Botan  2.1.0
Crypto and TLS for C++11
sha160.h
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1 /*
2 * SHA-160
3 * (C) 1999-2007,2016 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #ifndef BOTAN_SHA_160_H__
9 #define BOTAN_SHA_160_H__
10 
11 #include <botan/mdx_hash.h>
12 
13 namespace Botan {
14 
15 /**
16 * NIST's SHA-160
17 */
18 class BOTAN_DLL SHA_160 final : public MDx_HashFunction
19  {
20  public:
21  std::string name() const override { return "SHA-160"; }
22  size_t output_length() const override { return 20; }
23  HashFunction* clone() const override { return new SHA_160; }
24 
25  void clear() override;
26 
27  SHA_160() : MDx_HashFunction(64, true, true), m_digest(5)
28  {
29  clear();
30  }
31 
32  private:
33  void compress_n(const uint8_t[], size_t blocks) override;
34 
35 #if defined(BOTAN_HAS_SHA1_SSE2)
36  static void sse2_compress_n(secure_vector<uint32_t>& digest,
37  const uint8_t blocks[],
38  size_t block_count);
39 #endif
40 
41 
42  void copy_out(uint8_t[]) override;
43 
44  /**
45  * The digest value
46  */
47  secure_vector<uint32_t> m_digest;
48 
49  /**
50  * The message buffer
51  */
53  };
54 
55 typedef SHA_160 SHA_1;
56 
57 }
58 
59 #endif
HashFunction * clone() const override
Definition: sha160.h:23
SHA_160 SHA_1
Definition: sha160.h:55
size_t output_length() const override
Definition: sha160.h:22
std::vector< T, secure_allocator< T >> secure_vector
Definition: secmem.h:121
Definition: alg_id.cpp:13
std::string name() const override
Definition: sha160.h:21