Attachment 25199 Details for Bug 49011 – MD5 speedup patch

[patch] MD5 speedup patch

md5.patch (text/plain), 974 bytes, created by Stefan Fuhrmann on 2010-03-28 14:27:42 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Stefan Fuhrmann

Created: 2010-03-28 14:27:42 UTC

Size: 974 bytes

patch

obsolete

>Index: crypto/apr_md5.c
>===================================================================
>--- crypto/apr_md5.c	(revision 928399)
>+++ crypto/apr_md5.c	(working copy)
>@@ -347,10 +347,15 @@
> /* MD5 basic transformation. Transforms state based on block. */
> static void MD5Transform(apr_uint32_t state[4], const unsigned char block[64])
> {
>+#if !APR_IS_BIGENDIAN
>+    apr_uint32_t a = state[0], b = state[1], c = state[2], d = state[3];
>+    const apr_uint32_t *x = (const apr_uint32_t*)(block);
>+#else
>     apr_uint32_t a = state[0], b = state[1], c = state[2], d = state[3],
>                  x[APR_MD5_DIGESTSIZE];
> 
>     Decode(x, block, 64);
>+#endif
> 
>     /* Round 1 */
>     FF(a, b, c, d, x[0],  S11, 0xd76aa478); /* 1 */
>@@ -429,8 +434,10 @@
>     state[2] += c;
>     state[3] += d;
> 
>+#if APR_IS_BIGENDIAN
>     /* Zeroize sensitive information. */
>     memset(x, 0, sizeof(x));
>+#endif
> }
> 
> /* Encodes input (apr_uint32_t) into output (unsigned char). Assumes len is

Actions: View | Diff

Attachments on bug 49011: 25199