#include <avr/pgmspace.h>
#include <stdlib.h>
#include "hashfunction_descriptor.h"
-#include "twister-big.h"
+#include "twister-large.h"
static const char twister384_str[] PROGMEM = "Twister-384";
#include <avr/pgmspace.h>
#include <stdlib.h>
#include "hashfunction_descriptor.h"
-#include "twister-big.h"
+#include "twister-large.h"
static const char twister512_str[] PROGMEM = "Twister-512";
# comment out the following line for removement of TWISTER from the build process
HASHES += $(ALGO_NAME)
-$(ALGO_NAME)_OBJ := twister-small-asm.o twister-big-asm.o twister-asm.o \
+$(ALGO_NAME)_OBJ := twister-small-asm.o twister-large-asm.o twister-asm.o \
twister224.o twister256.o twister384.o twister512.o
$(ALGO_NAME)_TEST_BIN := main-twister-test.o hfal_twister224.o hfal_twister256.o \
hfal_twister384.o hfal_twister512.o $(CLI_STD) $(HFAL_STD)
# comment out the following line for removement of TWISTER from the build process
HASHES += $(ALGO_NAME)
-$(ALGO_NAME)_OBJ := twister.o twister-small.o twister-big.o memxor.o gf256mul.o
+$(ALGO_NAME)_OBJ := twister.o twister-small.o twister-large.o memxor.o gf256mul.o
$(ALGO_NAME)_TEST_BIN := main-twister-test.o hfal_twister224.o hfal_twister256.o \
hfal_twister384.o hfal_twister512.o $(CLI_STD) $(HFAL_STD)
$(ALGO_NAME)_NESSIE_TEST := "nessie"
#include "debug.h"
#include "twister-small.h"
+#include "twister-large.h"
#include "nessie_hash_test.h"
#include "performance_test.h"
#include "hfal_twister224.h"
.global twister_ctx2hash
.global twister_small_ctx2hash
-.global twister_big_ctx2hash
+.global twister_large_ctx2hash
.global twister224_ctx2hash
.global twister256_ctx2hash
.global twister384_ctx2hash
ldi r21, hi8(512)
; rjmp twister_ctx2hash
-twister_big_ctx2hash:
+twister_large_ctx2hash:
twister_small_ctx2hash:
twister_ctx2hash:
push_range 10, 17
+++ /dev/null
-/* twister-big-asm.S */
-/*
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * \file twister-big-asm.S
- * \email daniel.otte@rub.de
- * \author Daniel Otte
- * \date 2008-12-27
- * \license GPLv3 or later
- *
- */
-
- #include "avr-asm-macros.S"
-
-/* void checksum_update(twister_big_ctx_t* ctx, uint8_t col) */
-/*
- * param ctx: r24:r25
- * param col: r22
- */
-checksum_update:
- push r16
- push r28
- push r29
- lsl r22
- lsl r22
- lsl r22
- mov r16, r22
- movw r30, r24 /* X points to ctx->state.s */
-
- ldd r18, Z+7*8
- ldd r19, Z+6*8
- ldd r20, Z+5*8
- ldd r21, Z+4*8
- ldd r22, Z+3*8
- ldd r23, Z+2*8
- ldd r24, Z+1*8
- ldd r25, Z+0*8
-
- adiw r30, 63
- adiw r30, 1+3*8 /* Z points at ctx->checksum[0][8] */
- movw r28, r30 /* Y points at ctx->checksum[0][8] */
- andi r16, 63
- add r30, r16 /* Z points at ctx->checksum[col][8]*/
- adc r31, r1
- ldi r26, 8
- add r16, r26
- andi r16, 63
- add r28, r16
- adc r29, r1 /* Y points at ctx->checksum[(col+1)%8][8]*/
-
- ld r0, -Y
- add r18, r0
- ld r0, -Z
- eor r0, r18
- st Z, r0
-
- ld r0, -Y
- adc r19, r0
- ld r0, -Z
- eor r0, r19
- st Z, r0
-
- ld r0, -Y
- adc r20, r0
- ld r0, -Z
- eor r0, r20
- st Z, r0
-
- ld r0, -Y
- adc r21, r0
- ld r0, -Z
- eor r0, r21
- st Z, r0
-
- ld r0, -Y
- adc r22, r0
- ld r0, -Z
- eor r0, r22
- st Z, r0
-
- ld r0, -Y
- adc r23, r0
- ld r0, -Z
- eor r0, r23
- st Z, r0
-
- ld r0, -Y
- adc r24, r0
- ld r0, -Z
- eor r0, r24
- st Z, r0
-
- ld r0, -Y
- adc r25, r0
- ld r0, -Z
- eor r0, r25
- st Z, r0
-
- pop r29
- pop r28
- pop r16
- ret
-
-/*********************************************************************/
-/* void twister_big_init(twister_big_ctx_t* ctx, uint16_t hashsize_b)*/
-/*
- * param ctx: r24:r25
- * param hashsize_b: r22:r23
- */
-.global twister384_init
-twister384_init:
- ldi r22, lo8(384)
- ldi r23, hi8(384)
- rjmp twister_big_init
-
-.global twister512_init
-twister512_init:
- ldi r22, lo8(512)
- ldi r23, hi8(512)
-
-.global twister_big_init
-twister_big_init:
- movw r30, r24
- ldi r24, 64
-1:
- st Z+, r1
- dec r24
- brne 1b
-
- dec r1
- ldi r24, 8
-1:
- st Z+, r1
- dec r24
- brne 1b
-
- inc r1
- ldi r24, 8+64
-1:
- st Z+, r1
- dec r24
- brne 1b
-
- subi r30, lo8(1+8+8+8*7+64)
- sbci r31, hi8(1+8+8+8*7+64)
- st Z, r23
- std Z+8, r22
- ret
-
