diff options
author | Michael Brown | 2006-11-15 05:22:22 +0100 |
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committer | Michael Brown | 2006-11-15 05:22:22 +0100 |
commit | 57d539aab04933e96f45266010166564b67d669c (patch) | |
tree | deb39ac8a7e77e26d8dc1bfea096fe2b4e33946e /src/crypto/md5.c | |
parent | Note to self: do not write code late at night (diff) | |
download | ipxe-57d539aab04933e96f45266010166564b67d669c.tar.gz ipxe-57d539aab04933e96f45266010166564b67d669c.tar.xz ipxe-57d539aab04933e96f45266010166564b67d669c.zip |
Made it temporarily possible to call MD5 routines directly from external
code, rather than going through the digest layer.
Removed a spurious line of constants.
Diffstat (limited to 'src/crypto/md5.c')
-rw-r--r-- | src/crypto/md5.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/src/crypto/md5.c b/src/crypto/md5.c index 299b2d6c..ed062054 100644 --- a/src/crypto/md5.c +++ b/src/crypto/md5.c @@ -24,16 +24,7 @@ #include <string.h> #include <byteswap.h> #include <gpxe/crypto.h> - -#define MD5_DIGEST_SIZE 16 -#define MD5_BLOCK_WORDS 16 -#define MD5_HASH_WORDS 4 - -struct md5_ctx { - u32 hash[MD5_HASH_WORDS]; - u32 block[MD5_BLOCK_WORDS]; - u64 byte_count; -}; +#include <gpxe/md5.h> #define __md5step __attribute__ (( regparm ( 3 ) )) @@ -93,7 +84,7 @@ static const u8 r[64] = { 6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21 }; -static const u32 k[] = { +static const u32 k[64] = { 0xd76aa478UL, 0xe8c7b756UL, 0x242070dbUL, 0xc1bdceeeUL, 0xf57c0fafUL, 0x4787c62aUL, 0xa8304613UL, 0xfd469501UL, 0x698098d8UL, 0x8b44f7afUL, 0xffff5bb1UL, 0x895cd7beUL, @@ -110,7 +101,6 @@ static const u32 k[] = { 0x655b59c3UL, 0x8f0ccc92UL, 0xffeff47dUL, 0x85845dd1UL, 0x6fa87e4fUL, 0xfe2ce6e0UL, 0xa3014314UL, 0x4e0811a1UL, 0xf7537e82UL, 0xbd3af235UL, 0x2ad7d2bbUL, 0xeb86d391UL, - 0xe1f27f3aUL, 0xf5710fb0UL, 0xada0e5c4UL, 0x98e4c919UL }; static void md5_transform(u32 *hash, const u32 *in) @@ -160,16 +150,15 @@ static inline void cpu_to_le32_array(u32 *buf, unsigned int words) } } -static inline void md5_transform_helper(struct md5_ctx *ctx) +static inline void md5_transform_helper(struct md5_context *ctx) { le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); md5_transform(ctx->hash, ctx->block); } -static void md5_init(void *context) +void md5_init ( struct md5_context *context ) { - struct md5_ctx *mctx = context; - + struct md5_context *mctx = context; mctx->hash[0] = 0x67452301; mctx->hash[1] = 0xefcdab89; mctx->hash[2] = 0x98badcfe; @@ -177,9 +166,9 @@ static void md5_init(void *context) mctx->byte_count = 0; } -static void md5_update(void *context, const void *data, size_t len) +void md5_update ( struct md5_context *context, const void *data, size_t len ) { - struct md5_ctx *mctx = context; + struct md5_context *mctx = context; const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); mctx->byte_count += len; @@ -207,9 +196,9 @@ static void md5_update(void *context, const void *data, size_t len) memcpy(mctx->block, data, len); } -static void md5_finish(void *context, void *out) +void md5_finish ( struct md5_context *context, struct md5_hash *out ) { - struct md5_ctx *mctx = context; + struct md5_context *mctx = context; const unsigned int offset = mctx->byte_count & 0x3f; char *p = (char *)mctx->block + offset; int padding = 56 - (offset + 1); @@ -233,10 +222,12 @@ static void md5_finish(void *context, void *out) memset(mctx, 0, sizeof(*mctx)); } +/* struct digest_algorithm md5_algorithm = { - .context_len = sizeof ( struct md5_ctx ), + .context_len = sizeof ( struct md5_context ), .digest_len = MD5_DIGEST_SIZE, .init = md5_init, .update = md5_update, .finish = md5_finish, }; +*/ |