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/*-
* Copyright 2016 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_LIBCRYPTOBOX_CATENA_CATENA_H_
#define SRC_LIBCRYPTOBOX_CATENA_CATENA_H_
/* Modes */
#define PASSWORD_HASHING_MODE 0
#define KEY_DERIVATION_MODE 1
#define REGULAR 0
#define CLIENT 1
#define CATENA_HLEN 64
#ifdef __cplusplus
extern "C" {
#endif
int catena(const uint8_t *pwd, const uint32_t pwdlen,
const uint8_t *salt, const uint8_t saltlen,
const uint8_t *data, const uint32_t datalen,
const uint8_t lambda, const uint8_t min_garlic,
const uint8_t garlic, const uint8_t hashlen, uint8_t *hash);
/**
* Simple interface for catena PBKDF
* @param pwd password
* @param pwdlen length of password
* @param salt salt
* @param saltlen length of salt
* @param data additional data
* @param datalen length of additional data
* @param hash output hash
* @return 0 if hash is generated, -1 in case of error
*/
int simple_catena(const uint8_t *pwd, const uint32_t pwdlen,
const uint8_t *salt, const uint8_t saltlen,
const uint8_t *data, const uint32_t datalen,
uint8_t hash[CATENA_HLEN]);
/**
* Run a quick test on catena implementation
*/
int catena_test(void);
#ifdef __cplusplus
}
#endif
#endif /* SRC_LIBCRYPTOBOX_CATENA_CATENA_H_ */
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