-/*********************************************************************/
-/* void twister_big_nextBlock(twister_state_t* ctx, void* msg) */
-/*
- * param ctx: r24:r25
- * param msg: r22:r23
- */
-CTX_SAVE0 = 14
-CTX_SAVE1 = 15
-TMP_SAVE0 = 12
-TMP_SAVE1 = 13
-MSG_SAVE0 = 28
-MSG_SAVE1 = 29
-.global twister_big_nextBlock
-.global twister384_nextBlock
-.global twister512_nextBlock
-
-twister384_nextBlock:
-twister512_nextBlock:
-twister_big_nextBlock:
- push_range 12, 15
- push r28
- push r29
- stack_alloc_large 64
- adiw r30, 1
- movw TMP_SAVE0, r30
- movw CTX_SAVE0, r24
- movw MSG_SAVE0, r22
- movw r26, CTX_SAVE0
- ldi r18, 64/8
-1:
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- ld r0, X+
- st Z+, r0
- dec r18
- brne 1b
- /* maxi round 1 */
- movw r24, CTX_SAVE0
- ldi r22, 0
- rcall checksum_update
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- ldi r22, 1
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- ldi r22, 2
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r30, TMP_SAVE0
- movw r26, CTX_SAVE0
- ldi r18, 64
-1:
- ld r0, X
- ld r23, Z
- eor r0, r23
- st X+, r0
- st Z+, r0
- dec r18
- brne 1b
- /* maxi round 2 */
- movw r24, CTX_SAVE0
- ldi r22, 3
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- rcall twister_blank_round
-
- movw r24, CTX_SAVE0
- ldi r22, 4
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r30, TMP_SAVE0
- movw r26, CTX_SAVE0
- ldi r18, 64
-1:
- ld r0, X
- ld r23, Z
- eor r0, r23
- st X+, r0
- st Z+, r0
- dec r18
- brne 1b
- /* maxi round 3 */
- movw r24, CTX_SAVE0
- ldi r22, 5
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- ldi r22, 6
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- ldi r22, 7
- rcall checksum_update
- adiw MSG_SAVE0, 8
- movw r22, MSG_SAVE0
- movw r24, CTX_SAVE0
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- rcall twister_blank_round
-
- movw r30, TMP_SAVE0
- movw r26, CTX_SAVE0
- ldi r18, 64
-1:
- ld r0, X
- ld r23, Z+
- eor r0, r23
- st X+, r0
- dec r18
- brne 1b
-
- adiw r26, 9
- ldi r19, 2
- ld r0, X
- add r0, r19
- st X+, r0
-
- ld r0, X
- adc r0, r1
- st X+, r0
- ld r0, X
- adc r0, r1
- st X+, r0
- ld r0, X
- adc r0, r1
- st X+, r0
- ld r0, X
- adc r0, r1
- st X+, r0
- ld r0, X
- adc r0, r1
- st X+, r0
- ld r0, X
- adc r0, r1
- st X+, r0
- ld r0, X
- adc r0, r1
- st X+, r0
-
- stack_free_large 64
- pop r29
- pop r28
- pop_range 12, 15
- ret
-
-/*********************************************************************/
-/* void twister_big_lastBlock(twister_state_t* ctx, void* msg, uint16_t length_b) */
-/*
- * param ctx: r24:r25
- * param msg: r22:r23
- * param length_b: r20:r21
- */
-TMP_SAVE0 = 12
-TMP_SAVE1 = 13
-CTX_SAVE0 = 14
-CTX_SAVE1 = 15
-LEN_SAVE0 = 16
-LEN_SAVE1 = 17
-MSG_SAVE0 = 28
-MSG_SAVE1 = 29
-.global twister_big_lastBlock
-.global twister384_lastBlock
-.global twister512_lastBlock
-
-twister384_lastBlock:
-twister512_lastBlock:
-twister_big_lastBlock:
- push_range 12, 17
- push r28
- push r29
- stack_alloc_large 64
- adiw r30, 1
- movw TMP_SAVE0, r30
- movw CTX_SAVE0, r24
- movw MSG_SAVE0, r22
- movw LEN_SAVE0, r20
-1:
- cpi LEN_SAVE1, 2
- brmi 2f
- movw r24, CTX_SAVE0
- movw r22, MSG_SAVE0
- rcall twister_big_nextBlock
- adiw MSG_SAVE0, 8
- subi LEN_SAVE1, 2
- rjmp 1b
-2:
- movw r18, LEN_SAVE0
- lsr r19
- ror r18
- lsr r18
- lsr r18
- ldi r19, 63
- movw r26, MSG_SAVE0
- movw r30, TMP_SAVE0
- ldi r20, 0x80
- sub r19, r18 /* r18: bytes to copy, r19: bytes to clear */
-
- ld r0, X+
-3:
- tst r18
- breq 4f
-31:
- st Z+, r0
- ld r0, X+
- dec r18
- brne 31b
-4:
- mov r18, LEN_SAVE0
- andi r18, 0x07
- ldi r20, 0x80
- breq 5f
-4:
- lsr r20
- dec r18
- brne 4b
- or r20, r0
- rjmp 5f
-
-5:
- st Z+, r20
- tst r19
- breq 7f
-6:
- st Z+, r1
- dec r19
- brne 6b
-7:
- movw r24, CTX_SAVE0
- movw r22, TMP_SAVE0
- rcall twister_big_nextBlock
-
- ldi r19, 2
- clr r18
-
- sub r18, LEN_SAVE0
- sbc r19, LEN_SAVE1
- movw r26, CTX_SAVE0
- adiw r26, 63
- adiw r26, 1+8
-
- ld r0, X
- sub r0, r18
- st X+, r0
- ld r0, X
- sbc r0, r19
- st X+, r0
- ld r0, X
- sbc r0, r1
- st X+, r0
- ld r0, X
- sbc r0, r1
- st X+, r0
- ld r0, X
- sbc r0, r1
- st X+, r0
- ld r0, X
- sbc r0, r1
