File: safer_sk.h

package info (click to toggle)
botan1.10 1.10.8-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 12,288 kB
  • sloc: cpp: 61,853; python: 1,687; asm: 1,247; ansic: 252; perl: 89; sh: 52; makefile: 38; lisp: 34
file content (42 lines) | stat: -rw-r--r-- 860 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/*
* SAFER-SK
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/

#ifndef BOTAN_SAFER_SK_H__
#define BOTAN_SAFER_SK_H__

#include <botan/block_cipher.h>

namespace Botan {

/**
* SAFER-SK
*/
class BOTAN_DLL SAFER_SK : public Block_Cipher_Fixed_Params<8, 16>
   {
   public:
      void encrypt_n(const byte in[], byte out[], size_t blocks) const;
      void decrypt_n(const byte in[], byte out[], size_t blocks) const;

      void clear() { zeroise(EK); }
      std::string name() const;
      BlockCipher* clone() const;

      /**
      * @param rounds the number of rounds to use - must be between 1
      * and 13
      */
      SAFER_SK(size_t rounds);
   private:
      size_t get_rounds() const { return (EK.size() - 8) / 16; }
      void key_schedule(const byte[], size_t);

      SecureVector<byte> EK;
   };

}

#endif