Botan 3.8.1
Crypto and TLS for C&
sm4.h
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1/*
2* SM4
3* (C) 2017 Ribose Inc
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#ifndef BOTAN_SM4_H_
9#define BOTAN_SM4_H_
10
11#include <botan/block_cipher.h>
12#include <botan/secmem.h>
13
14namespace Botan {
15
16/**
17* SM4
18*/
19class SM4 final : public Block_Cipher_Fixed_Params<16, 16> {
20 public:
21 void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
22 void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
23
24 void clear() override;
25
26 std::string name() const override { return "SM4"; }
27
28 std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<SM4>(); }
29
30 std::string provider() const override;
31 size_t parallelism() const override;
32 bool has_keying_material() const override;
33
34 private:
35 void key_schedule(std::span<const uint8_t> key) override;
36
37#if defined(BOTAN_HAS_SM4_ARMV8)
38 void sm4_armv8_encrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
39 void sm4_armv8_decrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
40#endif
41
42#if defined(BOTAN_HAS_SM4_X86)
43 void sm4_x86_encrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
44 void sm4_x86_decrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
45#endif
46
47#if defined(BOTAN_HAS_SM4_GFNI)
48 void sm4_gfni_encrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
49 void sm4_gfni_decrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
50#endif
51
53};
54
55} // namespace Botan
56
57#endif
std::string name() const override
Definition sm4.h:26
std::string provider() const override
Definition sm4.cpp:357
size_t parallelism() const override
Definition sm4.cpp:341
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition sm4.cpp:237
bool has_keying_material() const override
Definition sm4.cpp:307
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition sm4.cpp:164
std::unique_ptr< BlockCipher > new_object() const override
Definition sm4.h:28
void clear() override
Definition sm4.cpp:337
std::vector< T, secure_allocator< T > > secure_vector
Definition secmem.h:65