st Z+, Accu3 + st Z+, Accu4 + dec r21 + brne update_state_loop + /* now we just have to update the length */ + adiw r30, 1 /* since we add 512, we can simply skip the LSB */ + ldi r21, 2 + ldi r22, 6 + ld r20, Z + add r20, r21 + st Z+, r20 + clr r21 +sha256_nexBlock_fix_length: + brcc sha256_nextBlock_epilog + ld r20, Z + adc r20, r21 + st Z+, r20 + dec r22 + brne sha256_nexBlock_fix_length + +; EPILOG +sha256_nextBlock_epilog: +/* now we should clean up the stack */ + + pop r21 + pop r20 + in r0, SREG + cli ; we want to be uninterrupted while updating SP + out SPL, r20 + out SPH, r21 + out SREG, r0 + + clr r1 + pop r29 + pop r28 + pop r17 + pop r16 + pop r15 + pop r14 + pop r13 + pop r12 + pop r11 + pop r10 + pop r9 + pop r8 + pop r7 + pop r6 + pop r5 + pop r4 + ret + +sha256_kv: ; round-key-vector stored in ProgMem +.word 0x2f98, 0x428a, 0x4491, 0x7137, 0xfbcf, 0xb5c0, 0xdba5, 0xe9b5, 0xc25b, 0x3956, 0x11f1, 0x59f1, 0x82a4, 0x923f, 0x5ed5, 0xab1c +.word 0xaa98, 0xd807, 0x5b01, 0x1283, 0x85be, 0x2431, 0x7dc3, 0x550c, 0x5d74, 0x72be, 0xb1fe, 0x80de, 0x06a7, 0x9bdc, 0xf174, 0xc19b +.word 0x69c1, 0xe49b, 0x4786, 0xefbe, 0x9dc6, 0x0fc1, 0xa1cc, 0x240c, 0x2c6f, 0x2de9, 0x84aa, 0x4a74, 0xa9dc, 0x5cb0, 0x88da, 0x76f9 +.word 0x5152, 0x983e, 0xc66d, 0xa831, 0x27c8, 0xb003, 0x7fc7, 0xbf59, 0x0bf3, 0xc6e0, 0x9147, 0xd5a7, 0x6351, 0x06ca, 0x2967, 0x1429 +.word 0x0a85, 0x27b7, 0x2138, 0x2e1b, 0x6dfc, 0x4d2c, 0x0d13, 0x5338, 0x7354, 0x650a, 0x0abb, 0x766a, 0xc92e, 0x81c2, 0x2c85, 0x9272 +.word 0xe8a1, 0xa2bf, 0x664b, 0xa81a, 0x8b70, 0xc24b, 0x51a3, 0xc76c, 0xe819, 0xd192, 0x0624, 0xd699, 0x3585, 0xf40e, 0xa070, 0x106a +.word 0xc116, 0x19a4, 0x6c08, 0x1e37, 0x774c, 0x2748, 0xbcb5, 0x34b0, 0x0cb3, 0x391c, 0xaa4a, 0x4ed8, 0xca4f, 0x5b9c, 0x6ff3, 0x682e +.word 0x82ee, 0x748f, 0x636f, 0x78a5, 0x7814, 0x84c8, 0x0208, 0x8cc7, 0xfffa, 0x90be, 0x6ceb, 0xa450, 0xa3f7, 0xbef9, 0x78f2, 0xc671 + + +;########################################################### + +.global sha256_init +;uint32_t sha256_init_vector[]={ +; 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, +; 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 }; +; +;void sha256_init(sha256_ctx_t *state){ +; state->length=0; +; memcpy(state->h, sha256_init_vector, 8*4); +;} +; param1: (Func3,r24) 16-bit pointer to sha256_ctx_t struct in ram +; modifys: Z(r30,r31), Func1, r22 +sha256_init: + movw r26, r24 ; (24,25) --> (26,27) load X with param1 + ldi r30, lo8((sha256_init_vector)) + ldi r31, hi8((sha256_init_vector)) + ldi r22, 32 +sha256_init_vloop: + lpm r23, Z+ + st X+, r23 + dec r22 + brne sha256_init_vloop + ldi r22, 8 + clr r1 ;this should not be needed +sha256_init_lloop: + st X+, r1 + dec r22 + brne sha256_init_lloop + ret + +sha256_init_vector: +.word 0xE667, 0x6A09 +.word 0xAE85, 0xBB67 +.word 0xF372, 0x3C6E +.word 0xF53A, 0xA54F +.word 0x527F, 0x510E +.word 0x688C, 0x9B05 +.word 0xD9AB, 0x1F83 +.word 0xCD19, 0x5BE0 + +;########################################################### + +.global rotl32 +; === ROTL32 === +; function that rotates a 32 bit word to the left +; param1: the 32-bit word to rotate +; given in r25,r24,r23,r22 (r25 is most significant) +; param2: an 8-bit value telling how often to rotate +; given in r20 +; modifys: r21, r22 +rotl32: + cpi r20, 8 + brlo bitrotl + mov r21, r25 + mov r25, r24 + mov r24, r23 + mov r23, r22 + mov r22, r21 + subi r20, 8 + rjmp rotr32 +bitrotl: + clr r21 + clc +bitrotl_loop: + tst r20 + breq fixrotl + rol r22 + rol r23 + rol r24 + rol r25 + rol r21 + dec r20 + rjmp bitrotl_loop +fixrotl: + or r22, r21 + ret + + +;########################################################### + +.global rotr32 +; === ROTR32 === +; function that rotates a 32 bit word to the right +; param1: the 32-bit word to rotate +; given in r25,r24,r23,22 (r25 is most significant) +; param2: an 8-bit value telling how often to rotate +; given in r20 +; modifys: r21, r22 +rotr32: + cpi r20, 8 + brlo bitrotr + mov r21, r22 + mov r22, r23 + mov r23, r24 + mov r24, r25 + mov r25, r21 + subi r20, 8 + rjmp rotr32 +bitrotr: + clr r21 + clc +bitrotr_loop: + tst r20 + breq fixrotr + ror r25 + ror r24 + ror r23 + ror r22 + ror r21 + dec r20 + rjmp bitrotr_loop +fixrotr: + or r25, r21 + ret + + +;########################################################### + +.global change_endian32 +; === change_endian32 === +; function that changes the endianess of a 32-bit word +; param1: the 32-bit word +; given in r25,r24,r23,22 (r25 is most significant) +; modifys: r21, r22 +change_endian32: + movw r20, r22 ; (r22,r23) --> (r20,r21) + mov r22, r25 + mov r23, r24 + mov r24, r21 + mov r25, r20 + ret + diff --git a/sha256-asm.h b/sha256-asm.h new file mode 100644 index 0000000..65e4c22 --- /dev/null +++ b/sha256-asm.h @@ -0,0 +1,31 @@ +/** + * File: sha256-asm.h + * Author: Daniel Otte + * Date: 16.05.2006 + * License: GPL + * + */ + +#ifndef SHA256ASM_H_ +#define SHA256ASM_H_ + + +#define SHA256_HASH_BITS 256 +#define SHA256_BLOCK_BITS 512 + +typedef struct { + uint32_t h[8]; + uint64_t length; +} sha256_ctx_t; + +typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8]; + +void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state); +void sha256(sha256_hash_t *dest, void* msg, uint32_t length); +void sha256_init(sha256_ctx_t *state); +void sha256_nextBlock(sha256_ctx_t *state, void* block); +void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length); +uint32_t rotr32(uint32_t, uint8_t); +uint32_t change_endian32(uint32_t x); + +#endif /*SHA256ASM_H_*/ diff --git a/sha256.c b/sha256.c new file mode 100644 index 0000000..f90dba8 --- /dev/null +++ b/sha256.c @@ -0,0 +1,183 @@ +/** + * File: sha256.c + * Author: Daniel Otte + * Date: 16.05.2006 + * License: GPL + * + */ + +#include +#include /* for memcpy, memmove, memset */ +#include "sha256.h" + +#define LITTLE_ENDIAN + +#if defined LITTLE_ENDIAN +#elif defined BIG_ENDIAN +#else + #error specify endianess!!! +#endif + + +uint32_t sha256_init_vector[]={ + 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, + 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 }; + +void sha256_init(sha256_ctx_t *state){ + state->length=0; + memcpy(state->h, sha256_init_vector, 8*4); +} + +/* + * rotate x right by n positions + */ + +uint32_t rotr32( uint32_t