1 /*
2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. A copy of the License is
6 * located at
7 *
8 * http://aws.amazon.com/apache2.0/
9 *
10 * or in the "license" file accompanying this file. This file is distributed on an
11 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
12 * implied. See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <cbmc_proof/nondet.h>
17
18 #include "api/s2n.h"
19 #include "crypto/s2n_hash.h"
20 #include "utils/s2n_safety.h"
21
s2n_hash_digest(struct s2n_hash_state * state,void * out,uint32_t size)22 int s2n_hash_digest(struct s2n_hash_state *state, void *out, uint32_t size)
23 {
24 POSIX_PRECONDITION(s2n_hash_state_validate(state));
25 POSIX_ENSURE(S2N_MEM_IS_READABLE(out, size), S2N_ERR_PRECONDITION_VIOLATION);
26 POSIX_ENSURE_REF(state->hash_impl->digest);
27
28 /* return state->hash_impl->digest(state, out, size); */
29 return nondet_bool() ? S2N_SUCCESS : S2N_FAILURE;
30 }
31