Fix a memory leak in the afalg engine

The AFALG engine created a global EVP_CIPHER instance but was not freeing
it up when the engine was destroyed.

Reviewed-by: Rich Salz <rsalz@openssl.org>

diff --git a/engines/afalg/e_afalg.c b/engines/afalg/e_afalg.c
index 51ae68ddc1c47264ca5d6b03670484cb9653a47f..90d76020683d852c3db8a36d182532065d340d37 100644 (file)
--- a/engines/afalg/e_afalg.c
+++ b/engines/afalg/e_afalg.c
@@ -844,6 +844,8 @@ static int afalg_finish(ENGINE *e)
 static int afalg_destroy(ENGINE *e)
 {
     ERR_unload_AFALG_strings();
+    EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
+    _hidden_aes_128_cbc = NULL;
     return 1;
 }