src/cipher.h

   1 /*
   2     Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012
   3     Ben Kibbey <bjk@luxsci.net>
   4
   5     This file is part of pwmd.
   6
   7     Pwmd is free software: you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation, either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     Pwmd is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with Pwmd.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20 #ifndef CIPHER_H
  21 #define CIPHER_H
  22
  23 #include <stdint.h>
  24
  25 #define PWMD_CIPHER_OFFSET      (1)
  26 #define PWMD_CIPHER(n)          (PWMD_CIPHER_OFFSET << n)
  27 #define PWMD_CIPHER_AES128      PWMD_CIPHER(0)
  28 #define PWMD_CIPHER_AES192      PWMD_CIPHER(1)
  29 #define PWMD_CIPHER_AES256      PWMD_CIPHER(2)
  30 #define PWMD_CIPHER_SERPENT128  PWMD_CIPHER(3)
  31 #define PWMD_CIPHER_SERPENT192  PWMD_CIPHER(4)
  32 #define PWMD_CIPHER_SERPENT256  PWMD_CIPHER(5)
  33 #define PWMD_CIPHER_CAMELLIA128 PWMD_CIPHER(6)
  34 #define PWMD_CIPHER_CAMELLIA192 PWMD_CIPHER(7)
  35 #define PWMD_CIPHER_CAMELLIA256 PWMD_CIPHER(8)
  36 #define PWMD_CIPHER_3DES        PWMD_CIPHER(9)
  37 #define PWMD_CIPHER_CAST5       PWMD_CIPHER(10)
  38 #define PWMD_CIPHER_BLOWFISH    PWMD_CIPHER(11)
  39 #define PWMD_CIPHER_TWOFISH     PWMD_CIPHER(12)
  40 #define PWMD_CIPHER_TWOFISH128  PWMD_CIPHER(13)
  41
  42 #define PWMD_FLAG_OFFSET        (PWMD_CIPHER_OFFSET << 15)
  43 #define PWMD_FLAG(n)            (PWMD_FLAG_OFFSET << n)
  44
  45 int cipher_string_to_gcrypt(const char *str);
  46 int cipher_to_gcrypt(int flags);
  47 unsigned gcrypt_to_cipher(int n);
  48 int cipher_string_to_cipher(const char *str);
  49 uint64_t set_cipher_flag(uint64_t flags, int algo);
  50
  51 #endif