- st X+, r0
- ld r0, X
- sbc r0, r1
- st X+, r0
- ld r0, X
- sbc r0, r1
- st X+, r0
-
- sbiw r26, 8
- movw r24, CTX_SAVE0
- movw r22, r26
- rcall twister_mini_round
-
- movw r24, CTX_SAVE0
- movw r22, CTX_SAVE0
- ldi r16, 64+8+8
- add r22, r16
- adc r23, r1
- movw r30, r22
- ldi r26, 8
-1:
- ld r12, Z+
- ld r13, Z+
- ld r16, Z+
- ld r17, Z+
- ld r18, Z+
- ld r19, Z+
- ld r20, Z+
- ld r21, Z+
- st -Z, r12
- st -Z, r13
- st -Z, r16
- st -Z, r17
- st -Z, r18
- st -Z, r19
- st -Z, r20
- st -Z, r21
- adiw r30, 8
- dec r26
- brne 1b
-
- movw r24, CTX_SAVE0
- movw r22, CTX_SAVE0
- ldi r26, 64+2*8
- add r22, r26
- adc r23, r1
- rcall twister_small_nextBlock
-
- stack_free_large 64
- pop r29
- pop r28
- pop_range 12, 17
- ret
+++ /dev/null
-/* twister-big.c */
-/*
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-#include <string.h>
-#include "memxor.h"
-#include "twister.h"
-#include "twister-big.h"
-
-/*********************************************************************/
-
-static
-void checksum_update(twister_big_ctx_t* ctx, uint8_t col){
- uint8_t i, col2;
- uint8_t carry = 0;
- int sum = 0;
-
- col2 = (col+1)%8;
-
- for( i=0; i<8; i++ )
- {
- sum = (int) ctx->checksum[col2][7-i]
- + (int) ctx->state.s[7-i][0] /* col or 0 ???*/
- + carry;
- ctx->checksum[col][7-i] ^= (uint8_t)sum;
- carry = sum>>8;
-
- }
-}
-
-/*********************************************************************/
-
-void twister_big_init(twister_big_ctx_t* ctx, uint16_t hashsize_b){
- memset(ctx->state.s, 0, 64);
- memset(ctx->checksum, 0, 64);
- ctx->state.counter=0xffffffffffffffffLL;
- ctx->state.s[0][7] = hashsize_b>>8;
- ctx->state.s[1][7] = hashsize_b&0xff;
- ctx->state.length_counter_b = 0;
-}
-
-/*********************************************************************/
-
-void twister_big_nextBlock(twister_big_ctx_t* ctx, const void* msg){
- uint8_t tmp[8][8];
-
- /* 1st maxi round */
- memcpy(tmp, ctx->state.s, 64);
- checksum_update(ctx, 0);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
-
- checksum_update(ctx, 1);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
-
- checksum_update(ctx, 2);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
- memxor(ctx->state.s, tmp, 64);
-
- /* 2nd maxi round */
- memcpy(tmp, ctx->state.s, 64);
- checksum_update(ctx, 3);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
-
- twister_blank_round(&(ctx->state));
-
- checksum_update(ctx, 4);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
- memxor(ctx->state.s, tmp, 64);
-
- /* 3rd maxi round */
- memcpy(tmp, ctx->state.s, 64);
- checksum_update(ctx, 5);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
-
- checksum_update(ctx, 6);
- twister_mini_round(&(ctx->state), msg);
- msg = (uint8_t*)msg + 8;
-
- checksum_update(ctx, 7);
- twister_mini_round(&(ctx->state), msg);
-
- twister_blank_round(&(ctx->state));
- memxor(ctx->state.s, tmp, 64);
- ctx->state.length_counter_b += 512;
-}
-
-/*********************************************************************/
-
-void twister_inject_chksum(twister_big_ctx_t* ctx, uint8_t col){
- *((uint64_t*)(&ctx->state.s[7][0])) ^= *((uint64_t*)(&ctx->checksum[col][0]));
- twister_blank_round(&ctx->state);
-}
-
-/*********************************************************************/
-
-void twister_big_lastBlock(twister_big_ctx_t* ctx, const void* msg, uint16_t length_b){
- uint8_t tmp[64];
- while(length_b>=512){
- twister_big_nextBlock(ctx, msg);
- msg = ((uint8_t*)msg)+64;
- length_b -= 512;
- }
- memset(tmp, 0, 64);
- memcpy(tmp, msg, (length_b+7)/8);
- tmp[length_b/8] |= 0x80 >> (length_b&0x07);
- twister_big_nextBlock(ctx, tmp);
- ctx->state.length_counter_b -= 512 - length_b;
- twister_mini_round(&(ctx->state), &(ctx->state.length_counter_b));
-
- memcpy(tmp, ctx->state.s, 64);
- twister_inject_chksum(ctx, 0);
- twister_inject_chksum(ctx, 1);
- twister_inject_chksum(ctx, 2);
- memxor(ctx->state.s, tmp, 64);
-
- memcpy(tmp, ctx->state.s, 64);
- twister_inject_chksum(ctx, 3);
- twister_inject_chksum(ctx, 4);
- twister_inject_chksum(ctx, 5);
- memxor(ctx->state.s, tmp, 64);
-
- memcpy(tmp, ctx->state.s, 64);
- twister_inject_chksum(ctx, 6);
