X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=crypto%2Ftgr192.c;h=a0fadf3dd3e2d094bc635464c33781c4ab8be88c;hb=refs%2Fheads%2Fvserver;hp=f0a45cf716d0766161c0de853f7ca2ea9d0a7f40;hpb=4b659086703c3cfdabfc916b517590ad55d1ddfa;p=linux-2.6.git diff --git a/crypto/tgr192.c b/crypto/tgr192.c index f0a45cf71..a0fadf3dd 100644 --- a/crypto/tgr192.c +++ b/crypto/tgr192.c @@ -24,8 +24,10 @@ #include #include #include +#include #include #include +#include #define TGR192_DIGEST_SIZE 24 #define TGR160_DIGEST_SIZE 20 @@ -467,18 +469,10 @@ static void tgr192_transform(struct tgr192_ctx *tctx, const u8 * data) u64 a, b, c, aa, bb, cc; u64 x[8]; int i; - const u8 *ptr = data; - - for (i = 0; i < 8; i++, ptr += 8) { - x[i] = (((u64)ptr[7] ) << 56) ^ - (((u64)ptr[6] & 0xffL) << 48) ^ - (((u64)ptr[5] & 0xffL) << 40) ^ - (((u64)ptr[4] & 0xffL) << 32) ^ - (((u64)ptr[3] & 0xffL) << 24) ^ - (((u64)ptr[2] & 0xffL) << 16) ^ - (((u64)ptr[1] & 0xffL) << 8) ^ - (((u64)ptr[0] & 0xffL) ); - } + const __le64 *ptr = (const __le64 *)data; + + for (i = 0; i < 8; i++) + x[i] = le64_to_cpu(ptr[i]); /* save */ a = aa = tctx->a; @@ -502,11 +496,10 @@ static void tgr192_transform(struct tgr192_ctx *tctx, const u8 * data) tctx->c = c; } -static void tgr192_init(void *ctx) +static void tgr192_init(struct crypto_tfm *tfm) { - struct tgr192_ctx *tctx = ctx; + struct tgr192_ctx *tctx = crypto_tfm_ctx(tfm); - memset (tctx->hash, 0, 64); tctx->a = 0x0123456789abcdefULL; tctx->b = 0xfedcba9876543210ULL; tctx->c = 0xf096a5b4c3b2e187ULL; @@ -517,9 +510,10 @@ static void tgr192_init(void *ctx) /* Update the message digest with the contents * of INBUF with length INLEN. */ -static void tgr192_update(void *ctx, const u8 * inbuf, unsigned int len) +static void tgr192_update(struct crypto_tfm *tfm, const u8 *inbuf, + unsigned int len) { - struct tgr192_ctx *tctx = ctx; + struct tgr192_ctx *tctx = crypto_tfm_ctx(tfm); if (tctx->count == 64) { /* flush the buffer */ tgr192_transform(tctx, tctx->hash); @@ -533,7 +527,7 @@ static void tgr192_update(void *ctx, const u8 * inbuf, unsigned int len) for (; len && tctx->count < 64; len--) { tctx->hash[tctx->count++] = *inbuf++; } - tgr192_update(tctx, NULL, 0); + tgr192_update(tfm, NULL, 0); if (!len) { return; } @@ -555,14 +549,15 @@ static void tgr192_update(void *ctx, const u8 * inbuf, unsigned int len) /* The routine terminates the computation */ -static void tgr192_final(void *ctx, u8 * out) +static void tgr192_final(struct crypto_tfm *tfm, u8 * out) { - struct tgr192_ctx *tctx = ctx; + struct tgr192_ctx *tctx = crypto_tfm_ctx(tfm); + __be64 *dst = (__be64 *)out; + __be64 *be64p; + __le32 *le32p; u32 t, msb, lsb; - u8 *p; - int i, j; - tgr192_update(tctx, NULL, 0); /* flush */ ; + tgr192_update(tfm, NULL, 0); /* flush */ ; msb = 0; t = tctx->nblocks; @@ -590,63 +585,36 @@ static void tgr192_final(void *ctx, u8 * out) while (tctx->count < 64) { tctx->hash[tctx->count++] = 