X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=crypto%2Frmd256.c;h=e3de5b4cb47f99bb46fea596426f869b770b68b0;hb=260eddf4391f162a69d1d163729249635fa7a78f;hp=060ee81cb8ade196501ac2bf178139dfd7bb59b9;hpb=c555c28d9da517579085a00fc80e725b0b5d9fce;p=linux-2.6 diff --git a/crypto/rmd256.c b/crypto/rmd256.c index 060ee81cb8..e3de5b4cb4 100644 --- a/crypto/rmd256.c +++ b/crypto/rmd256.c @@ -26,7 +26,7 @@ struct rmd256_ctx { u64 byte_count; u32 state[8]; - u32 buffer[16]; + __le32 buffer[16]; }; #define K1 RMD_K1 @@ -44,11 +44,11 @@ struct rmd256_ctx { #define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */ #define ROUND(a, b, c, d, f, k, x, s) { \ - (a) += f((b), (c), (d)) + (x) + (k); \ + (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \ (a) = rol32((a), (s)); \ } -static void rmd256_transform(u32 *state, u32 const *in) +static void rmd256_transform(u32 *state, const __le32 *in) { u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd, tmp; @@ -233,28 +233,6 @@ static void rmd256_transform(u32 *state, u32 const *in) return; } -static inline void le32_to_cpu_array(u32 *buf, unsigned int words) -{ - while (words--) { - le32_to_cpus(buf); - buf++; - } -} - -static inline void cpu_to_le32_array(u32 *buf, unsigned int words) -{ - while (words--) { - cpu_to_le32s(buf); - buf++; - } -} - -static inline void rmd256_transform_helper(struct rmd256_ctx *ctx) -{ - le32_to_cpu_array(ctx->buffer, sizeof(ctx->buffer) / sizeof(u32)); - rmd256_transform(ctx->state, ctx->buffer); -} - static void rmd256_init(struct crypto_tfm *tfm) { struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm); @@ -291,13 +269,13 @@ static void rmd256_update(struct crypto_tfm *tfm, const u8 *data, memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), data, avail); - rmd256_transform_helper(rctx); + rmd256_transform(rctx->state, rctx->buffer); data += avail; len -= avail; while (len >= sizeof(rctx->buffer)) { memcpy(rctx->buffer, data, sizeof(rctx->buffer)); - rmd256_transform_helper(rctx); + rmd256_transform(rctx->state, rctx->buffer); data += sizeof(rctx->buffer); len -= sizeof(rctx->buffer); } @@ -309,10 +287,12 @@ static void rmd256_update(struct crypto_tfm *tfm, const u8 *data, static void rmd256_final(struct crypto_tfm *tfm, u8 *out) { struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm); - u32 index, padlen; - u64 bits; + u32 i, index, padlen; + __le64 bits; + __le32 *dst = (__le32 *)out; static const u8 padding[64] = { 0x80, }; - bits = rctx->byte_count << 3; + + bits = cpu_to_le64(rctx->byte_count << 3); /* Pad out to 56 mod 64 */ index = rctx->byte_count & 0x3f; @@ -323,7 +303,8 @@ static void rmd256_final(struct crypto_tfm *tfm, u8 *out) rmd256_update(tfm, (const u8 *)&bits, sizeof(bits)); /* Store state in digest */ - memcpy(out, rctx->state, sizeof(rctx->state)); + for (i = 0; i < 8; i++) + dst[i] = cpu_to_le32p(&rctx->state[i]); /* Wipe context */ memset(rctx, 0, sizeof(*rctx));