aboutsummaryrefslogtreecommitdiffstats
path: root/src/lib/hash/sha2_64/sha2_64.h
blob: 5aae5effe5706d92d3708d66378cd9cadd71be7f (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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
* SHA-{384,512}
* (C) 1999-2010,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#ifndef BOTAN_SHA_64BIT_H__
#define BOTAN_SHA_64BIT_H__

#include <botan/mdx_hash.h>

namespace Botan {

/**
* SHA-384
*/
class BOTAN_DLL SHA_384 : public MDx_HashFunction
   {
   public:
      std::string name() const override { return "SHA-384"; }
      size_t output_length() const override { return 48; }
      HashFunction* clone() const override { return new SHA_384; }

      void clear() override;

      SHA_384() : MDx_HashFunction(128, true, true, 16), m_digest(8)
         { clear(); }
   private:
      void compress_n(const byte[], size_t blocks) override;
      void copy_out(byte[]) override;

      secure_vector<u64bit> m_digest;
   };

/**
* SHA-512
*/
class BOTAN_DLL SHA_512 : public MDx_HashFunction
   {
   public:
      std::string name() const override { return "SHA-512"; }
      size_t output_length() const override { return 64; }
      HashFunction* clone() const override { return new SHA_512; }

      void clear() override;

      SHA_512() : MDx_HashFunction(128, true, true, 16), m_digest(8)
         { clear(); }
   private:
      void compress_n(const byte[], size_t blocks) override;
      void copy_out(byte[]) override;

      secure_vector<u64bit> m_digest;
   };

/**
* SHA-512/256
*/
class BOTAN_DLL SHA_512_256 : public MDx_HashFunction
   {
   public:
      std::string name() const override { return "SHA-512/256"; }
      size_t output_length() const override { return 32; }
      HashFunction* clone() const override { return new SHA_512_256; }

      void clear() override;

      SHA_512_256() : MDx_HashFunction(128, true, true, 16), m_digest(8) { clear(); }
   private:
      void compress_n(const byte[], size_t blocks) override;
      void copy_out(byte[]) override;

      secure_vector<u64bit> m_digest;
   };

}

#endif