include/crypto/internal/rsa.h

   1 /*
   2  * RSA internal helpers
   3  *
   4  * Copyright (c) 2015, Intel Corporation
   5  * Authors: Tadeusz Struk <tadeusz.struk@intel.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  */
  13 #ifndef _RSA_HELPER_
  14 #define _RSA_HELPER_
  15 #include <linux/types.h>
  16
  17 /**
  18  * rsa_key - RSA key structure
  19  * @n           : RSA modulus raw byte stream
  20  * @e           : RSA public exponent raw byte stream
  21  * @d           : RSA private exponent raw byte stream
  22  * @n_sz        : length in bytes of RSA modulus n
  23  * @e_sz        : length in bytes of RSA public exponent
  24  * @d_sz        : length in bytes of RSA private exponent
  25  */
  26 struct rsa_key {
  27         const u8 *n;
  28         const u8 *e;
  29         const u8 *d;
  30         size_t n_sz;
  31         size_t e_sz;
  32         size_t d_sz;
  33 };
  34
  35 int rsa_parse_pub_key(struct rsa_key *rsa_key, const void *key,
  36                       unsigned int key_len);
  37
  38 int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key,
  39                        unsigned int key_len);
  40
  41 extern struct crypto_template rsa_pkcs1pad_tmpl;
  42 #endif