X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=shabal%2Fshabal192-asm.S;fp=shabal%2Fshabal192-asm.S;h=09b41d5baea6a6b13e9e2b3d4245cda85329d981;hb=4f50c75ee5a6cc88bf7ea71957ed509e298e6c25;hp=0000000000000000000000000000000000000000;hpb=7701e318e4e2bac7f84dbf6e368f1501814948fc;p=avr-crypto-lib.git
diff --git a/shabal/shabal192-asm.S b/shabal/shabal192-asm.S
new file mode 100644
index 0000000..09b41d5
--- /dev/null
+++ b/shabal/shabal192-asm.S
@@ -0,0 +1,191 @@
+/* shabal192-asm.S */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2009 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 .
+*/
+/*
+ * \file shabal192-asm.S
+ * \author Daniel Otte
+ * \email daniel.otte@rub.de
+ * \date 2009-04-27
+ * \license GPLv3 or later
+ */
+
+#include "avr-asm-macros.S"
+
+shabal192_iv:
+ /* A */
+.long 0xFD749ED4, 0xB798E530, 0x33904B6F, 0x46BDA85E
+.long 0x076934B4, 0x454B4058, 0x77F74527, 0xFB4CF465
+.long 0x62931DA9, 0xE778C8DB, 0x22B3998E, 0xAC15CFB9
+ /* B */
+.long 0x58BCBAC4, 0xEC47A08E, 0xAEE933B2, 0xDFCBC824
+.long 0xA7944804, 0xBF65BDB0, 0x5A9D4502, 0x59979AF7
+.long 0xC5CEA54E, 0x4B6B8150, 0x16E71909, 0x7D632319
+.long 0x930573A0, 0xF34C63D1, 0xCAF914B4, 0xFDD6612C
+ /* C */
+.long 0x61550878, 0x89EF2B75, 0xA1660C46, 0x7EF3855B
+.long 0x7297B58C, 0x1BC67793, 0x7FB1C723, 0xB66FC640
+.long 0x1A48B71C, 0xF0976D17, 0x088CE80A, 0xA454EDF3
+.long 0x1C096BF4, 0xAC76224B, 0x5215781C, 0xCD5D2669
+
+
+/******************************************************************************/
+/*
+void shabal192_init(shabal_ctx_t* ctx){
+ uint8_t i;
+ ctx->b = ctx->b_buffer;
+ ctx->c = ctx->c_buffer;
+ ctx->w.w64 = 1LL;
+ for(i=0;ia[i] = pgm_read_dword(&(shabal192_iv[i]));
+ }
+ for(i=0;i<16;++i){
+ ctx->b[i] = pgm_read_dword(&(shabal192_iv[SHABAL_R+i]));
+ }
+ for(i=0;i<16;++i){
+ ctx->c[i] = pgm_read_dword(&(shabal192_iv[SHABAL_R+16+i]));
+ }
+}
+*/
+/*
+ * param ctx: r24,r25
+ */
+.global shabal192_init
+shabal192_init:
+ movw r26, r24
+ ldi r24, 1
+ st X+, r24
+ st X+, r1
+ st X+, r1
+ st X+, r1
+ st X+, r1
+ st X+, r1
+ st X+, r1
+ st X+, r1
+ movw r24, r26
+ adiw r24, 12*4+2+2
+ st X+, r24
+ st X+, r25
+ adiw r24, 4*16-1
+ adiw r24, 1
+ st X+, r24
+ st X+, r25
+ ldi r24, (12+16+16)
+ ldi r30, lo8(shabal192_iv)
+ ldi r31, hi8(shabal192_iv)
+1: lpm r0, Z+
+ st X+, r0
+ lpm r0, Z+
+ st X+, r0
+ lpm r0, Z+
+ st X+, r0
+ lpm r0, Z+
+ st X+, r0
+ dec r24
+ brne 1b
+ ret
+
+/******************************************************************************/
+/*
+ * param dest: r24:r25
+ * param ctx: r22:r23
+ */
+.global shabal192_ctx2hash
+shabal192_ctx2hash:
+ movw r26, r24
+ movw r30, r22
+ ldd r24, Z+(8+2)
+ ldd r25, Z+(8+2+1)
+ movw r30, r24
+ adiw r30, (16-192/32)*4
+ ldi r24, 192/8
+1: ld r0, Z+
+ st X+, r0
+ dec r24
+ brne 1b
+ ret
+
+/******************************************************************************/
+/*
+void shabal192(void* dest, void* msg, uint32_t length_b){
+ shabal_ctx_t ctx;
+ shabal192_init(&ctx);
+ while(length_b>=SHABAL_BLOCKSIZE){
+ shabal_nextBlock(&ctx, msg);
+ msg = (uint8_t*)msg+SHABAL_BLOCKSIZE_B;
+ length_b -= SHABAL_BLOCKSIZE;
+ }
+ shabal_lastBlock(&ctx, msg, length_b);
+ shabal192_ctx2hash(dest, &ctx);
+}
+*/
+/*
+ * param dest: r24:r25
+ * param msg: r22:r23
+ * param length_b: r18:r21
+ */
+DST0 = 8
+DST1 = 9
+CTX0 = 10
+CTX1 = 11
+MSG0 = 12
+MSG1 = 13
+LEN2 = 14
+LEN3 = 15
+LEN0 = 16
+LEN1 = 17
+.global shabal192
+shabal192:
+ push_range 8, 17
+ stack_alloc_large 188
+ adiw r30, 1 /* Z points to stack space (ctx) */
+ movw CTX0, r30
+ movw DST0, r24
+ movw MSG0, r22
+ movw LEN0, r18
+ movw LEN2, r20
+ movw r24, r30
+ rcall shabal192_init
+2:
+ tst LEN2
+ brne 3f
+ tst LEN3
+ breq 4f
+3:
+ movw r24, CTX0
+ movw r22, MSG0
+ rcall shabal_nextBlock
+ subi LEN1, 0x02
+ sbc LEN2, r1
+ sbc LEN3, r1
+ ldi r18, 64
+ add MSG0, r18
+ adc MSG1, r1
+ rjmp 2b
+4:
+ movw r24, CTX0
+ movw r22, MSG0
+ movw r20, LEN0
+ rcall shabal_lastBlock
+ movw r24, DST0
+ movw r22, CTX0
+ rcall shabal192_ctx2hash
+ stack_free_large2 188
+ pop_range 8, 17
+ ret
+
+