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trezor-firmware/crypto/pbkdf2.h

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2014-05-22 18:54:58 +00:00
/**
* Copyright (c) 2013-2014 Tomas Dzetkulic
* Copyright (c) 2013-2014 Pavol Rusnak
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
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#ifndef __PBKDF2_H__
#define __PBKDF2_H__
#include <stdint.h>
#include "sha2.h"
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typedef struct _PBKDF2_HMAC_SHA256_CTX {
uint32_t odig[SHA256_DIGEST_LENGTH / sizeof(uint32_t)];
uint32_t idig[SHA256_DIGEST_LENGTH / sizeof(uint32_t)];
uint32_t f[SHA256_DIGEST_LENGTH / sizeof(uint32_t)];
uint32_t g[SHA256_BLOCK_LENGTH / sizeof(uint32_t)];
char first;
} PBKDF2_HMAC_SHA256_CTX;
typedef struct _PBKDF2_HMAC_SHA512_CTX {
uint64_t odig[SHA512_DIGEST_LENGTH / sizeof(uint64_t)];
uint64_t idig[SHA512_DIGEST_LENGTH / sizeof(uint64_t)];
uint64_t f[SHA512_DIGEST_LENGTH / sizeof(uint64_t)];
uint64_t g[SHA512_BLOCK_LENGTH / sizeof(uint64_t)];
char first;
} PBKDF2_HMAC_SHA512_CTX;
void pbkdf2_hmac_sha256_Init(PBKDF2_HMAC_SHA256_CTX *pctx, const uint8_t *pass,
int passlen, const uint8_t *salt, int saltlen,
uint32_t blocknr);
void pbkdf2_hmac_sha256_Update(PBKDF2_HMAC_SHA256_CTX *pctx,
uint32_t iterations);
void pbkdf2_hmac_sha256_Final(PBKDF2_HMAC_SHA256_CTX *pctx, uint8_t *key);
void pbkdf2_hmac_sha256(const uint8_t *pass, int passlen, const uint8_t *salt,
int saltlen, uint32_t iterations, uint8_t *key,
int keylen);
void pbkdf2_hmac_sha512_Init(PBKDF2_HMAC_SHA512_CTX *pctx, const uint8_t *pass,
int passlen, const uint8_t *salt, int saltlen,
uint32_t blocknr);
void pbkdf2_hmac_sha512_Update(PBKDF2_HMAC_SHA512_CTX *pctx,
uint32_t iterations);
void pbkdf2_hmac_sha512_Final(PBKDF2_HMAC_SHA512_CTX *pctx, uint8_t *key);
void pbkdf2_hmac_sha512(const uint8_t *pass, int passlen, const uint8_t *salt,
int saltlen, uint32_t iterations, uint8_t *key,
int keylen);
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#endif