0; } - tgr192_update(tctx, NULL, 0); /* flush */ ; + tgr192_update(tfm, NULL, 0); /* flush */ ; memset(tctx->hash, 0, 56); /* fill next block with zeroes */ } /* append the 64 bit count */ - tctx->hash[56] = lsb; - tctx->hash[57] = lsb >> 8; - tctx->hash[58] = lsb >> 16; - tctx->hash[59] = lsb >> 24; - tctx->hash[60] = msb; - tctx->hash[61] = msb >> 8; - tctx->hash[62] = msb >> 16; - tctx->hash[63] = msb >> 24; + le32p = (__le32 *)&tctx->hash[56]; + le32p[0] = cpu_to_le32(lsb); + le32p[1] = cpu_to_le32(msb); + tgr192_transform(tctx, tctx->hash); - p = tctx->hash; - *p++ = tctx->a >> 56; *p++ = tctx->a >> 48; *p++ = tctx->a >> 40; - *p++ = tctx->a >> 32; *p++ = tctx->a >> 24; *p++ = tctx->a >> 16; - *p++ = tctx->a >> 8; *p++ = tctx->a;\ - *p++ = tctx->b >> 56; *p++ = tctx->b >> 48; *p++ = tctx->b >> 40; - *p++ = tctx->b >> 32; *p++ = tctx->b >> 24; *p++ = tctx->b >> 16; - *p++ = tctx->b >> 8; *p++ = tctx->b; - *p++ = tctx->c >> 56; *p++ = tctx->c >> 48; *p++ = tctx->c >> 40; - *p++ = tctx->c >> 32; *p++ = tctx->c >> 24; *p++ = tctx->c >> 16; - *p++ = tctx->c >> 8; *p++ = tctx->c; - - - /* unpack the hash */ - j = 7; - for (i = 0; i < 8; i++) { - out[j--] = (tctx->a >> 8 * i) & 0xff; - } - j = 15; - for (i = 0; i < 8; i++) { - out[j--] = (tctx->b >> 8 * i) & 0xff; - } - j = 23; - for (i = 0; i < 8; i++) { - out[j--] = (tctx->c >> 8 * i) & 0xff; - } + be64p = (__be64 *)tctx->hash; + dst[0] = be64p[0] = cpu_to_be64(tctx->a); + dst[1] = be64p[1] = cpu_to_be64(tctx->b); + dst[2] = be64p[2] = cpu_to_be64(tctx->c); } -static void tgr160_final(void *ctx, u8 * out) +static void tgr160_final(struct crypto_tfm *tfm, u8 * out) { - struct tgr192_ctx *wctx = ctx; u8 D[64]; - tgr192_final(wctx, D); + tgr192_final(tfm, D); memcpy(out, D, TGR160_DIGEST_SIZE); memset(D, 0, TGR192_DIGEST_SIZE); } -static void tgr128_final(void *ctx, u8 * out) +static void tgr128_final(struct crypto_tfm *tfm, u8 * out) { - struct tgr192_ctx *wctx = ctx; u8 D[64]; - tgr192_final(wctx, D); + tgr192_final(tfm, D); memcpy(out, D, TGR128_DIGEST_SIZE); memset(D, 0, TGR192_DIGEST_SIZE); } @@ -657,6 +625,7 @@ static struct crypto_alg tgr192 = { .cra_blocksize = TGR192_BLOCK_SIZE, .cra_ctxsize = sizeof(struct tgr192_ctx), .cra_module = THIS_MODULE, + .cra_alignmask = 7, .cra_list = LIST_HEAD_INIT(tgr192.cra_list), .cra_u = {.digest = { .dia_digestsize = TGR192_DIGEST_SIZE, @@ -671,6 +640,7 @@ static struct crypto_alg tgr160 = { .cra_blocksize = TGR192_BLOCK_SIZE, .cra_ctxsize = sizeof(struct tgr192_ctx), .cra_module = THIS_MODULE, + .cra_alignmask = 7, .cra_list = LIST_HEAD_INIT(tgr160.cra_list), .cra_u = {.digest = { .dia_digestsize = TGR160_DIGEST_SIZE, @@ -685,6 +655,7 @@ static struct crypto_alg tgr128 = { .cra_blocksize = TGR192_BLOCK_SIZE, .cra_ctxsize = sizeof(struct tgr192_ctx), .cra_module = THIS_MODULE, + .cra_alignmask = 7, .cra_list = LIST_HEAD_INIT(tgr128.cra_list), .cra_u = {.digest = { .dia_digestsize = TGR128_DIGEST_SIZE,