X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=groestl_large.c;fp=groestl_large.c;h=0000000000000000000000000000000000000000;hb=4f50c75ee5a6cc88bf7ea71957ed509e298e6c25;hp=bcfd8e51ae67c81f807c466b21d7f20d7db38314;hpb=7701e318e4e2bac7f84dbf6e368f1501814948fc;p=avr-crypto-lib.git

diff --git a/groestl_large.c b/groestl_large.c
deleted file mode 100644
index bcfd8e5..0000000
--- a/groestl_large.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/* groestl_large.c */
-/*
-    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 <http://www.gnu.org/licenses/>.
-*/
-/*
- * \file    groestl_large.c
- * \author  Daniel Otte
- * \email   daniel.otte@rub.de
- * \date    2009-06-11
- * \license GPLv3 or later
- * 
- */
-
-#include "groestl_large.h"
-#include "aes_sbox.h"
-#include "gf256mul.h"
-#include "memxor.h"
-#include <stdint.h>
-#include <avr/pgmspace.h>
-#include <string.h>
-
-#define ROUNDS 14
-#define POLYNOM 0x1b
-
-#define DEBUG 0
-
-#if DEBUG
- #include "cli.h"
- void dump_m(const uint8_t* m){
-	 uint8_t i,j;
-	 for(i=0; i<16; ++i){
-		cli_putstr_P(PSTR("\r\n"));
-		for(j=0; j<8; ++j){
-			cli_putc(' ');
-			cli_hexdump(m+8*i+j, 1);
-		}
-	 }
- }
-#else
- #define dump_m(m)
-#endif
-
-static uint8_t matrix[] PROGMEM = {
- 2, 2, 3, 4, 5, 3, 5, 7,
- 7, 2, 2, 3, 4, 5, 3, 5,
- 5, 7, 2, 2, 3, 4, 5, 3,
- 3, 5, 7, 2, 2, 3, 4, 5,
- 5, 3, 5, 7, 2, 2, 3, 4,
- 4, 5, 3, 5, 7, 2, 2, 3,
- 3, 4, 5, 3, 5, 7, 2, 2,
- 2, 3, 4, 5, 3, 5, 7, 2
-};
-
-void groestl_large_rounds(uint8_t *m, uint8_t q){
-	uint8_t r,i,j;
-	uint8_t tmp[16];
-	for(r=0; r<ROUNDS; ++r){
-		if(q){
-			m[7] ^= 0xff ^ r;
-		}else{
-			m[0] ^= r;
-		}	
-#if DEBUG		
-		if(r<2){
-			cli_putstr_P(PSTR("\r\npost add-const"));
-			dump_m(m);
-		}
-#endif
-		for(i=0;i<16*8; ++i){
-			m[i] = pgm_read_byte(aes_sbox+m[i]);
-		}
-		for(i=1; i<7; ++i){
-			for(j=0; j<16; ++j)
-				tmp[j] = m[i+8*j];
-			for(j=0; j<16; ++j){
-				m[i+((j-i+16)%16)*8] = tmp[j];
-			}
-		}
-		for(j=0; j<16; ++j)
-			tmp[j] = m[7+8*j];
-		for(j=0; j<16; ++j){
-			m[7+((j-11+16)%16)*8] = tmp[j];
-		}
-		
-#if DEBUG		
-		if(r<2){
-			cli_putstr_P(PSTR("\r\npost shift-bytes"));
-			dump_m(m);
-		}
-#endif 		
-		for(i=0; i<16; ++i){
-			memcpy(tmp, m+8*i, 8);
-			for(j=0; j<8; ++j){
-				m[j+i*8] = gf256mul(pgm_read_byte(matrix+8*j+0),tmp[0], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+1),tmp[1], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+2),tmp[2], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+3),tmp[3], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+4),tmp[4], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+5),tmp[5], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+6),tmp[6], POLYNOM)
-				        ^ gf256mul(pgm_read_byte(matrix+8*j+7),tmp[7], POLYNOM);
-			}
-		}
-#if DEBUG
-		if(r<2){
-			cli_putstr_P(PSTR("\r\npost mix-bytes"));
-			dump_m(m);
-		}
-#endif	 		
-	}
-}
-
-void groestl384_init(groestl384_ctx_t* ctx){
-	memset(ctx->h, 0, 16*8);
-	ctx->h[8*16-1] = (uint8_t)384;
-	ctx->h[8*16-2] = (uint8_t)(384>>8);
-	ctx->counter = 0;
-}
-
-void groestl512_init(groestl512_ctx_t* ctx){
-	memset(ctx->h, 0, 16*8);
