Botan 2.19.1
Crypto and TLS for C&
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
14
15namespace Botan {
16
17/**
18* NIST's SHA-160
19*/
21 {
22 public:
23 std::string name() const override { return "SHA-160"; }
24 size_t output_length() const override { return 20; }
25 HashFunction* clone() const override { return new SHA_160; }
26 std::unique_ptr<HashFunction> copy_state() const override;
27
28 void clear() override;
29
30 SHA_160() : MDx_HashFunction(64, true, true), m_digest(5)
31 {
32 clear();
33 }
34
35 private:
36 void compress_n(const uint8_t[], size_t blocks) override;
37
38#if defined(BOTAN_HAS_SHA1_ARMV8)
39 static void sha1_armv8_compress_n(secure_vector<uint32_t>& digest,
40 const uint8_t blocks[],
41 size_t block_count);
42#endif
43
44#if defined(BOTAN_HAS_SHA1_SSE2)
45 static void sse2_compress_n(secure_vector<uint32_t>& digest,
46 const uint8_t blocks[],
47 size_t block_count);
48#endif
49
50#if defined(BOTAN_HAS_SHA1_X86_SHA_NI)
51 // Using x86 SHA instructions in Intel Goldmont and Cannonlake
52 static void sha1_compress_x86(secure_vector<uint32_t>& digest,
53 const uint8_t blocks[],
54 size_t block_count);
55#endif
56
57
58 void copy_out(uint8_t[]) override;
59
60 /**
61 * The digest value
62 */
64
65 /**
66 * The message buffer
67 */
69 };
70
71typedef SHA_160 SHA_1;
72
73}
74
75#endif
virtual std::unique_ptr< HashFunction > copy_state() const =0
void clear() override
Definition: mdx_hash.cpp:41
virtual void compress_n(const uint8_t blocks[], size_t block_n)=0
virtual void copy_out(uint8_t buffer[])=0
size_t output_length() const override
Definition: sha160.h:24
HashFunction * clone() const override
Definition: sha160.h:25
std::string name() const override
Definition: sha160.h:23
int(* final)(unsigned char *, CTX *)
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:136
Definition: alg_id.cpp:13
SHA_160 SHA_1
Definition: sha160.h:71
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:65