From fd04db90b5e22bd5908fc2eb5866b81165c6b0ad Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Mon, 3 Oct 2005 20:53:27 +0000
Subject: [PATCH] Stop leaking storage for EVP keys. (This would be a critical
 bug if it had ever appeared in a released version.)

svn:r5179
---
 src/common/aes.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/common/aes.c b/src/common/aes.c
index 71250cd0c5..6179b16744 100644
--- a/src/common/aes.c
+++ b/src/common/aes.c
@@ -156,6 +156,9 @@ void
 aes_free_cipher(aes_cnt_cipher_t *cipher)
 {
   assert(cipher);
+#ifdef USE_OPENSSL_EVP
+  EVP_CIPHER_CTX_cleanup(&cipher->key);
+#endif
   memset(cipher, 0, sizeof(cipher));
   tor_free(cipher);
 }