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Diffstat (limited to 'lib/libssl/src/ssl/s3_both.c')
-rw-r--r--lib/libssl/src/ssl/s3_both.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/lib/libssl/src/ssl/s3_both.c b/lib/libssl/src/ssl/s3_both.c
index 6ba3d4bfcef..17368f1107f 100644
--- a/lib/libssl/src/ssl/s3_both.c
+++ b/lib/libssl/src/ssl/s3_both.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: s3_both.c,v 1.28 2014/08/07 20:02:23 miod Exp $ */
+/* $OpenBSD: s3_both.c,v 1.29 2014/09/22 12:36:06 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -223,7 +223,7 @@ ssl3_take_mac(SSL *s)
int
ssl3_get_finished(SSL *s, int a, int b)
{
- int al, i, ok;
+ int al, ok, md_len;
long n;
unsigned char *p;
@@ -247,33 +247,31 @@ ssl3_get_finished(SSL *s, int a, int b)
}
s->s3->change_cipher_spec = 0;
+ md_len = s->method->ssl3_enc->finish_mac_length;
p = (unsigned char *)s->init_msg;
- i = s->s3->tmp.peer_finish_md_len;
- if (i != n) {
+ if (s->s3->tmp.peer_finish_md_len != md_len || n != md_len) {
al = SSL_AD_DECODE_ERROR;
SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_BAD_DIGEST_LENGTH);
goto f_err;
}
- if (timingsafe_memcmp(p, s->s3->tmp.peer_finish_md, i) != 0) {
+ if (timingsafe_memcmp(p, s->s3->tmp.peer_finish_md, md_len) != 0) {
al = SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_DIGEST_CHECK_FAILED);
goto f_err;
}
- /* Copy the finished so we can use it for
- renegotiation checks */
+ /* Copy finished so we can use it for renegotiation checks. */
+ OPENSSL_assert(md_len <= EVP_MAX_MD_SIZE);
if (s->type == SSL_ST_ACCEPT) {
- OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
memcpy(s->s3->previous_client_finished,
- s->s3->tmp.peer_finish_md, i);
- s->s3->previous_client_finished_len = i;
+ s->s3->tmp.peer_finish_md, md_len);
+ s->s3->previous_client_finished_len = md_len;
} else {
- OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
memcpy(s->s3->previous_server_finished,
- s->s3->tmp.peer_finish_md, i);
- s->s3->previous_server_finished_len = i;
+ s->s3->tmp.peer_finish_md, md_len);
+ s->s3->previous_server_finished_len = md_len;
}
return (1);