1 #ifndef C_TOXCORE_TOXENCRYPTSAVE_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_PBKDF2_SHA256_H 2 #define C_TOXCORE_TOXENCRYPTSAVE_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_PBKDF2_SHA256_H 3 4 #ifdef HAVE_CONFIG_H 5 #include "config.h" 6 #endif 7 #ifdef VANILLA_NACL /* toxcore only uses this when libsodium is unavailable */ 8 9 /*- 10 * Copyright 2005,2007,2009 Colin Percival 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 */ 35 36 #ifndef _SHA256_H_ 37 #define _SHA256_H_ 38 39 #include <sys/types.h> 40 41 #include <stdint.h> 42 43 #include "crypto_auth_hmacsha256.h" 44 45 /** 46 * PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen): 47 * Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and 48 * write the output to buf. The value dkLen must be at most 32 * (2^32 - 1). 49 */ 50 void PBKDF2_SHA256(const uint8_t *, size_t, const uint8_t *, size_t, 51 uint64_t, uint8_t *, size_t); 52 53 #endif /* !_SHA256_H_ */ 54 55 #endif 56 57 #endif 58