X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=skein%2Fubi256.c;h=6b7509e8d3fa7b3180d5d093fa31f5c3fda1974b;hb=deca11a7e7be5605c387aa2cd577e22925854ff8;hp=09eb1e9b2a92fbaa90275e4730680d678c27048c;hpb=4f50c75ee5a6cc88bf7ea71957ed509e298e6c25;p=avr-crypto-lib.git diff --git a/skein/ubi256.c b/skein/ubi256.c index 09eb1e9..6b7509e 100644 --- a/skein/ubi256.c +++ b/skein/ubi256.c @@ -1,7 +1,7 @@ /* ubi256.c */ /* - This file is part of the AVR-Crypto-Lib. - Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de) + This file is part of the ARM-Crypto-Lib. + Copyright (C) 2006-2010 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 @@ -30,36 +30,36 @@ #include "memxor.h" #include "ubi.h" -void ubi256_init(ubi256_ctx_t* ctx, const void* g, uint8_t type){ - memset(ctx->tweak, 0, 15); - ctx->tweak[15] = 0x40+type; +void ubi256_init(ubi256_ctx_t *ctx, const void *g, uint8_t type){ + memset(ctx->tweak.v8, 0, 15); + ctx->tweak.v8[15] = 0x40+type; memcpy(ctx->g, g, 32); } -void ubi256_nextBlock(ubi256_ctx_t* ctx, const void* block){ +void ubi256_nextBlock(ubi256_ctx_t *ctx, const void *block){ threefish256_ctx_t tfctx; - ((uint64_t*)(ctx->tweak))[0] += UBI256_BLOCKSIZE_B; - threefish256_init(ctx->g, ctx->tweak, &tfctx); + ctx->tweak.v64[0] += UBI256_BLOCKSIZE_B; + threefish256_init(ctx->g, ctx->tweak.v8, &tfctx); memcpy(ctx->g, block, UBI256_BLOCKSIZE_B); threefish256_enc(ctx->g, &tfctx); memxor(ctx->g, block, UBI256_BLOCKSIZE_B); - ctx->tweak[15] &= (uint8_t)~0x40; + ctx->tweak.v8[15] &= (uint8_t)~0x40; } -void ubi256_lastBlock(ubi256_ctx_t* ctx, const void* block, uint16_t length_b){ +void ubi256_lastBlock(ubi256_ctx_t *ctx, const void *block, uint16_t length_b){ threefish256_ctx_t tfctx; while(length_b>UBI256_BLOCKSIZE){ ubi256_nextBlock(ctx, block); block = (uint8_t*)block + UBI256_BLOCKSIZE_B; length_b -= UBI256_BLOCKSIZE; } - ctx->tweak[15] |= 0x80; - ((uint64_t*)(ctx->tweak))[0] += (length_b+7)/8; + ctx->tweak.v8[15] |= 0x80; + ctx->tweak.v64[0] += (length_b+7)/8; if(length_b & 0x07){ - ctx->tweak[14] |= 0x80; + ctx->tweak.v8[14] |= 0x80; } - threefish256_init(ctx->g, ctx->tweak, &tfctx); + threefish256_init(ctx->g, ctx->tweak.v8, &tfctx); memset(ctx->g, 0, UBI256_BLOCKSIZE_B); memcpy(ctx->g, block, (length_b+7)/8); if(length_b & 0x07){ @@ -74,7 +74,7 @@ void ubi256_lastBlock(ubi256_ctx_t* ctx, const void* block, uint16_t length_b){ } -void ubi256_ctx2hash(void* dest, const ubi256_ctx_t* ctx){ +void ubi256_ctx2hash(void *dest, const ubi256_ctx_t *ctx){ memcpy(dest, ctx->g, UBI256_BLOCKSIZE_B); }