1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <apr.h>
18#include <apr_random.h>
19#include <apr_pools.h>
20#include "sha2.h"
21
22static void sha256_init(apr_crypto_hash_t *h)
23{
24    apr__SHA256_Init(h->data);
25}
26
27static void sha256_add(apr_crypto_hash_t *h,const void *data,
28                       apr_size_t bytes)
29{
30    apr__SHA256_Update(h->data,data,bytes);
31}
32
33static void sha256_finish(apr_crypto_hash_t *h,unsigned char *result)
34{
35    apr__SHA256_Final(result,h->data);
36}
37
38APR_DECLARE(apr_crypto_hash_t *) apr_crypto_sha256_new(apr_pool_t *p)
39{
40    apr_crypto_hash_t *h=apr_palloc(p,sizeof *h);
41
42    h->data=apr_palloc(p,sizeof(SHA256_CTX));
43    h->init=sha256_init;
44    h->add=sha256_add;
45    h->finish=sha256_finish;
46    h->size=256/8;
47
48    return h;
49}
50