From 945a76d97b00f9c0d24b6d14da86b18284316000 Mon Sep 17 00:00:00 2001
From: knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 11 Oct 2006 12:43:58 +0000
Subject: * ext/digest/digest.c (rb_digest_base_alloc,   rb_digest_base_equal):
 Simplify the equality check and just   compare resulted digests since
 state-level equality should   not be significant.

* ext/digest/digest.h: Ditto.

* ext/digest/*/*.[ch]: Ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/digest/sha1/sha1.c     |  6 ------
 ext/digest/sha1/sha1.h     |  2 --
 ext/digest/sha1/sha1init.c |  1 -
 ext/digest/sha1/sha1ossl.c | 15 ---------------
 ext/digest/sha1/sha1ossl.h |  1 -
 5 files changed, 25 deletions(-)

(limited to 'ext/digest/sha1')

diff --git a/ext/digest/sha1/sha1.c b/ext/digest/sha1/sha1.c
index 6545744bed..6196ca6b82 100644
--- a/ext/digest/sha1/sha1.c
+++ b/ext/digest/sha1/sha1.c
@@ -267,9 +267,3 @@ void SHA1_Finish(SHA1_CTX* context, uint8_t digest[20])
 		((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
     }
 }
-
-int SHA1_Equal(SHA1_CTX* pctx1, SHA1_CTX* pctx2) {
-	return memcmp(pctx1->count, pctx2->count, sizeof(pctx1->count)) == 0
-		&& memcmp(pctx1->state, pctx2->state, sizeof(pctx1->state)) == 0
-		&& memcmp(pctx1->buffer, pctx2->buffer, sizeof(pctx1->buffer)) == 0;
-}
diff --git a/ext/digest/sha1/sha1.h b/ext/digest/sha1/sha1.h
index c9f84562fc..60e3b01fe2 100644
--- a/ext/digest/sha1/sha1.h
+++ b/ext/digest/sha1/sha1.h
@@ -25,14 +25,12 @@ typedef struct {
 #define SHA1_Init	rb_Digest_SHA1_Init
 #define SHA1_Update	rb_Digest_SHA1_Update
 #define SHA1_Finish	rb_Digest_SHA1_Finish
-#define SHA1_Equal	rb_Digest_SHA1_Equal
 #endif
 
 void	SHA1_Transform _((uint32_t state[5], const uint8_t buffer[64]));
 void	SHA1_Init _((SHA1_CTX *context));
 void	SHA1_Update _((SHA1_CTX *context, const uint8_t *data, size_t len));
 void	SHA1_Finish _((SHA1_CTX *context, uint8_t digest[20]));
-int	SHA1_Equal _((SHA1_CTX *pctx1, SHA1_CTX *pctx2));
 
 #define SHA1_BLOCK_LENGTH		64
 #define SHA1_DIGEST_LENGTH		20
diff --git a/ext/digest/sha1/sha1init.c b/ext/digest/sha1/sha1init.c
index 8a132e4e20..bd92c59406 100644
--- a/ext/digest/sha1/sha1init.c
+++ b/ext/digest/sha1/sha1init.c
@@ -14,7 +14,6 @@ static algo_t sha1 = {
     (hash_init_func_t)SHA1_Init,
     (hash_update_func_t)SHA1_Update,
     (hash_finish_func_t)SHA1_Finish,
-    (hash_equal_func_t)SHA1_Equal,
 };
 
 void
diff --git a/ext/digest/sha1/sha1ossl.c b/ext/digest/sha1/sha1ossl.c
index 96365c7974..adf5cf267c 100644
--- a/ext/digest/sha1/sha1ossl.c
+++ b/ext/digest/sha1/sha1ossl.c
@@ -2,24 +2,9 @@
 
 #include "defs.h"
 #include "sha1ossl.h"
-#include <stdlib.h>
 
 void
 SHA1_Finish(SHA1_CTX *ctx, char *buf)
 {
 	SHA1_Final(buf, ctx);
 }
-
-int
-SHA1_Equal(SHA1_CTX* pctx1, SHA1_CTX* pctx2)
-{
-	return pctx1->num == pctx2->num
-	  && pctx1->h0 == pctx2->h0
-	  && pctx1->h1 == pctx2->h1
-	  && pctx1->h2 == pctx2->h2
-	  && pctx1->h3 == pctx2->h3
-	  && pctx1->h4 == pctx2->h4
-	  && pctx1->Nl == pctx2->Nl
-	  && pctx1->Nh == pctx2->Nh
-	  && memcmp(pctx1->data, pctx2->data, sizeof(pctx1->data)) == 0;
-}
diff --git a/ext/digest/sha1/sha1ossl.h b/ext/digest/sha1/sha1ossl.h
index 8a5b9cfc02..8f9984cc64 100644
--- a/ext/digest/sha1/sha1ossl.h
+++ b/ext/digest/sha1/sha1ossl.h
@@ -16,6 +16,5 @@
 #define SHA1_DIGEST_LENGTH	SHA_DIGEST_LENGTH
 
 void SHA1_Finish(SHA1_CTX *ctx, char *buf);
-int SHA1_Equal(SHA1_CTX *pctx1, SHA1_CTX *pctx2);
 
 #endif
-- 
cgit v1.2.3