x, uint8_t n){ + return ((x>>n) | (x<<(32-n))); +} + +// #define CHANGE_ENDIAN32(x) (((x)<<24) | ((x)>>24) | (((x)& 0x0000ff00)<<8) | (((x)& 0x00ff0000)>>8)) + +uint32_t change_endian32(uint32_t x){ + return (((x)<<24) | ((x)>>24) | (((x)& 0x0000ff00)<<8) | (((x)& 0x00ff0000)>>8)); +} + + +/* sha256 functions as macros for speed and size, cause they are called only once */ + +#define CH(x,y,z) (((x)&(y)) ^ ((~(x))&(z))) +#define MAJ(x,y,z) (((x)&(y)) ^ ((x)&(z)) ^ ((y)&(z))) + +#define SIGMA0(x) (rotr32((x),2) ^ rotr32((x),13) ^ rotr32((x),22)) +#define SIGMA1(x) (rotr32((x),6) ^ rotr32((x),11) ^ rotr32((x),25)) +#define SIGMA_a(x) (rotr32((x),7) ^ rotr32((x),18) ^ ((x)>>3)) +#define SIGMA_b(x) (rotr32((x),17) ^ rotr32((x),19) ^ ((x)>>10)) + + +uint32_t k[]={ + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +}; + + +/** + * block must be, 512, Bit = 64, Byte, long !!! + */ +void sha256_nextBlock (sha256_ctx_t *state, void* block){ + uint32_t w[64]; /* this is 256, byte, large, */ + uint8_t i; + uint32_t a[8],t1,t2; + + /* init w */ +#if defined LITTLE_ENDIAN + for (i=0; i<16; ++i){ + w[i]= change_endian32(((uint32_t*)block)[i]); + } +#elif defined BIG_ENDIAN + memcpy((void*)w, block, 64); +#endif + for (i=16; i<64; ++i){ + w[i] = SIGMA_b(w[i-2]) + w[i-7] + SIGMA_a(w[i-15]) + w[i-16]; + } + + /* init working variables */ + memcpy((void*)a,(void*)(state->h), 8*4); + + /* do the, fun stuff, */ + for (i=0; i<64; ++i){ + t1 = a[7] + SIGMA1(a[4]) + CH(a[4],a[5],a[6]) + k[i] + w[i]; + t2 = SIGMA0(a[0]) + MAJ(a[0],a[1],a[2]); + memmove(&(a[1]), &(a[0]), 7*4); /* a[7]=a[6]; a[6]=a[5]; a[5]=a[4]; a[4]=a[3]; a[3]=a[2]; a[2]=a[1]; a[1]=a[0]; */ + a[4] += t1; + a[0] = t1 + t2; + } + + /* update, the, state, */ + for (i=0; i<8; ++i){ + state->h[i] += a[i]; + } + state->length += 512; +} + +/* + * length is the length of only THIS block in BITS not in bytes! + * bits are big endian, meaning high bits come first. + * if you have a message with bits at the end, the byte must be padded with zeros + * */ +void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length){ + uint8_t lb[SHA256_BLOCK_BITS/8]; /* local block */ + state->length += length; + memcpy (&(lb[0]), block, length/8); + + /* set the final one bit */ + if (length & 0x3){ // if we have single bits at the end + lb[length/8] = ((uint8_t*)(block))[length/8]; + } else { + lb[length/8] = 0; + } + lb[length/8] |= 0x80>>(length & 0x3); + length =(length >> 3) + 1; /* from now on length contains the number of BYTES in lb*/ + /* pad with zeros */ + if (length>64-8){ /* not enouth space for 64bit length value */ + memset((void*)(&(lb[length])), 0, 64-length); + sha256_nextBlock(state, lb); + state->length -= 512; + length = 0; + } + memset((void*)(&(lb[length])), 0, 56-length); + /* store the 64bit length value */ +#if defined LITTLE_ENDIAN + /* this is now rolled up */ + uint8_t i; + for (i=1; i<=8; ++i){ + lb[55+i] = (uint8_t)(state->length>>(64- 8*i)); + } +#elif defined BIG_ENDIAN + *((uint64_t)&(lb[56])) = state->length; +#endif + sha256_nextBlock(state, lb); +} + + +/* + * length in bits! + */ + +void sha256(sha256_hash_t *dest, void* msg, uint32_t length){ /* length could be choosen longer but this is for ?C */ + sha256_ctx_t s; + sha256_init(&s); + while(length >= SHA256_BLOCK_BITS){ + sha256_nextBlock(&s, msg); + msg += SHA256_BLOCK_BITS/8; + length -= SHA256_BLOCK_BITS; + } + sha256_lastBlock(&s, msg, length); + sha256_ctx2hash(dest,&s); +} + + + + +#ifdef sha256_ctx2hash_in_C +void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state){ +#if defined LITTLE_ENDIAN + uint8_t i; + for(i=0; i<8; ++i){ + ((uint32_t*)dest)[i] = change_endian32(state->h[i]); + } +#elif BIG_ENDIAN + if (dest != state->h) + memcpy(dest, state->h, SHA256_HASH_BITS/8); +#else +# error unsupported endian type! +#endif +} +#endif + + diff --git a/sha256.h b/sha256.h new file mode 100644 index 0000000..80970ff --- /dev/null +++ b/sha256.h @@ -0,0 +1,37 @@ +/** + * File: sha256.h + * Author: Daniel Otte + * Date: 16.05.2006 + * License: GPL + * + */ + +#ifndef SHA256_H_ +#define SHA256_H_ + +#define __LITTLE_ENDIAN__ + + +#include + + +#define SHA256_HASH_BITS 256 +#define SHA256_BLOCK_BITS 512 + +typedef struct { + uint32_t h[8]; + uint64_t length; +} sha256_ctx_t; + +typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8]; + +void sha256_init(sha256_ctx_t *state); +void sha256_nextBlock (sha256_ctx_t *state, void* block); +void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length); + +void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state); +void sha256(sha256_hash_t *dest, void* msg, uint32_t length); +uint32_t change_endian32(uint32_t x); + + +#endif /*SHA256_H_*/ diff --git a/uart.c b/uart.c new file mode 100644 index 0000000..c0365e7 --- /dev/null +++ b/uart.c @@ -0,0 +1,181 @@ +/* USART-Init beim ATmegaXX */ + +#include "config.h" + +#include +//#include +#include +#include + +#include "uart.h" + +#ifdef ATMEGA128 +#define UCSRB UCSR0B +#define UCSRC UCSR0C +#define UDR UDR0 +#define UBRRH UBRR0H +#define UBRRL UBRR0L +#define URSEL UMSEL +#endif + + +#define UART_BAUD_CALC(UART_BAUD_RATE,F_OSC) ((F_CPU)/((UART_BAUD_RATE)*16L)-1) + + +#ifdef UART_INTERRUPT +volatile static char rxbuf[UART_RXBUFSIZE]; +volatile static char txbuf[UART_TXBUFSIZE]; +volatile static char *volatile rxhead, *volatile rxtail; +volatile static char *volatile txhead, *volatile txtail; + + +SIGNAL(SIG_UART_DATA) { +#ifdef UART_LEDS + PORTC ^= 0x01; +#endif + + if ( txhead == txtail ) { + UCSRB &= ~(1 << UDRIE); /* disable data register empty IRQ */ + } else { + UDR = *txtail; /* schreibt das Zeichen x auf die Schnittstelle */ + if (++txtail == (txbuf + UART_TXBUFSIZE)) txtail = txbuf; + } +} + +SIGNAL(SIG_UART_RECV) { + int diff; + +#ifdef UART_LEDS + PORTC ^= 0x02; +#endif + + /* buffer full? */ + diff = rxhead - rxtail; + if ( diff < 0 ) diff += UART_RXBUFSIZE; + if (diff < UART_RXBUFSIZE -1) { + // buffer NOT full + *rxhead = UDR; + if (++rxhead == (rxbuf + UART_RXBUFSIZE)) rxhead = rxbuf; + } else { + UDR; //reads the buffer to clear the interrupt condition + } +} + +#endif // UART_INTERRUPT + + +void uart_init(void) { + PORTD |= 0x01; //Pullup an RXD an + + UCSRB |= (1<>8); + UBRRL=(uint8_t)(UART_BAUD_CALC(UART_BAUD_RATE,F_CPU)); + +#ifdef