- twister_inject_chksum(ctx, 7);
- twister_blank_round(&(ctx->state));
- memxor(ctx->state.s, tmp, 64);
-
-}
-
-/*********************************************************************/
-
-void twister_big_ctx2hash(void* dest, twister_big_ctx_t* ctx, uint16_t hashsize_b){
- twister_ctx2hash(dest, &(ctx->state), hashsize_b);
-}
-
-/*********************************************************************/
-/*********************************************************************/
-
-void twister384_init(twister384_ctx_t* ctx){
- twister_big_init(ctx, 384);
-}
-
-/*********************************************************************/
-
-void twister384_nextBlock(twister384_ctx_t* ctx, const void* msg){
- twister_big_nextBlock(ctx, msg);
-}
-
-/*********************************************************************/
-
-void twister384_lastBlock(twister384_ctx_t* ctx, const void* msg, uint16_t length_b){
- twister_big_lastBlock(ctx, msg, length_b);
-}
-
-/*********************************************************************/
-
-void twister384_ctx2hash(void* dest, twister384_ctx_t* ctx){
- twister_big_ctx2hash(dest, ctx, 384);
-}
-
-/*********************************************************************/
-
-void twister384(void* dest, const void* msg, uint32_t msg_length_b){
- twister_big_ctx_t ctx;
- twister_big_init(&ctx, 384);
- while(msg_length_b >=512){
- twister_big_nextBlock(&ctx, msg);
- msg = (uint8_t*)msg + 512/8;
- msg_length_b -= 512;
- }
- twister_big_lastBlock(&ctx, msg, msg_length_b);
- twister_big_ctx2hash(dest, &ctx, 384);
-}
-
-/*********************************************************************/
-/*********************************************************************/
-
-
-void twister512_init(twister512_ctx_t* ctx){
- twister_big_init(ctx, 512);
-}
-
-/*********************************************************************/
-
-void twister512_nextBlock(twister512_ctx_t* ctx, const void* msg){
- twister_big_nextBlock(ctx, msg);
-}
-
-/*********************************************************************/
-
-void twister512_lastBlock(twister512_ctx_t* ctx, const void* msg, uint16_t length_b){
- twister_big_lastBlock(ctx, msg, length_b);
-}
-
-/*********************************************************************/
-
-void twister512_ctx2hash(void* dest, twister512_ctx_t* ctx){
- twister_big_ctx2hash(dest, ctx, 512);
-}
-
-/*********************************************************************/
-
-void twister512(void* dest, const void* msg, uint32_t msg_length_b){
- twister_big_ctx_t ctx;
- twister_big_init(&ctx, 512);
- while(msg_length_b >=512){
- twister_big_nextBlock(&ctx, msg);
- msg = (uint8_t*)msg + 512/8;
- msg_length_b -= 512;
- }
- twister_big_lastBlock(&ctx, msg, msg_length_b);
- twister_big_ctx2hash(dest, &ctx, 512);
-}
-
-
-
+++ /dev/null
-/* twister-big.h */
-
-#ifndef TWISTER_BIG_H_
-#define TWISTER_BIG_H_
-
-#include <stdint.h>
-#include "twister.h"
-
-typedef uint8_t twister384_hash_t[384/8];
-typedef uint8_t twister512_hash_t[512/8];
-
-typedef struct {
- twister_state_t state;
- twister_checksum_t checksum;
-} twister_big_ctx_t;
-
-typedef twister_big_ctx_t twister384_ctx_t;
-typedef twister_big_ctx_t twister512_ctx_t;
-
-/*********************************************************************/
-
-void twister_big_nextBlock(twister_big_ctx_t* ctx, const void* msg);
-void twister_big_init(twister_big_ctx_t* ctx, uint16_t hashsize_b);
-void twister_big_lastBlock(twister_big_ctx_t* ctx, const void* msg, uint16_t length_b);
-void twister_big_ctx2hash(void* dest, twister_big_ctx_t* ctx, uint16_t hashsize_b);
-
-/*********************************************************************/
-
-void twister384_init(twister384_ctx_t* ctx);
-void twister384_nextBlock(twister384_ctx_t* ctx, const void* msg);
-void twister384_lastBlock(twister384_ctx_t* ctx, const void* msg, uint16_t length_b);
-void twister384_ctx2hash(void* dest, twister384_ctx_t* ctx);
-void twister384(void* dest, const void* msg, uint32_t msg_length_b);
-
-/*********************************************************************/
-
-void twister512_init(twister512_ctx_t* ctx);
