aboutsummaryrefslogtreecommitdiffstats
path: root/src/pk_pad/emsa.h
blob: e2491e40f7d85360fdd311f5b96436c620c52358 (plain)
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
/*
* EMSA Classes
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/

#ifndef BOTAN_PUBKEY_EMSA_H__
#define BOTAN_PUBKEY_EMSA_H__

#include <botan/secmem.h>
#include <botan/rng.h>

namespace Botan {

/*
* Encoding Method for Signatures, Appendix
*/
class BOTAN_DLL EMSA
   {
   public:
      virtual void update(const byte[], u32bit) = 0;
      virtual SecureVector<byte> raw_data() = 0;

      virtual SecureVector<byte> encoding_of(const MemoryRegion<byte>&,
                                             u32bit,
                                             RandomNumberGenerator& rng) = 0;

      virtual bool verify(const MemoryRegion<byte>&, const MemoryRegion<byte>&,
                          u32bit) throw() = 0;
      virtual ~EMSA() {}
   };

}

#endif