UART_INTERRUPT + // init buffers + rxhead = rxtail = rxbuf; + txhead = txtail = txbuf; + + // activate rx IRQ + UCSRB |= (1 << RXCIE); +#endif // UART_INTERRUPT +} + +#ifdef UART_INTERRUPT +void uart_putc(char c) { + volatile int diff; + + /* buffer full? */ + do { + diff = txhead - txtail; + if ( diff < 0 ) diff += UART_TXBUFSIZE; + } while ( diff >= UART_TXBUFSIZE -1 ); + + cli(); + *txhead = c; + if (++txhead == (txbuf + UART_TXBUFSIZE)) txhead = txbuf; + + UCSRB |= (1 << UDRIE); /* enable data register empty IRQ */ + sei(); +} +#else // WITHOUT INTERRUPT +void uart_putc(char c) { + while (!(UCSRA & (1<>4)&0xf]); + uart_putc(table[(*((char*)buf))&0xf]); + uart_putc(' '); + ++buf; + } +} + + +#ifdef UART_INTERRUPT +char uart_getc(void) +{ + char val; + + while(rxhead==rxtail) ; + + val = *rxtail; + if (++rxtail == (rxbuf + UART_RXBUFSIZE)) rxtail = rxbuf; + + return val; +} +#else // WITHOUT INTERRUPT +char uart_getc(void) +{ + while (!(UCSRA & (1< +#include + +void uart_init(void); + +void uart_putc(char c); +void uart_putstr(char * str); +void uart_putstr_P(PGM_P str); +void uart_hexdump(void* buf, int len); + +char uart_getc(void); +char uart_getc_nb(char *c); // returns 1 on success + +//get one Cariage return terminated line +//echo charakters back on Uart +//returns buffer with zero terminated line on success, 0 pointer otherwise +char * uart_getline_nb(void); + +#endif diff --git a/xtea-asm.S b/xtea-asm.S new file mode 100644 index 0000000..35063f2 --- /dev/null +++ b/xtea-asm.S @@ -0,0 +1,567 @@ +/* xtea-asm.S + * Author: Daniel Otte + * Date: 06.06.2006 + * License: GPL + * Implementation of XTEA for AVR + * include xtea.h in your C-Project to use this functions. +*/ + +V01 = 2 +V02 = 3 +V03 = 4 +V04 = 5 +V11 = 6 +V12 = 7 +V13 = 8 +V14 = 9 +Accu1 = 14 +Accu2 = 15 +Accu3 = 16 +Accu4 = 17 +Sum1 = 18 +Sum2 = 19 +Sum3 = 20 +Sum4 = 21 +Func1 = 22 +Func2 = 23 +Func3 = 24 +Func4 = 25 +C = 28 /* der kleine Zaehler fuer zwischendurch */ + +.global xtea_enc +; == xtea_enc == +; xtea encrytion function +; param1: 16-bit pointer to destination for encrypted block +; given in r25,r24 +; param2: 16-bit pointer to the block (64-bit) which is to encrypt +; given in r23,r22 +; param3: 16-bit pointer to the key (128-bit) +; given in r21,r20 +; +xtea_enc: + /* prolog */ + push r2 + push r3 + push r4 + push r5 + push r6 + push r7 + push r8 + push r9 + push r14 + push r15 + push r16 + push r17 + push r28 + + /* load the block */ + movw r26, r22 /* X points to block */ + movw r30, r20 /* Z points to key */ + ld V01, X+ + ld V02, X+ + ld V03, X+ + ld V04, X+ + ld V11, X+ + ld V12, X+ + ld V13, X+ + ld V14, X+ +; push r25 +; push r24 + movw r26, r24 /* X points to destination */ + + ldi Func1, 32 + mov r0, Func1 /* r1 is cycle-counter */ + clr Sum1 + clr Sum2 + movw Sum3, Sum1 + clt + +1: + movw Accu1, V11 + movw Accu3, V13 + ldi C, 4 +2: lsl Accu1 + rol Accu2 + rol Accu3 + rol Accu4 + dec C + brne 2b /* Accu == V1 << 4 */ + + movw Func1, V11 + movw Func3, V13 + ldi C, 5 +3: lsr Func4 + ror Func3 + ror Func2 + ror Func1 + dec C + brne 3b /* Func == V1 >> 5 */ + + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 + add Accu1, V11 + adc Accu2, V12 + adc Accu3, V13 + adc Accu4, V14 /* Accu == ( (V1<<4)^(V1>>5) ) + V1 */ + + brtc 4f + mov C, Sum2 + lsr C + andi C,(0x03 <<2) + clt + rjmp 5f +4: + mov C, Sum1 /* calc key offset */ + andi C, 0x03 + lsl C + lsl C + set + +5: + add r30, C + adc r31, r1 + ld Func1, Z + ldd Func2, Z+1 + ldd Func3, Z+2 + ldd Func4, Z+3 /* Func = key[sum & 3] */ + sub r30, C + sbci r31, 0 + add Func1, Sum1 + adc Func2, Sum2 + adc Func3, Sum3 + adc Func4, Sum4 + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 /* Accu = ((V1<<4 ^ V1>>5) + V1) ^ (sum + key[sum&3]) */ + add Accu1, V01 + adc Accu2, V02 + adc Accu3, V03 + adc Accu4, V04 + + movw V01, V11 + movw V03, V13 + movw V11, Accu1 + movw V13, Accu3 + + /* sum += delta */ /* delta == 0x9E3779B9 */ + brtc 6f + ldi C, 0xB9 + add Sum1, C + ldi C, 0x79 + adc Sum2, C + ldi C, 0x37 + adc Sum3, C + ldi C, 0x9E + adc Sum4, C + rjmp 1b + +6: + dec r0 + breq 7f + rjmp 1b + + 7: + /* write block back */ + ; pop r26 + ; pop r27 + st X+, V01 + st X+, V02 + st X+, V03 + st X+, V04 + st X+, V11 + st X+, V12 + st X+, V13 + st X+, V14 + + /* epilog */ + pop r28 + pop r17 + pop r16 + pop r15 + pop r14 + pop r9 + pop r8 + pop r7 + pop r6 + pop r5 + pop r4 + pop r3 + pop r2 + ret + +;#################################################################### + + /* #endif TWO_IN_ONE */ + + /* #ifdef TWO_IN_ONE */ + /* now we use the same base-structure for enc- and decryption + to indicate operation mode we use the highest bit of param3 (16 bit pointer to key), + this is ok, since even the larges atmel today has "only" 8k of ram, + but you shouldn't use this feature while using external ram. + */ +.global xtea_enc + ori r21, 0x80 + +.global xtea_dec +; == xtea_dec == +; xtea decrytion function +; param1: 16-bit pointer to destination for decrypted block +; given in r25,r24 +; param2: 16-bit pointer to the block (64-bit) which is to derypt +; given in r23,r22 +; param3: 16-bit pointer to the key (128-bit) +; given in r21,r20 +; +/* +void xtea_dec(uint32_t* dest, uint32_t* v, uint32_t* k) { + uint32_t v0=v[0], v1=v[1], i; + uint32_t sum=0xC6EF3720, delta=0x9E3779B9; + for(i=0; i<32; i++) { + v1 -= ((v0 << 4 ^ v0 >> 5) + v0) ^ (sum + k[sum>>11 & 3]); + sum -= delta; + v0 -= ((v1 << 4 ^ v1 >> 5) + v1) ^ (sum + k[sum & 3]); + } + dest[0]=v0; dest[1]=v1; +} +*/ + +xtea_dec: + /* prolog */ + push r2 + push r3 + push r4 + push r5 + push r6 + push r7 + push r8 + push r9 + push r14 + push r15 + push r16 + push r17 + push r28 + /* load the block */ + movw r26, r22 /* Z points to block */ + movw r30, r20 /* X points to key */ + ld V01, X+ + ld V02, X+ + ld V03, X+ + ld V04, X+ + ld V11, X+ + ld V12, X+ + ld V13, X+ + ld V14, X+ + movw r26, r24 /* Z points to destination */ + + ldi Sum1, 32 + mov r0, Sum1 /* r1 is cycle-counter */ + ldi Sum1, 0x20 /* sum = 0xC6EF3720 */ + ldi Sum2, 0x37 + ldi Sum3, 0xEF + ldi Sum4, 0xC6 + clt + +1: + movw Accu1, V01 + movw Accu3, V03 + ldi C, 4 +2: lsl Accu1 + rol Accu2 + rol Accu3 + rol Accu4 + dec C + brne 2b /* Accu == V0 << 4 */ + + movw Func1, V01 + movw