Botan 3.0.0
Crypto and TLS for C&
sm4.h
Go to the documentation of this file.
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
13namespace Botan {
14
15/**
16* SM4
17*/
18class SM4 final : public Block_Cipher_Fixed_Params<16, 16>
19 {
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 std::string name() const override { return "SM4"; }
26 std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<SM4>(); }
27
28 std::string provider() const override;
29 size_t parallelism() const override;
30 bool has_keying_material() const override;
31 private:
32 void key_schedule(const uint8_t[], size_t) override;
33
34#if defined(BOTAN_HAS_SM4_ARMV8)
35 void sm4_armv8_encrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
36 void sm4_armv8_decrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
37#endif
38
40 };
41
42}
43
44#endif
Definition: sm4.h:19
std::string name() const override
Definition: sm4.h:25
std::string provider() const override
Definition: sm4.cpp:358
size_t parallelism() const override
Definition: sm4.cpp:346
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition: sm4.cpp:243
bool has_keying_material() const override
Definition: sm4.cpp:303
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition: sm4.cpp:180
std::unique_ptr< BlockCipher > new_object() const override
Definition: sm4.h:26
void clear() override
Definition: sm4.cpp:341
int(* final)(unsigned char *, CTX *)
Definition: alg_id.cpp:12
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:64