From: Andy Polyakov <appro@openssl.org>
Date: Wed, 14 Apr 2010 07:47:28 +0000 (+0000)
Subject: [co]fb128.c: fix "n=0" bug.
X-Git-Tag: OpenSSL-fips-2_0-rc1~1129
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6a1823b371129848fa402d19a2cae6a1adf1d874;p=oweals%2Fopenssl.git

[co]fb128.c: fix "n=0" bug.
---

diff --git a/crypto/modes/cfb128.c b/crypto/modes/cfb128.c
index 98f4cf315c..e5938c6137 100644
--- a/crypto/modes/cfb128.c
+++ b/crypto/modes/cfb128.c
@@ -96,15 +96,15 @@ void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
 #endif
 		while (len>=16) {
 			(*block)(ivec, ivec, key);
-			for (n=0; n<16; n+=sizeof(size_t)) {
+			for (; n<16; n+=sizeof(size_t)) {
 				*(size_t*)(out+n) =
 				*(size_t*)(ivec+n) ^= *(size_t*)(in+n);
 			}
 			len -= 16;
 			out += 16;
 			in  += 16;
+			n = 0;
 		}
-		n = 0;
 		if (len) {
 			(*block)(ivec, ivec, key);
 			while (len--) {
@@ -141,7 +141,7 @@ void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
 #endif
 		while (len>=16) {
 			(*block)(ivec, ivec, key);
-			for (n=0; n<16; n+=sizeof(size_t)) {
+			for (; n<16; n+=sizeof(size_t)) {
 				size_t t = *(size_t*)(in+n);
 				*(size_t*)(out+n) = *(size_t*)(ivec+n) ^ t;
 				*(size_t*)(ivec+n) = t;
@@ -149,8 +149,8 @@ void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
 			len -= 16;
 			out += 16;
 			in  += 16;
+			n = 0;
 		}
-		n = 0;
 		if (len) {
 			(*block)(ivec, ivec, key);
 			while (len--) {
diff --git a/crypto/modes/ofb128.c b/crypto/modes/ofb128.c
index 09b3430034..c732e2ec58 100644
--- a/crypto/modes/ofb128.c
+++ b/crypto/modes/ofb128.c
@@ -95,14 +95,14 @@ void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
 #endif
 		while (len>=16) {
 			(*block)(ivec, ivec, key);
-			for (n=0; n<16; n+=sizeof(size_t))
+			for (; n<16; n+=sizeof(size_t))
 				*(size_t*)(out+n) =
 				*(size_t*)(in+n) ^ *(size_t*)(ivec+n);
 			len -= 16;
 			out += 16;
 			in  += 16;
+			n = 0;
 		}
-		n = 0;
 		if (len) {
 			(*block)(ivec, ivec, key);
 			while (len--) {