3 * Wrapper for OpenSSL library.
5 * Copyright (c) 2000 Marko Kreen
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $Id: openssl.c,v 1.1 2000/10/31 13:11:28 petere Exp $
38 pg_ossl_len(pg_digest *h);
40 pg_ossl_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf);
43 pg_ossl_len(pg_digest *h) {
44 return EVP_MD_size((EVP_MD*)h->misc.ptr);
48 pg_ossl_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf)
50 EVP_MD *md = (EVP_MD*)h->misc.ptr;
53 EVP_DigestInit(&ctx, md);
54 EVP_DigestUpdate(&ctx, src, len);
55 EVP_DigestFinal(&ctx, buf, NULL);
60 static int pg_openssl_initialized = 0;
63 pg_find_digest(pg_digest *h, char *name)
67 if (!pg_openssl_initialized) {
68 OpenSSL_add_all_digests();
69 pg_openssl_initialized = 1;
72 md = EVP_get_digestbyname(name);
77 h->length = pg_ossl_len;
78 h->digest = pg_ossl_digest;
79 h->misc.ptr = (void*)md;