Botan 2.13.0 Crypto and TLS for C++11

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sm3.h
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1 /*
2 * SM3
3 * (C) 2017 Ribose Inc.
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7
8 #ifndef BOTAN_SM3_H_
9 #define BOTAN_SM3_H_
10
11 #include <botan/mdx_hash.h>
12
13 BOTAN_FUTURE_INTERNAL_HEADER(sm3.h)
14
15 namespace Botan {
16
17 enum {
18 SM3_BLOCK_BYTES = 64,
19 SM3_DIGEST_BYTES = 32
20 };
21
22 /**
23 * SM3
24 */
25 class BOTAN_PUBLIC_API(2,2) SM3 final : public MDx_HashFunction
26 {
27 public:
28 std::string name() const override { return "SM3"; }
29 size_t output_length() const override { return SM3_DIGEST_BYTES; }
30 HashFunction* clone() const override { return new SM3; }
31 std::unique_ptr<HashFunction> copy_state() const override;
32
33 void clear() override;
34
35 SM3() : MDx_HashFunction(SM3_BLOCK_BYTES, true, true), m_digest(SM3_DIGEST_BYTES)
36 { clear(); }
37 private:
38 void compress_n(const uint8_t[], size_t blocks) override;
39 void copy_out(uint8_t[]) override;
40
41 /**
42 * The digest value
43 */
44 secure_vector<uint32_t> m_digest;
45 };
46
47 }
48
49 #endif
Botan::SM3::output_length
size_t output_length() const override
Definition: sm3.h:29
Botan::SM3::name
std::string name() const override
Definition: sm3.h:28
Botan::MDx_HashFunction::clear
void clear() override
Definition: mdx_hash.cpp:41
final
int(* final)(unsigned char *, CTX *)
Definition: commoncrypto_hash.cpp:28
BOTAN_PUBLIC_API
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
Botan::SM3::clone
HashFunction * clone() const override
Definition: sm3.h:30
Botan::SM3
Definition: sm3.h:25
Botan::SM3_BLOCK_BYTES
Definition: sm3.h:18
Botan::secure_vector
std::vector< T, secure_allocator< T >> secure_vector
Definition: secmem.h:65
Botan::MDx_HashFunction::compress_n
virtual void compress_n(const uint8_t blocks[], size_t block_n)=0
Botan::MDx_HashFunction::copy_out
virtual void copy_out(uint8_t buffer[])=0
Botan::MDx_HashFunction
Definition: mdx_hash.h:20
Botan
Definition: alg_id.cpp:13
Botan::HashFunction
Definition: hash.h:20
Botan::HashFunction::copy_state
virtual std::unique_ptr< HashFunction > copy_state() const =0
m_digest
secure_vector< uint8_t > m_digest
Definition: sm2.cpp:132
BOTAN_FUTURE_INTERNAL_HEADER
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:139
Botan::SM3_DIGEST_BYTES
Definition: sm3.h:19
Botan::SM3::SM3
SM3()
Definition: sm3.h:35