-void twister512_nextBlock(twister512_ctx_t* ctx, const void* msg);
-void twister512_lastBlock(twister512_ctx_t* ctx, const void* msg, uint16_t length_b);
-void twister512_ctx2hash(void* dest, twister512_ctx_t* ctx);
-void twister512(void* dest, const void* msg, uint32_t msg_length_b);
-
-
-#endif /* TWISTER_BIG_H_ */
-
--- /dev/null
+/* twister-large-asm.S */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * \file twister-large-asm.S
+ * \email daniel.otte@rub.de
+ * \author Daniel Otte
+ * \date 2008-12-27
+ * \license GPLv3 or later
+ *
+ */
+
+ #include "avr-asm-macros.S"
+
+/* void checksum_update(twister_large_ctx_t* ctx, uint8_t col) */
+/*
+ * param ctx: r24:r25
+ * param col: r22
+ */
+checksum_update:
+ push r16
+ push r28
+ push r29
+ lsl r22
+ lsl r22
+ lsl r22
+ mov r16, r22
+ movw r30, r24 /* X points to ctx->state.s */
+
+ ldd r18, Z+7*8
+ ldd r19, Z+6*8
+ ldd r20, Z+5*8
+ ldd r21, Z+4*8
+ ldd r22, Z+3*8
+ ldd r23, Z+2*8
+ ldd r24, Z+1*8
+ ldd r25, Z+0*8
+
+ adiw r30, 63
+ adiw r30, 1+3*8 /* Z points at ctx->checksum[0][8] */
+ movw r28, r30 /* Y points at ctx->checksum[0][8] */
+ andi r16, 63
+ add r30, r16 /* Z points at ctx->checksum[col][8]*/
+ adc r31, r1
+ ldi r26, 8
+ add r16, r26
+ andi r16, 63
+ add r28, r16
+ adc r29, r1 /* Y points at ctx->checksum[(col+1)%8][8]*/
+
+ ld r0, -Y
+ add r18, r0
+ ld r0, -Z
+ eor r0, r18
+ st Z, r0
+
+ ld r0, -Y
+ adc r19, r0
+ ld r0, -Z
+ eor r0, r19
+ st Z, r0
+
+ ld r0, -Y
+ adc r20, r0
+ ld r0, -Z
+ eor r0, r20
+ st Z, r0
+
+ ld r0, -Y
+ adc r21, r0
+ ld r0, -Z
+ eor r0, r21
+ st Z, r0
+
+ ld r0, -Y
+ adc r22, r0
+ ld r0, -Z
+ eor r0, r22
+ st Z, r0
+
+ ld r0, -Y
+ adc r23, r0
+ ld r0, -Z
+ eor r0, r23
+ st Z, r0
+
+ ld r0, -Y
+ adc r24, r0
+ ld r0, -Z
+ eor r0, r24
+ st Z, r0
+
+ ld r0, -Y
+ adc r25, r0
+ ld r0, -Z
+ eor r0, r25
+ st Z, r0
+
+ pop r29
+ pop r28
+ pop r16
+ ret
+
+/*********************************************************************/
+/* void twister_large_init(twister_large_ctx_t* ctx, uint16_t hashsize_b)*/
+/*
+ * param ctx: r24:r25
+ * param hashsize_b: r22:r23
+ */
+.global twister384_init
+twister384_init:
+ ldi r22, lo8(384)
+ ldi r23, hi8(384)
+ rjmp twister_large_init
+
+.global twister512_init
+twister512_init:
+ ldi r22, lo8(512)
+ ldi r23, hi8(512)
+
+.global twister_large_init
+twister_large_init:
+ movw r30, r24
+ ldi r24, 64
+1:
+ st Z+, r1
+ dec r24
+ brne 1b
+
+ dec r1
+ ldi r24, 8
+1:
+ st Z+, r1
+ dec r24
+ brne 1b
+
+ inc r1
+ ldi r24, 8+64
+1:
+ st Z+, r1
+ dec r24
+ brne 1b
+
+ subi r30, lo8(1+8+8+8*7+64)
+ sbci r31, hi8(1+8+8+8*7+64)
+ st Z, r23
+ std Z+8, r22
+ ret
+
+/*********************************************************************/
+/* void twister_large_nextBlock(twister_state_t* ctx, void* msg) */
+/*
+ * param ctx: r24:r25
+ * param msg: r22:r23
+ */
+CTX_SAVE0 = 14
+CTX_SAVE1 = 15
+TMP_SAVE0 = 12
+TMP_SAVE1 = 13
+MSG_SAVE0 = 28
+MSG_SAVE1 = 29
+.global twister_large_nextBlock
+.global twister384_nextBlock
+.global twister512_nextBlock
+
+twister384_nextBlock:
+twister512_nextBlock:
+twister_large_nextBlock:
+ push_range 12, 15
+ push r28
+ push r29
+ stack_alloc_large 64
+ adiw r30, 1
+ movw TMP_SAVE0, r30
+ movw CTX_SAVE0, r24
+ movw MSG_SAVE0, r22
+ movw r26, CTX_SAVE0
+ ldi r18, 64/8
+1:
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ ld r0, X+
+ st Z+, r0
+ dec r18
+ brne 1b
+ /* maxi round 1 */
+ movw r24, CTX_SAVE0
+ ldi r22, 0
+ rcall checksum_update
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ ldi r22, 1
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ ldi r22, 2
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r30, TMP_SAVE0
+ movw r26, CTX_SAVE0
+ ldi r18, 64
+1:
+ ld r0, X
+ ld r23, Z
+ eor r0, r23
+ st X+, r0
+ st Z+, r0
+ dec r18
+ brne 1b
+ /* maxi round 2 */
+ movw r24, CTX_SAVE0
+ ldi r22, 3
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ rcall twister_blank_round
+
+ movw r24, CTX_SAVE0
+ ldi r22, 4
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r30, TMP_SAVE0
+ movw r26, CTX_SAVE0
+ ldi r18, 64
+1:
+ ld r0, X
+ ld r23, Z
+ eor r0, r23
+ st X+, r0
+ st Z+, r0
+ dec r18
