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authormarha <marha@users.sourceforge.net>2012-06-15 14:04:46 +0200
committermarha <marha@users.sourceforge.net>2012-06-15 14:04:46 +0200
commita33de30073bfa0ee1abba186dba9fa52cf0aa23a (patch)
tree9eae122e901b9a1d1c7cfcfc2385202793a1f92a /openssl/crypto/evp/e_rc4_hmac_md5.c
parent7a2af605c2c2b0d2e9bbb0b161eba8842acefbcb (diff)
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Updated to following packages:
freetype-2.4.10 libXaw-1.0.11 openssl-1.0.1c
Diffstat (limited to 'openssl/crypto/evp/e_rc4_hmac_md5.c')
-rw-r--r--openssl/crypto/evp/e_rc4_hmac_md5.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/openssl/crypto/evp/e_rc4_hmac_md5.c b/openssl/crypto/evp/e_rc4_hmac_md5.c
index eaa7a5312..56563191b 100644
--- a/openssl/crypto/evp/e_rc4_hmac_md5.c
+++ b/openssl/crypto/evp/e_rc4_hmac_md5.c
@@ -75,6 +75,8 @@ typedef struct
size_t payload_length;
} EVP_RC4_HMAC_MD5;
+#define NO_PAYLOAD_LENGTH ((size_t)-1)
+
void rc4_md5_enc (RC4_KEY *key, const void *in0, void *out,
MD5_CTX *ctx,const void *inp,size_t blocks);
@@ -93,7 +95,7 @@ static int rc4_hmac_md5_init_key(EVP_CIPHER_CTX *ctx,
key->tail = key->head;
key->md = key->head;
- key->payload_length = 0;
+ key->payload_length = NO_PAYLOAD_LENGTH;
return 1;
}
@@ -120,18 +122,20 @@ static int rc4_hmac_md5_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
md5_off = MD5_CBLOCK-key->md.num,
blocks;
unsigned int l;
+ extern unsigned int OPENSSL_ia32cap_P[];
#endif
size_t plen = key->payload_length;
- if (plen && len!=(plen+MD5_DIGEST_LENGTH)) return 0;
+ if (plen!=NO_PAYLOAD_LENGTH && len!=(plen+MD5_DIGEST_LENGTH)) return 0;
if (ctx->encrypt) {
- if (plen==0) plen = len;
+ if (plen==NO_PAYLOAD_LENGTH) plen = len;
#if defined(STITCHED_CALL)
/* cipher has to "fall behind" */
if (rc4_off>md5_off) md5_off+=MD5_CBLOCK;
- if (plen>md5_off && (blocks=(plen-md5_off)/MD5_CBLOCK)) {
+ if (plen>md5_off && (blocks=(plen-md5_off)/MD5_CBLOCK) &&
+ (OPENSSL_ia32cap_P[0]&(1<<20))==0) {
MD5_Update(&key->md,in,md5_off);
RC4(&key->ks,rc4_off,in,out);
@@ -171,7 +175,8 @@ static int rc4_hmac_md5_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
if (md5_off>rc4_off) rc4_off += 2*MD5_CBLOCK;
else rc4_off += MD5_CBLOCK;
- if (len>rc4_off && (blocks=(len-rc4_off)/MD5_CBLOCK)) {
+ if (len>rc4_off && (blocks=(len-rc4_off)/MD5_CBLOCK) &&
+ (OPENSSL_ia32cap_P[0]&(1<<20))==0) {
RC4(&key->ks,rc4_off,in,out);
MD5_Update(&key->md,out,md5_off);
@@ -191,7 +196,7 @@ static int rc4_hmac_md5_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
#endif
/* decrypt HMAC at once */
RC4(&key->ks,len-rc4_off,in+rc4_off,out+rc4_off);
- if (plen) { /* "TLS" mode of operation */
+ if (plen!=NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */
MD5_Update(&key->md,out+md5_off,plen-md5_off);
/* calculate HMAC and verify it */
@@ -207,7 +212,7 @@ static int rc4_hmac_md5_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
}
- key->payload_length = 0;
+ key->payload_length = NO_PAYLOAD_LENGTH;
return 1;
}