proxmark3/client/emv/crypto.h

48 lines
1.8 KiB
C

/*
* libopenemv - a library to work with EMV family of smart cards
* Copyright (C) 2015 Dmitry Eremin-Solenikov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#ifndef CRYPTO_H
#define CRYPTO_H
#include <stdbool.h>
#include <stddef.h>
enum crypto_algo_hash {
HASH_INVALID,
HASH_SHA_1,
};
struct crypto_hash *crypto_hash_open(enum crypto_algo_hash hash);
void crypto_hash_close(struct crypto_hash *ch);
void crypto_hash_write(struct crypto_hash *ch, const unsigned char *buf, size_t len);
unsigned char *crypto_hash_read(struct crypto_hash *ch);
size_t crypto_hash_get_size(const struct crypto_hash *ch);
enum crypto_algo_pk {
PK_INVALID,
PK_RSA,
};
struct crypto_pk *crypto_pk_open(enum crypto_algo_pk pk, ...);
struct crypto_pk *crypto_pk_open_priv(enum crypto_algo_pk pk, ...);
struct crypto_pk *crypto_pk_genkey(enum crypto_algo_pk pk, ...);
void crypto_pk_close(struct crypto_pk *cp);
unsigned char *crypto_pk_encrypt(const struct crypto_pk *cp, const unsigned char *buf, size_t len, size_t *clen);
unsigned char *crypto_pk_decrypt(const struct crypto_pk *cp, const unsigned char *buf, size_t len, size_t *clen);
enum crypto_algo_pk crypto_pk_get_algo(const struct crypto_pk *cp);
size_t crypto_pk_get_nbits(const struct crypto_pk *cp);
unsigned char *crypto_pk_get_parameter(const struct crypto_pk *cp, unsigned param, size_t *plen);
#endif