1 /* -*- mode:C; c-file-style: "bsd" -*- */
2 /* Copyright (c) 2008-2012 Yubico AB
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef __YKPBKDF2_H_INCLUDED__
31 #define __YKPBKDF2_H_INCLUDED__
36 typedef struct yk_prf_context YK_PRF_CTX;
37 typedef struct yk_prf_method YK_PRF_METHOD;
38 struct yk_prf_method {
40 int (*prf_fn)(const char *key, size_t key_len,
41 const char *text, size_t text_len,
42 uint8_t *output, size_t output_size);
45 int yk_hmac_sha1(const char *key, size_t key_len,
46 const char *text, size_t text_len,
47 uint8_t *output, size_t output_size);
49 int yk_pbkdf2(const char *passphrase,
50 const unsigned char *salt, size_t salt_len,
51 unsigned int iterations,
52 unsigned char *dk, size_t dklen,
53 YK_PRF_METHOD *prf_method);