EVP_BytesToKey(): return through the error path (which cleans things up)

if EVP_DigestInit_ex() fails.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/evp/evp_key.c b/src/lib/libcrypto/evp/evp_key.c
index 4718ab6175..0678536ccb 100644
--- a/src/lib/libcrypto/evp/evp_key.c
+++ b/src/lib/libcrypto/evp/evp_key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: evp_key.c,v 1.21 2015/02/10 09:52:35 miod Exp $ */
+/* $OpenBSD: evp_key.c,v 1.22 2015/02/10 09:55:39 miod Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -149,7 +149,7 @@ EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
         EVP_MD_CTX_init(&c);
         for (;;) {
                 if (!EVP_DigestInit_ex(&c, md, NULL))
-                        return 0;
+                        goto err;
                 if (addmd++)
                         if (!EVP_DigestUpdate(&c, &(md_buf[0]), mds))
                                 goto err;
@@ -201,6 +201,6 @@ EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
 
 err:
         EVP_MD_CTX_cleanup(&c);
-        OPENSSL_cleanse(&(md_buf[0]), EVP_MAX_MD_SIZE);
+        OPENSSL_cleanse(md_buf, sizeof md_buf);
         return rv;
 }