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/* -*- mode:C; c-file-style: "bsd" -*- */
/* Copyright (c) 2008, Yubico AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __YKPBKDF2_H_INCLUDED__
#define __YKPBKDF2_H_INCLUDED__
#include <stddef.h>
#include <stdint.h>
typedef struct yk_prf_context YK_PRF_CTX;
typedef struct yk_prf_method YK_PRF_METHOD;
struct yk_prf_method {
size_t output_size;
int (*prf_fn)(const char *key, size_t key_len,
const char *text, size_t text_len,
uint8_t *output, size_t output_size);
};
extern YK_PRF_METHOD yk_hmac_sha1;
int yk_pbkdf2(const char *passphrase,
const unsigned char *salt, size_t salt_len,
unsigned int iterations,
unsigned char *dk, size_t dklen,
YK_PRF_METHOD *prf_method);
#endif
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