Func3, V03 + ldi C, 5 +3: lsr Func4 + ror Func3 + ror Func2 + ror Func1 + dec C + brne 3b /* Func == V0 >> 5 */ + + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 + add Accu1, V01 + adc Accu2, V02 + adc Accu3, V03 + adc Accu4, V04 /* Accu == ( (V0<<4)^(V0>>5) ) + V0 */ + + brts 4f + mov C, Sum2 + lsr C + andi C,(0x03 <<2) + set + rjmp 5f +4: + mov C, Sum1 /* calc key offset */ + andi C, 0x03 + lsl C + lsl C + clt + +5: + add r30, C + adc r31, r1 + ld Func1, Z + ldd Func2, Z+1 + ldd Func3, Z+2 + ldd Func4, Z+3 /* Func = key[sum & 3] */ + sub r30, C + sbci r31, 0 + add Func1, Sum1 + adc Func2, Sum2 + adc Func3, Sum3 + adc Func4, Sum4 + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 /* Accu = ((V0<<4 ^ V0>>5) + V0) ^ (sum + key[sum&3]) */ + sub V11, Accu1 + sbc V12, Accu2 + sbc V13, Accu3 + sbc V14, Accu4 + + movw Accu1, V01 + movw Accu3, V03 + movw V01, V11 + movw V03, V13 + movw V11, Accu1 + movw V13, Accu3 + + /* sum += delta */ /* delta == 0x9E3779B9 */ + brtc 6f + subi Sum1, 0xB9 + sbci Sum2, 0x79 + sbci Sum3, 0x37 + sbci Sum4, 0x9E + rjmp 1b + +6: + dec r0 + breq 7f + rjmp 1b + +7: + /* write block back */ + st X+, V01 + st X+, V02 + st X+, V03 + st X+, V04 + st X+, V11 + st X+, V12 + st X+, V13 + st X+, V14 + + /* epilog */ + pop r28 + pop r17 + pop r16 + pop r15 + pop r14 + pop r9 + pop r8 + pop r7 + pop r6 + pop r5 + pop r4 + pop r3 + pop r2 + ret + + /* #endif */ + +;#################################################################### + + #ifdef TWO_IN_ONE + /* now we use the same base-structure for enc- and decryption + to indicate operation mode we use the highest bit of param3 (16 bit pointer to key), + this is ok, since even the larges atmel today has "only" 8k of ram, + but you shouldn't use this feature while using external ram. + */ +.global xtea_enc + ori r21, 0x80 + +.global xtea_dec +; == xtea_dec == +; xtea decrytion function +; param1: 16-bit pointer to destination for decrypted block +; given in r25,r24 +; param2: 16-bit pointer to the block (64-bit) which is to derypt +; given in r23,r22 +; param3: 16-bit pointer to the key (128-bit) +; given in r21,r20 +; +/* +void xtea_dec(uint32_t* dest, uint32_t* v, uint32_t* k) { + uint32_t v0=v[0], v1=v[1], i; + uint32_t sum=0xC6EF3720, delta=0x9E3779B9; + for(i=0; i<32; i++) { + v1 -= ((v0 << 4 ^ v0 >> 5) + v0) ^ (sum + k[sum>>11 & 3]); + sum -= delta; + v0 -= ((v1 << 4 ^ v1 >> 5) + v1) ^ (sum + k[sum & 3]); + } + dest[0]=v0; dest[1]=v1; +} +*/ + +xtea_dec: + /* prolog */ + push r2 + push r3 + push r4 + push r5 + push r6 + push r7 + push r8 + push r9 + push r14 + push r15 + push r16 + push r17 + push r28 + /* set T-bit if we are going to encrypt, clear otherwise */ + bst r21, 7 + andi r21, 0x7f /* fix r21:r22 to a real addr */ + /* load the block */ + movw r26, r22 /* Z points to block */ + movw r30, r20 /* X points to key */ + ld V01, X+ + ld V02, X+ + ld V03, X+ + ld V04, X+ + ld V11, X+ + ld V12, X+ + ld V13, X+ + ld V14, X+ + movw r26, r24 /* Z points to destination */ + + ldi Sum1, 32 + mov r0, Sum1 /* r1 is cycle-counter */ + ldi Sum1, 0x20 /* sum = 0xC6EF3720 */ + ldi Sum2, 0x37 + ldi Sum3, 0xEF + ldi Sum4, 0xC6 + clt + +1: + movw Accu1, V01 + movw Accu3, V03 + ldi C, 4 +2: lsl Accu1 + rol Accu2 + rol Accu3 + rol Accu4 + dec C + brne 2b /* Accu == V0 << 4 */ + + movw Func1, V01 + movw Func3, V03 + ldi C, 5 +3: lsr Func4 + ror Func3 + ror Func2 + ror Func1 + dec C + brne 3b /* Func == V0 >> 5 */ + + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 + add Accu1, V01 + adc Accu2, V02 + adc Accu3, V03 + adc Accu4, V04 /* Accu == ( (V0<<4)^(V0>>5) ) + V0 */ + + brts 4f + mov C, Sum2 + lsr C + andi C,(0x03 <<2) + set + rjmp 5f +4: + mov C, Sum1 /* calc key offset */ + andi C, 0x03 + lsl C + lsl C + clt + +5: + add r30, C + adc r31, r1 + ld Func1, Z + ldd Func2, Z+1 + ldd Func3, Z+2 + ldd Func4, Z+3 /* Func = key[sum & 3] */ + sub r30, C + sbci r31, 0 + add Func1, Sum1 + adc Func2, Sum2 + adc Func3, Sum3 + adc Func4, Sum4 + eor Accu1, Func1 + eor Accu2, Func2 + eor Accu3, Func3 + eor Accu4, Func4 /* Accu = ((V0<<4 ^ V0>>5) + V0) ^ (sum + key[sum&3]) */ + sub V11, Accu1 + sbc V12, Accu2 + sbc V13, Accu3 + sbc V14, Accu4 + + movw Accu1, V01 + movw Accu3, V03 + movw V01, V11 + movw V03, V13 + movw V11, Accu1 + movw V13, Accu3 + + /* sum += delta */ /* delta == 0x9E3779B9 */ + brtc 6f + subi Sum1, 0xB9 + sbci Sum2, 0x79 + sbci Sum3, 0x37 + sbci Sum4, 0x9E + rjmp 1b + +6: + dec r0 + breq 7f + rjmp 1b + +7: + /* write block back */ + st X+, V01 + st X+, V02 + st X+, V03 + st X+, V04 + st X+, V11 + st X+, V12 + st X+, V13 + st X+, V14 + + /* epilog */ + pop r28 + pop r17 + pop r16 + pop r15 + pop r14 + pop r9 + pop r8 + pop r7 + pop r6 + pop r5 + pop r4 + pop r3 + pop r2 + ret + + #endif + diff --git a/xtea.c b/xtea.c new file mode 100644 index 0000000..c9fe103 --- /dev/null +++ b/xtea.c @@ -0,0 +1,32 @@ +/* + * XTEA implemantation + * copy'n'pasted from http://en.wikipedia.org/wiki/XTEA + * and slightly modified + * */ + +#include + + +void xtea_enc(uint32_t* dest, uint32_t* v, uint32_t* k) { + uint32_t v0=v[0], v1=v[1], i; + uint32_t sum=0, delta=0x9E3779B9; + for(i=0; i<32; i++) { + v0 += ((v1 << 4 ^ v1 >> 5) + v1) ^ (sum + k[sum & 3]); + sum += delta; + v1 += ((v0 << 4 ^ v0 >> 5) + v0) ^ (sum + k[sum>>11 & 3]); + } + dest[0]=v0; dest[1]=v1; +} + +void xtea_dec(uint32_t* dest, uint32_t* v, uint32_t* k) { + uint32_t v0=v[0], v1=v[1], i; + uint32_t sum=0xC6EF3720, delta=0x9E3779B9; + for(i=0; i<32; i++) { + v1 -= ((v0 << 4 ^ v0 >> 5) + v0) ^ (sum + k[sum>>11 & 3]); + sum -= delta; + v0 -= ((v1 << 4 ^ v1 >> 5) + v1) ^ (sum + k[sum & 3]); + } + dest[0]=v0; dest[1]=v1; +} + + diff --git a/xtea.h b/xtea.h new file mode 100644 index 0000000..a156abd --- /dev/null +++ b/xtea.h @@ -0,0 +1,28 @@ +/* + * Author: Daniel Otte + * Date: 06.06.2006 + * License: GPL + */ + +#ifndef XTEA_H_ +#define XTEA_H_ + +#include + +/* + * this fits for xtea.c and xtea-asm.S + * + */ + + + +/* + * dest: the destination where result of operation will be placed (64 bit) + * v: the block to operate on (64 bit) + * k: the key for en/decryption (128 bit) + */ +void xtea_enc(uint32_t* dest, uint32_t* v, uint32_t* k); +void xtea_dec(uint32_t* dest, uint32_t* v, uint32_t* k); + + +#endif /*XTEA_H_*/ -- 2.39.5