+ brne 1b
+ /* maxi round 3 */
+ movw r24, CTX_SAVE0
+ ldi r22, 5
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ ldi r22, 6
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ ldi r22, 7
+ rcall checksum_update
+ adiw MSG_SAVE0, 8
+ movw r22, MSG_SAVE0
+ movw r24, CTX_SAVE0
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ rcall twister_blank_round
+
+ movw r30, TMP_SAVE0
+ movw r26, CTX_SAVE0
+ ldi r18, 64
+1:
+ ld r0, X
+ ld r23, Z+
+ eor r0, r23
+ st X+, r0
+ dec r18
+ brne 1b
+
+ adiw r26, 9
+ ldi r19, 2
+ ld r0, X
+ add r0, r19
+ st X+, r0
+
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+ ld r0, X
+ adc r0, r1
+ st X+, r0
+
+ stack_free_large 64
+ pop r29
+ pop r28
+ pop_range 12, 15
+ ret
+
+/*********************************************************************/
+/* void twister_large_lastBlock(twister_state_t* ctx, void* msg, uint16_t length_b) */
+/*
+ * param ctx: r24:r25
+ * param msg: r22:r23
+ * param length_b: r20:r21
+ */
+TMP_SAVE0 = 12
+TMP_SAVE1 = 13
+CTX_SAVE0 = 14
+CTX_SAVE1 = 15
+LEN_SAVE0 = 16
+LEN_SAVE1 = 17
+MSG_SAVE0 = 28
+MSG_SAVE1 = 29
+.global twister_large_lastBlock
+.global twister384_lastBlock
+.global twister512_lastBlock
+
+twister384_lastBlock:
+twister512_lastBlock:
+twister_large_lastBlock:
+ push_range 12, 17
+ push r28
+ push r29
+ stack_alloc_large 64
+ adiw r30, 1
+ movw TMP_SAVE0, r30
+ movw CTX_SAVE0, r24
+ movw MSG_SAVE0, r22
+ movw LEN_SAVE0, r20
+1:
+ cpi LEN_SAVE1, 2
+ brmi 2f
+ movw r24, CTX_SAVE0
+ movw r22, MSG_SAVE0
+ rcall twister_large_nextBlock
+ adiw MSG_SAVE0, 8
+ subi LEN_SAVE1, 2
+ rjmp 1b
+2:
+ movw r18, LEN_SAVE0
+ lsr r19
+ ror r18
+ lsr r18
+ lsr r18
+ ldi r19, 63
+ movw r26, MSG_SAVE0
+ movw r30, TMP_SAVE0
+ ldi r20, 0x80
+ sub r19, r18 /* r18: bytes to copy, r19: bytes to clear */
+
+ ld r0, X+
+3:
+ tst r18
+ breq 4f
+31:
+ st Z+, r0
+ ld r0, X+
+ dec r18
+ brne 31b
+4:
+ mov r18, LEN_SAVE0
+ andi r18, 0x07
+ ldi r20, 0x80
+ breq 5f
+4:
+ lsr r20
+ dec r18
+ brne 4b
+ or r20, r0
+ rjmp 5f
+
+5:
+ st Z+, r20
+ tst r19
+ breq 7f
+6:
+ st Z+, r1
+ dec r19
+ brne 6b
+7:
+ movw r24, CTX_SAVE0
+ movw r22, TMP_SAVE0
+ rcall twister_large_nextBlock
+
+ ldi r19, 2
+ clr r18
+
+ sub r18, LEN_SAVE0
+ sbc r19, LEN_SAVE1
+ movw r26, CTX_SAVE0
+ adiw r26, 63
+ adiw r26, 1+8
+
+ ld r0, X
+ sub r0, r18
+ st X+, r0
+ ld r0, X
+ sbc r0, r19
+ st X+, r0
+ ld r0, X
+ sbc r0, r1
+ st X+, r0
+ ld r0, X
+ sbc r0, r1
+ st X+, r0
+ ld r0, X
+ sbc r0, r1
+ st X+, r0
+ ld r0, X
+ sbc r0, r1
+ st X+, r0
+ ld r0, X
+ sbc r0, r1
+ st X+, r0
+ ld r0, X
+ sbc r0, r1
+ st X+, r0
+
+ sbiw r26, 8
+ movw r24, CTX_SAVE0
+ movw r22, r26
+ rcall twister_mini_round
+
+ movw r24, CTX_SAVE0
+ movw r22, CTX_SAVE0
+ ldi r16, 64+8+8
+ add r22, r16
+ adc r23, r1
+ movw r30, r22
+ ldi r26, 8
+1:
+ ld r12, Z+
+ ld r13, Z+
+ ld r16, Z+
+ ld r17, Z+
+ ld r18, Z+
+ ld r19, Z+
+ ld r20, Z+
+ ld r21, Z+
+ st -Z, r12
+ st -Z, r13
+ st -Z, r16
+ st -Z, r17
+ st -Z, r18
+ st -Z, r19
+ st -Z, r20
+ st -Z, r21
+ adiw r30, 8
+ dec r26
+ brne 1b
+
+ movw r24, CTX_SAVE0
+ movw r22, CTX_SAVE0
+ ldi r26, 64+2*8
+ add r22, r26
+ adc r23, r1
+ rcall twister_small_nextBlock
+
+ stack_free_large 64
+ pop r29
+ pop r28
+ pop_range 12, 17
+ ret
--- /dev/null
+/* twister-large.c */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+#include <string.h>
+#include "memxor.h"
+#include "twister.h"
+#include "twister-large.h"
+
+/*********************************************************************/
+
+static
+void checksum_update(twister_large_ctx_t* ctx, uint8_t col){
+ uint8_t i, col2;
+ uint8_t carry = 0;
+ int sum = 0;
+
+ col2 = (col+1)%8;
+
+ for( i=0; i<8; i++ )
+ {
+ sum = (int) ctx->checksum[col2][7-i]
+ + (int) ctx->state.s[7-i][0] /* col or 0 ???*/
+ + carry;
+ ctx->checksum[col][7-i] ^= (uint8_t)sum;
+ carry = sum>>8;
+
+ }
+}
+
+/*********************************************************************/
+
+void twister_large_init(twister_large_ctx_t* ctx, uint16_t hashsize_b){
+ memset(ctx->state.s, 0, 64);
+ memset(ctx->checksum, 0, 64);
+ ctx->state.counter=0xffffffffffffffffLL;
+ ctx->state.s[0][7] = hashsize_b>>8;
