X-Git-Url: https://git.cryptolib.org/?p=arm-crypto-lib.git;a=blobdiff_plain;f=skein%2Fubi256.c;h=8e60d341301bac76c534b17fa5429b5ae95b6d73;hp=5b0fc5749f324a0f78dc1e149da51d527256a463;hb=6095187b080b960d111a54f18a3b2da788d2d59d;hpb=f3456452a0f13bfe6d332aaeeada5b626dac2739 diff --git a/skein/ubi256.c b/skein/ubi256.c index 5b0fc57..8e60d34 100644 --- a/skein/ubi256.c +++ b/skein/ubi256.c @@ -31,19 +31,19 @@ #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; + 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){ 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; } @@ -54,12 +54,12 @@ void ubi256_lastBlock(ubi256_ctx_t* ctx, const void* block, uint16_t length_b){ 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){