X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=crypto%2Frmd128.c;h=5de6fa2a76fbe489f4868341ce595971733e3a91;hb=3101c2bc9043c1499158837648a29dd79ee2f5e7;hp=22cc13be4033e12f00ae0eb9552c26ddbb242659;hpb=c6580eb8b17d64f0d6ad25c86a034adbda5ab4e1;p=linux-2.6 diff --git a/crypto/rmd128.c b/crypto/rmd128.c index 22cc13be40..5de6fa2a76 100644 --- a/crypto/rmd128.c +++ b/crypto/rmd128.c @@ -26,17 +26,17 @@ struct rmd128_ctx { u64 byte_count; u32 state[4]; - u32 buffer[16]; + __le32 buffer[16]; }; -#define K1 0x00000000UL -#define K2 0x5a827999UL -#define K3 0x6ed9eba1UL -#define K4 0x8f1bbcdcUL -#define KK1 0x50a28be6UL -#define KK2 0x5c4dd124UL -#define KK3 0x6d703ef3UL -#define KK4 0x00000000UL +#define K1 RMD_K1 +#define K2 RMD_K2 +#define K3 RMD_K3 +#define K4 RMD_K4 +#define KK1 RMD_K6 +#define KK2 RMD_K7 +#define KK3 RMD_K8 +#define KK4 RMD_K1 #define F1(x, y, z) (x ^ y ^ z) /* XOR */ #define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */ @@ -44,11 +44,11 @@ struct rmd128_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 rmd128_transform(u32 *state, u32 const *in) +static void rmd128_transform(u32 *state, const __le32 *in) { u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd; @@ -218,28 +218,6 @@ static void rmd128_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 rmd128_transform_helper(struct rmd128_ctx *ctx) -{ - le32_to_cpu_array(ctx->buffer, sizeof(ctx->buffer) / sizeof(u32)); - rmd128_transform(ctx->state, ctx->buffer); -} - static void rmd128_init(struct crypto_tfm *tfm) { struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm); @@ -272,13 +250,13 @@ static void rmd128_update(struct crypto_tfm *tfm, const u8 *data, memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), data, avail); - rmd128_transform_helper(rctx); + rmd128_transform(rctx->state, rctx->buffer); data += avail; len -= avail; while (len >= sizeof(rctx->buffer)) { memcpy(rctx->buffer, data, sizeof(rctx->buffer)); - rmd128_transform_helper(rctx); + rmd128_transform(rctx->state, rctx->buffer); data += sizeof(rctx->buffer); len -= sizeof(rctx->buffer); } @@ -290,10 +268,12 @@ static void rmd128_update(struct crypto_tfm *tfm, const u8 *data, static void rmd128_final(struct crypto_tfm *tfm, u8 *out) { struct rmd128_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; @@ -304,7 +284,8 @@ static void rmd128_final(struct crypto_tfm *tfm, u8 *out) rmd128_update(tfm, (const u8 *)&bits, sizeof(bits)); /* Store state in digest */ - memcpy(out, rctx->state, sizeof(rctx->state)); + for (i = 0; i < 4; i++) + dst[i] = cpu_to_le32p(&rctx->state[i]); /* Wipe context */ memset(rctx, 0, sizeof(*rctx));