verification/cbmc/stubs/EVP_MD_CTX_free_no_pkey_stub.c

/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use
 * this file except in compliance with the License. A copy of the License is
 * located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <assert.h>
#include <openssl/evp.h>
#include <stdlib.h>

/*
 * Frees up the space allocated to ctx context.
 * Use this stub when we are *certain* there is no pkey associated with the digest context.
 */
void EVP_MD_CTX_free(EVP_MD_CTX *ctx) {
    if (ctx) {
        assert(ctx->pkey == NULL);
        free(ctx);
    }
}