free up gost ciphers

[openssl.git] / engines / ccgost / gost_crypt.c

diff --git a/engines/ccgost/gost_crypt.c b/engines/ccgost/gost_crypt.c
index 9c6dcc53a095264b4f5aee438115e80bf350c37f..63009a23d14d32bcc1b22161480711c8dd4891c7 100644 (file)
--- a/engines/ccgost/gost_crypt.c
+++ b/engines/ccgost/gost_crypt.c
@@ -109,6 +109,14 @@ const EVP_CIPHER *cipher_gost_cpacnt(void)
     return _hidden_gost89_cnt;
 }
 
+void cipher_gost_destroy(void)
+{
+    EVP_CIPHER_meth_free(_hidden_Gost28147_89_cipher);
+    _hidden_Gost28147_89_cipher = NULL;
+    EVP_CIPHER_meth_free(_hidden_gost89_cnt);
+    _hidden_gost89_cnt = NULL;
+}
+
 /* Implementation of GOST 28147-89 in MAC (imitovstavka) mode */
 /* Init functions which set specific parameters */
 static int gost_imit_init_cpa(EVP_MD_CTX *ctx);