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/*
* fastpbkdf2 - Faster PBKDF2-HMAC calculation
* Written in 2015 by Joseph Birr-Pixton <jpixton@gmail.com>
*
* To the extent possible under law, the author(s) have dedicated all
* copyright and related and neighboring rights to this software to the
* public domain worldwide. This software is distributed without any
* warranty.
*
* You should have received a copy of the CC0 Public Domain Dedication
* along with this software. If not, see
* <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
* Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
* Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
*
* Note: Removed SHA1 and SHA512 as the functions are not available
*/
#ifndef FASTPBKDF2_H
#define FASTPBKDF2_H
#include <stdlib.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Calculates PBKDF2-HMAC-SHA256.
*
* @p npw bytes at @p pw are the password input.
* @p nsalt bytes at @p salt are the salt input.
* @p iterations is the PBKDF2 iteration count and must be non-zero.
* @p nout bytes of output are written to @p out. @p nout must be non-zero.
*
* This function cannot fail; it does not report errors.
*/
void fastpbkdf2_hmac_sha256(const uint8_t *pw, size_t npw,
const uint8_t *salt, size_t nsalt,
uint32_t iterations,
uint8_t *out, size_t nout);
#ifdef __cplusplus
}
#endif
#endif
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