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/*
* Copyright 2022-2025 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_SM4_PLATFORM_H
# define OSSL_SM4_PLATFORM_H
# pragma once
# if defined(OPENSSL_CPUID_OBJ)
# if defined(__aarch64__) || defined (_M_ARM64)
# include "arm_arch.h"
extern unsigned int OPENSSL_arm_midr;
static inline int vpsm4_capable(void)
{
return (OPENSSL_armcap_P & ARMV8_CPUID) &&
(MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_V1) ||
MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_N1));
}
static inline int vpsm4_ex_capable(void)
{
return (OPENSSL_armcap_P & ARMV8_CPUID) &&
(MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, HISI_CPU_IMP, HISI_CPU_PART_KP920));
}
# if defined(VPSM4_ASM)
# define VPSM4_CAPABLE vpsm4_capable()
# define VPSM4_EX_CAPABLE vpsm4_ex_capable()
# endif
# define HWSM4_CAPABLE (OPENSSL_armcap_P & ARMV8_SM4)
# define HWSM4_set_encrypt_key sm4_v8_set_encrypt_key
# define HWSM4_set_decrypt_key sm4_v8_set_decrypt_key
# define HWSM4_encrypt sm4_v8_encrypt
# define HWSM4_decrypt sm4_v8_decrypt
# define HWSM4_cbc_encrypt sm4_v8_cbc_encrypt
# define HWSM4_ecb_encrypt sm4_v8_ecb_encrypt
# define HWSM4_ctr32_encrypt_blocks sm4_v8_ctr32_encrypt_blocks
# elif defined(OPENSSL_CPUID_OBJ) && defined(__riscv) && __riscv_xlen == 64
/* RV64 support */
# include "riscv_arch.h"
/* Zvksed extension (vector crypto SM4). */
int rv64i_zvksed_sm4_set_encrypt_key(const unsigned char *userKey,
SM4_KEY *key);
int rv64i_zvksed_sm4_set_decrypt_key(const unsigned char *userKey,
SM4_KEY *key);
void rv64i_zvksed_sm4_encrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void rv64i_zvksed_sm4_decrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
# elif (defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64))
/* Intel x86_64 support */
# include "internal/cryptlib.h"
# define HWSM4_CAPABLE_X86_64 \
((OPENSSL_ia32cap_P[2] & (1 << 5)) && (OPENSSL_ia32cap_P[5] & (1 << 2)))
int hw_x86_64_sm4_set_key(const unsigned char *userKey, SM4_KEY *key);
int hw_x86_64_sm4_set_decryption_key(const unsigned char *userKey, SM4_KEY *key);
void hw_x86_64_sm4_encrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void hw_x86_64_sm4_decrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
# endif
# endif /* OPENSSL_CPUID_OBJ */
# if defined(HWSM4_CAPABLE)
int HWSM4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
int HWSM4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
void HWSM4_encrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void HWSM4_decrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void HWSM4_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const SM4_KEY *key,
unsigned char *ivec, const int enc);
void HWSM4_ecb_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const SM4_KEY *key,
const int enc);
void HWSM4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
const unsigned char ivec[16]);
# endif /* HWSM4_CAPABLE */
# ifdef VPSM4_CAPABLE
int vpsm4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
int vpsm4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
void vpsm4_encrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void vpsm4_decrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void vpsm4_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const SM4_KEY *key,
unsigned char *ivec, const int enc);
void vpsm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const SM4_KEY *key,
const int enc);
void vpsm4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
const unsigned char ivec[16]);
void vpsm4_xts_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const SM4_KEY *key1, const SM4_KEY *key2,
const unsigned char ivec[16], const int enc);
void vpsm4_xts_encrypt_gb(const unsigned char *in, unsigned char *out,
size_t len, const SM4_KEY *key1, const SM4_KEY *key2,
const unsigned char ivec[16], const int enc);
# endif /* VPSM4_CAPABLE */
# ifdef VPSM4_EX_CAPABLE
int vpsm4_ex_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
int vpsm4_ex_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
void vpsm4_ex_encrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void vpsm4_ex_decrypt(const unsigned char *in, unsigned char *out,
const SM4_KEY *key);
void vpsm4_ex_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const SM4_KEY *key,
unsigned char *ivec, const int enc);
void vpsm4_ex_ecb_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const SM4_KEY *key,
const int enc);
void vpsm4_ex_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
const unsigned char ivec[16]);
void vpsm4_ex_xts_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const SM4_KEY *key1, const SM4_KEY *key2,
const unsigned char ivec[16], const int enc);
void vpsm4_ex_xts_encrypt_gb(const unsigned char *in, unsigned char *out,
size_t len, const SM4_KEY *key1,
const SM4_KEY *key2, const unsigned char ivec[16],
const int enc);
# endif /* VPSM4_EX_CAPABLE */
#endif /* OSSL_SM4_PLATFORM_H */
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