+ ctx->state.s[1][7] = hashsize_b&0xff;
+ ctx->state.length_counter_b = 0;
+}
+
+/*********************************************************************/
+
+void twister_large_nextBlock(twister_large_ctx_t* ctx, const void* msg){
+ uint8_t tmp[8][8];
+
+ /* 1st maxi round */
+ memcpy(tmp, ctx->state.s, 64);
+ checksum_update(ctx, 0);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+
+ checksum_update(ctx, 1);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+
+ checksum_update(ctx, 2);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+ memxor(ctx->state.s, tmp, 64);
+
+ /* 2nd maxi round */
+ memcpy(tmp, ctx->state.s, 64);
+ checksum_update(ctx, 3);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+
+ twister_blank_round(&(ctx->state));
+
+ checksum_update(ctx, 4);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+ memxor(ctx->state.s, tmp, 64);
+
+ /* 3rd maxi round */
+ memcpy(tmp, ctx->state.s, 64);
+ checksum_update(ctx, 5);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+
+ checksum_update(ctx, 6);
+ twister_mini_round(&(ctx->state), msg);
+ msg = (uint8_t*)msg + 8;
+
+ checksum_update(ctx, 7);
+ twister_mini_round(&(ctx->state), msg);
+
+ twister_blank_round(&(ctx->state));
+ memxor(ctx->state.s, tmp, 64);
+ ctx->state.length_counter_b += 512;
+}
+
+/*********************************************************************/
+
+void twister_inject_chksum(twister_large_ctx_t* ctx, uint8_t col){
+ *((uint64_t*)(&ctx->state.s[7][0])) ^= *((uint64_t*)(&ctx->checksum[col][0]));
+ twister_blank_round(&ctx->state);
+}
+
+/*********************************************************************/
+
+void twister_large_lastBlock(twister_large_ctx_t* ctx, const void* msg, uint16_t length_b){
+ uint8_t tmp[64];
+ while(length_b>=512){
+ twister_large_nextBlock(ctx, msg);
+ msg = ((uint8_t*)msg)+64;
+ length_b -= 512;
+ }
+ memset(tmp, 0, 64);
+ memcpy(tmp, msg, (length_b+7)/8);
+ tmp[length_b/8] |= 0x80 >> (length_b&0x07);
+ twister_large_nextBlock(ctx, tmp);
+ ctx->state.length_counter_b -= 512 - length_b;
+ twister_mini_round(&(ctx->state), &(ctx->state.length_counter_b));
+
+ memcpy(tmp, ctx->state.s, 64);
+ twister_inject_chksum(ctx, 0);
+ twister_inject_chksum(ctx, 1);
+ twister_inject_chksum(ctx, 2);
+ memxor(ctx->state.s, tmp, 64);
+
+ memcpy(tmp, ctx->state.s, 64);
+ twister_inject_chksum(ctx, 3);
+ twister_inject_chksum(ctx, 4);
+ twister_inject_chksum(ctx, 5);
+ memxor(ctx->state.s, tmp, 64);
+
+ memcpy(tmp, ctx->state.s, 64);
+ twister_inject_chksum(ctx, 6);
+ twister_inject_chksum(ctx, 7);
+ twister_blank_round(&(ctx->state));
+ memxor(ctx->state.s, tmp, 64);
+
+}
+
+/*********************************************************************/
+
+void twister_large_ctx2hash(void* dest, twister_large_ctx_t* ctx, uint16_t hashsize_b){
+ twister_ctx2hash(dest, &(ctx->state), hashsize_b);
+}
+
+/*********************************************************************/
+/*********************************************************************/
+
+void twister384_init(twister384_ctx_t* ctx){
+ twister_large_init(ctx, 384);
+}
+
+/*********************************************************************/
+
+void twister384_nextBlock(twister384_ctx_t* ctx, const void* msg){
+ twister_large_nextBlock(ctx, msg);
+}
+
+/*********************************************************************/
+
+void twister384_lastBlock(twister384_ctx_t* ctx, const void* msg, uint16_t length_b){
+ twister_large_lastBlock(ctx, msg, length_b);
+}
+
+/*********************************************************************/
+
+void twister384_ctx2hash(void* dest, twister384_ctx_t* ctx){
+ twister_large_ctx2hash(dest, ctx, 384);
+}
+
+/*********************************************************************/
+
+void twister384(void* dest, const void* msg, uint32_t msg_length_b){
+ twister_large_ctx_t ctx;
+ twister_large_init(&ctx, 384);
+ while(msg_length_b >=512){
+ twister_large_nextBlock(&ctx, msg);
+ msg = (uint8_t*)msg + 512/8;
+ msg_length_b -= 512;
+ }
+ twister_large_lastBlock(&ctx, msg, msg_length_b);
+ twister_large_ctx2hash(dest, &ctx, 384);
+}
+