-	ctx->h[8*16-2] = 2;
-	ctx->counter = 0;
-}
-
-void groestl_large_nextBlock(groestl_large_ctx_t* ctx, const void* block){
-	uint8_t tmp1[128], tmp2[128];
-/*
-	for(i=0; i<8; ++i){
-		for(j=0; j<8; ++j){
-			tmp1[j*8+i] = ((uint8_t*)block)[i*8+j];
-		}
-	}
-*/ 
-	memcpy(tmp1, block, 128);
-	memcpy(tmp2, tmp1, 128);
-	memxor(tmp1, ctx->h, 128);
-	groestl_large_rounds(tmp1, 0);
-	groestl_large_rounds(tmp2, 1);
-	memxor(ctx->h, tmp1, 128);
-	memxor(ctx->h, tmp2, 128);
-	ctx->counter++;
-}
-
-void groestl_large_lastBlock(groestl_large_ctx_t* ctx, const void* block, uint16_t length_b){
-	uint8_t buffer[128];
-	while(length_b>=GROESTL_LARGE_BLOCKSIZE){
-		groestl_large_nextBlock(ctx, block);
-		length_b -= GROESTL_LARGE_BLOCKSIZE;
-		block = (uint8_t*)block + GROESTL_LARGE_BLOCKSIZE_B;
-	}
-	memset(buffer, 0, 128);
-	memcpy(buffer, block, (length_b+7)/8);
-	buffer[length_b/8] |= 0x80>>(length_b%8);
-	if(length_b>1024-65){
-		groestl_large_nextBlock(ctx, buffer);
-		memset(buffer, 0, 128-4);
-	}
-	ctx->counter++;
-	buffer[128-1]  = (uint8_t)(ctx->counter);
-	buffer[128-2]  = (uint8_t)((ctx->counter)>>8);
-	buffer[128-3]  = (uint8_t)((ctx->counter)>>16);
-	buffer[128-4]  = (uint8_t)((ctx->counter)>>24);
-	groestl_large_nextBlock(ctx, buffer);
-}
-
-void groestl_large_ctx2hash(void* dest, const groestl_large_ctx_t* ctx, uint16_t outlength_b){
-	uint8_t tmp[128];
-	memcpy(tmp, ctx->h, 128);
-	groestl_large_rounds(tmp, 0);
-	memxor(tmp, ctx->h, 128);
-#if DEBUG
-	cli_putstr_P(PSTR("\r\npost finalisation"));
-	dump_m(tmp);
-#endif		
-	memcpy(dest, tmp+128-outlength_b/8, outlength_b/8);
-}
-
-void groestl384_ctx2hash(void* dest, const groestl384_ctx_t* ctx){
-	groestl_large_ctx2hash(dest, ctx, 384);
-}
-
-void groestl512_ctx2hash(void* dest, const groestl512_ctx_t* ctx){
-	groestl_large_ctx2hash(dest, ctx, 512);
-}
-
-void groestl384_nextBlock(groestl384_ctx_t* ctx, const void* block){
-	groestl_large_nextBlock(ctx, block);
-}
-
-void groestl512_nextBlock(groestl512_ctx_t* ctx, const void* block){
-	groestl_large_nextBlock(ctx, block);
-}
-
-void groestl384_lastBlock(groestl384_ctx_t* ctx, const void* block, uint16_t length_b){
-	groestl_large_lastBlock(ctx, block, length_b);
-}
-
-void groestl512_lastBlock(groestl512_ctx_t* ctx, const void* block, uint16_t length_b){
-	groestl_large_lastBlock(ctx, block, length_b);
-}
-
-void groestl384(void* dest, const void* msg, uint32_t length_b){
-	groestl_large_ctx_t ctx;
-	groestl384_init(&ctx);
-	while(length_b>=GROESTL_LARGE_BLOCKSIZE){
-		groestl_large_nextBlock(&ctx, msg);
-		length_b -= GROESTL_LARGE_BLOCKSIZE;
-		msg = (uint8_t*)msg + GROESTL_LARGE_BLOCKSIZE_B;
-	}
-	groestl_large_lastBlock(&ctx, msg, length_b);
-	groestl_large_ctx2hash(dest, &ctx, 384);
-}
-
-void groestl512(void* dest, const void* msg, uint32_t length_b){
-	groestl_large_ctx_t ctx;
-	groestl512_init(&ctx);
-	while(length_b>=GROESTL_LARGE_BLOCKSIZE){
-		groestl_large_nextBlock(&ctx, msg);
-		length_b -= GROESTL_LARGE_BLOCKSIZE;
-		msg = (uint8_t*)msg + GROESTL_LARGE_BLOCKSIZE_B;
-	}
-	groestl_large_lastBlock(&ctx, msg, length_b);
-	groestl_large_ctx2hash(dest, &ctx, 512);
-}
-
-
-