Botan 2.1.0 Crypto and TLS for C++11

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sha2_64.h
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1 /*
2 * SHA-{384,512}
3 * (C) 1999-2010,2015 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7
8 #ifndef BOTAN_SHA_64BIT_H__
9 #define BOTAN_SHA_64BIT_H__
10
11 #include <botan/mdx_hash.h>
12
13 namespace Botan {
14
15 /**
16 * SHA-384
17 */
18 class BOTAN_DLL SHA_384 final : public MDx_HashFunction
19 {
20 public:
21 std::string name() const override { return "SHA-384"; }
22 size_t output_length() const override { return 48; }
23 HashFunction* clone() const override { return new SHA_384; }
24
25 void clear() override;
26
27 SHA_384() : MDx_HashFunction(128, true, true, 16), m_digest(8)
28 { clear(); }
29 private:
30 void compress_n(const uint8_t[], size_t blocks) override;
31 void copy_out(uint8_t[]) override;
32
33 secure_vector<uint64_t> m_digest;
34 };
35
36 /**
37 * SHA-512
38 */
39 class BOTAN_DLL SHA_512 final : public MDx_HashFunction
40 {
41 public:
42 std::string name() const override { return "SHA-512"; }
43 size_t output_length() const override { return 64; }
44 HashFunction* clone() const override { return new SHA_512; }
45
46 void clear() override;
47
48 SHA_512() : MDx_HashFunction(128, true, true, 16), m_digest(8)
49 { clear(); }
50 private:
51 void compress_n(const uint8_t[], size_t blocks) override;
52 void copy_out(uint8_t[]) override;
53
54 secure_vector<uint64_t> m_digest;
55 };
56
57 /**
58 * SHA-512/256
59 */
60 class BOTAN_DLL SHA_512_256 final : public MDx_HashFunction
61 {
62 public:
63 std::string name() const override { return "SHA-512-256"; }
64 size_t output_length() const override { return 32; }
65 HashFunction* clone() const override { return new SHA_512_256; }
66
67 void clear() override;
68
69 SHA_512_256() : MDx_HashFunction(128, true, true, 16), m_digest(8) { clear(); }
70 private:
71 void compress_n(const uint8_t[], size_t blocks) override;
72 void copy_out(uint8_t[]) override;
73
74 secure_vector<uint64_t> m_digest;
75 };
76
77 }
78
79 #endif
Botan::SHA_512_256
Definition: sha2_64.h:60
Botan::SHA_512::SHA_512
SHA_512()
Definition: sha2_64.h:48
Botan::SHA_512_256::output_length
size_t output_length() const override
Definition: sha2_64.h:64
Botan::SHA_512_256::name
std::string name() const override
Definition: sha2_64.h:63
Botan::SHA_384::name
std::string name() const override
Definition: sha2_64.h:21
Botan::SHA_512_256::SHA_512_256
SHA_512_256()
Definition: sha2_64.h:69
Botan::SHA_512::name
std::string name() const override
Definition: sha2_64.h:42
Botan::SHA_384::SHA_384
SHA_384()
Definition: sha2_64.h:27
Botan::secure_vector
std::vector< T, secure_allocator< T >> secure_vector
Definition: secmem.h:121
Botan::SHA_512::output_length
size_t output_length() const override
Definition: sha2_64.h:43
Botan::SHA_512_256::clone
HashFunction * clone() const override
Definition: sha2_64.h:65
Botan::SHA_384::output_length
size_t output_length() const override
Definition: sha2_64.h:22
Botan::MDx_HashFunction
Definition: mdx_hash.h:18
Botan
Definition: alg_id.cpp:13
Botan::HashFunction
Definition: hash.h:19
Botan::SHA_384::clone
HashFunction * clone() const override
Definition: sha2_64.h:23
Botan::SHA_384
Definition: sha2_64.h:18
Botan::SHA_512
Definition: sha2_64.h:39
Botan::SHA_512::clone
HashFunction * clone() const override
Definition: sha2_64.h:44