+/*********************************************************************/
+/*********************************************************************/
+
+
+void twister512_init(twister512_ctx_t* ctx){
+ twister_large_init(ctx, 512);
+}
+
+/*********************************************************************/
+
+void twister512_nextBlock(twister512_ctx_t* ctx, const void* msg){
+ twister_large_nextBlock(ctx, msg);
+}
+
+/*********************************************************************/
+
+void twister512_lastBlock(twister512_ctx_t* ctx, const void* msg, uint16_t length_b){
+ twister_large_lastBlock(ctx, msg, length_b);
+}
+
+/*********************************************************************/
+
+void twister512_ctx2hash(void* dest, twister512_ctx_t* ctx){
+ twister_large_ctx2hash(dest, ctx, 512);
+}
+
+/*********************************************************************/
+
+void twister512(void* dest, const void* msg, uint32_t msg_length_b){
+ twister_large_ctx_t ctx;
+ twister_large_init(&ctx, 512);
+ while(msg_length_b >=512){
+ twister_large_nextBlock(&ctx, msg);
+ msg = (uint8_t*)msg + 512/8;
+ msg_length_b -= 512;
+ }
+ twister_large_lastBlock(&ctx, msg, msg_length_b);
+ twister_large_ctx2hash(dest, &ctx, 512);
+}
+
+
+
--- /dev/null
+/* twister-large.h */
+
+#ifndef TWISTER_large_H_
+#define TWISTER_large_H_
+
+#include <stdint.h>
+#include "twister.h"
+
+typedef uint8_t twister384_hash_t[384/8];
+typedef uint8_t twister512_hash_t[512/8];
+
+typedef struct {
+ twister_state_t state;
+ twister_checksum_t checksum;
+} twister_large_ctx_t;
+
+typedef twister_large_ctx_t twister384_ctx_t;
+typedef twister_large_ctx_t twister512_ctx_t;
+
+/*********************************************************************/
+
+void twister_large_nextBlock(twister_large_ctx_t* ctx, const void* msg);
+void twister_large_init(twister_large_ctx_t* ctx, uint16_t hashsize_b);
+void twister_large_lastBlock(twister_large_ctx_t* ctx, const void* msg, uint16_t length_b);
+void twister_large_ctx2hash(void* dest, twister_large_ctx_t* ctx, uint16_t hashsize_b);
+
+/*********************************************************************/
+
+void twister384_init(twister384_ctx_t* ctx);
+void twister384_nextBlock(twister384_ctx_t* ctx, const void* msg);
+void twister384_lastBlock(twister384_ctx_t* ctx, const void* msg, uint16_t length_b);
+void twister384_ctx2hash(void* dest, twister384_ctx_t* ctx);
+void twister384(void* dest, const void* msg, uint32_t msg_length_b);
+
+/*********************************************************************/
+
+void twister512_init(twister512_ctx_t* ctx);
+void twister512_nextBlock(twister512_ctx_t* ctx, const void* msg);
+void twister512_lastBlock(twister512_ctx_t* ctx, const void* msg, uint16_t length_b);
+void twister512_ctx2hash(void* dest, twister512_ctx_t* ctx);
+void twister512(void* dest, const void* msg, uint32_t msg_length_b);
+
+
+#endif /* TWISTER_large_H_ */
+
movw r24, CTX_SAVE0
ldi r22, lo8(384)
ldi r23, hi8(384)
- rcall twister_big_init
+ rcall twister_large_init
1:
tst MSG_LEN3
brne 2f
2:
movw r24, CTX_SAVE0
movw r22, MSG_SAVE0
- rcall twister_big_nextBlock
+ rcall twister_large_nextBlock
adiw MSG_SAVE0, 63
adiw MSG_SAVE0, 1
subi MSG_LEN1, 2
movw r24, CTX_SAVE0
movw r22, MSG_SAVE0
movw r20, MSG_LEN0
- rcall twister_big_lastBlock
+ rcall twister_large_lastBlock
movw r24, DST_SAVE0
movw r22, CTX_SAVE0
ldi r20, lo8(384)
ldi r21, hi8(384)
- rcall twister_big_ctx2hash
+ rcall twister_large_ctx2hash
stack_free_large2 64+2*8+64
pop r29
movw r24, CTX_SAVE0
ldi r22, lo8(512)
ldi r23, hi8(512)
- rcall twister_big_init
+ rcall twister_large_init
1:
tst MSG_LEN3
brne 2f
2:
movw r24, CTX_SAVE0
movw r22, MSG_SAVE0
- rcall twister_big_nextBlock
+ rcall twister_large_nextBlock
adiw MSG_SAVE0, 63
adiw MSG_SAVE0, 1
subi MSG_LEN1, 2
movw r24, CTX_SAVE0
movw r22, MSG_SAVE0
movw r20, MSG_LEN0
- rcall twister_big_lastBlock
+ rcall twister_large_lastBlock
movw r24, DST_SAVE0
movw r22, CTX_SAVE0
ldi r20, lo8(512)
ldi r21, hi8(512)
- rcall twister_big_ctx2hash
+ rcall twister_large_ctx2hash
stack_free_large2 64+2*8+64
pop r29
projects / avr-crypto-lib.git / commitdiff