client/src/emv/crypto.h

   1 //-----------------------------------------------------------------------------
   2 // Borrowed initially from https://github.com/lumag/emv-tools/
   3 // Copyright (C) 2012, 2015 Dmitry Eremin-Solenikov
   4 // Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
   5 //
   6 // This program is free software: you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation, either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // See LICENSE.txt for the text of the license.
  17 //-----------------------------------------------------------------------------
  18 // libopenemv - a library to work with EMV family of smart cards
  19 //-----------------------------------------------------------------------------
  20
  21 #ifndef CRYPTO_H
  22 #define CRYPTO_H
  23
  24 #include "common.h"
  25
  26 enum crypto_algo_hash {
  27     HASH_INVALID,
  28     HASH_SHA_1,
  29 };
  30
  31 struct crypto_hash *crypto_hash_open(enum crypto_algo_hash hash);
  32 void crypto_hash_close(struct crypto_hash *ch);
  33 void crypto_hash_write(struct crypto_hash *ch, const unsigned char *buf, size_t len);
  34 unsigned char *crypto_hash_read(struct crypto_hash *ch);
  35 size_t crypto_hash_get_size(const struct crypto_hash *ch);
  36
  37 enum crypto_algo_pk {
  38     PK_INVALID,
  39     PK_RSA,
  40 };
  41
  42 struct crypto_pk *crypto_pk_open(enum crypto_algo_pk pk, ...);
  43 struct crypto_pk *crypto_pk_open_priv(enum crypto_algo_pk pk, ...);
  44 struct crypto_pk *crypto_pk_genkey(enum crypto_algo_pk pk, ...);
  45 void crypto_pk_close(struct crypto_pk *cp);
  46 unsigned char *crypto_pk_encrypt(const struct crypto_pk *cp, const unsigned char *buf, size_t len, size_t *clen);
  47 unsigned char *crypto_pk_decrypt(const struct crypto_pk *cp, const unsigned char *buf, size_t len, size_t *clen);
  48 enum crypto_algo_pk crypto_pk_get_algo(const struct crypto_pk *cp);
  49 size_t crypto_pk_get_nbits(const struct crypto_pk *cp);
  50 unsigned char *crypto_pk_get_parameter(const struct crypto_pk *cp, unsigned param, size_t *plen);
  51
  52 #endif