Use chunk_clear to memwipe shared secret

diff --git a/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c b/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c
index 78ed281..9e40675 100644 (file)
--- a/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c
+++ b/src/libstrongswan/plugins/openssl/openssl_ec_diffie_hellman.c
@@ -219,7 +219,7 @@ METHOD(diffie_hellman_t, set_other_public_value, void,
                return;
        }
 
-       chunk_free(&this->shared_secret);
+       chunk_clear(&this->shared_secret);
 
        if (!compute_shared_key(this, &this->shared_secret)) {
                DBG1(DBG_LIB, "ECDH shared secret computation failed");