include/crypto/sm4_platform.h

   1 /*
   2  * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef OSSL_SM4_PLATFORM_H
  11 # define OSSL_SM4_PLATFORM_H
  12 # pragma once
  13
  14 # if defined(OPENSSL_CPUID_OBJ)
  15 #  if (defined(__arm__) || defined(__arm) || defined(__aarch64__))
  16 #   include "arm_arch.h"
  17 #   if __ARM_MAX_ARCH__>=8
  18 extern unsigned int OPENSSL_arm_midr;
  19 static inline int vpsm4_capable(void)
  20 {
  21     return (OPENSSL_armcap_P & ARMV8_CPUID) &&
  22             (MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_V1) ||
  23              MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_N1));
  24 }
  25 #    if defined(VPSM4_ASM)
  26 #     define VPSM4_CAPABLE vpsm4_capable()
  27 #    endif
  28 #    define HWSM4_CAPABLE (OPENSSL_armcap_P & ARMV8_SM4)
  29 #    define HWSM4_set_encrypt_key sm4_v8_set_encrypt_key
  30 #    define HWSM4_set_decrypt_key sm4_v8_set_decrypt_key
  31 #    define HWSM4_encrypt sm4_v8_encrypt
  32 #    define HWSM4_decrypt sm4_v8_decrypt
  33 #    define HWSM4_cbc_encrypt sm4_v8_cbc_encrypt
  34 #    define HWSM4_ecb_encrypt sm4_v8_ecb_encrypt
  35 #    define HWSM4_ctr32_encrypt_blocks sm4_v8_ctr32_encrypt_blocks
  36 #   endif
  37 #  endif
  38 # endif /* OPENSSL_CPUID_OBJ */
  39
  40 # if defined(HWSM4_CAPABLE)
  41 int HWSM4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
  42 int HWSM4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
  43 void HWSM4_encrypt(const unsigned char *in, unsigned char *out,
  44                    const SM4_KEY *key);
  45 void HWSM4_decrypt(const unsigned char *in, unsigned char *out,
  46                    const SM4_KEY *key);
  47 void HWSM4_cbc_encrypt(const unsigned char *in, unsigned char *out,
  48                        size_t length, const SM4_KEY *key,
  49                        unsigned char *ivec, const int enc);
  50 void HWSM4_ecb_encrypt(const unsigned char *in, unsigned char *out,
  51                        size_t length, const SM4_KEY *key,
  52                        const int enc);
  53 void HWSM4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
  54                                 size_t len, const void *key,
  55                                 const unsigned char ivec[16]);
  56 # endif /* HWSM4_CAPABLE */
  57
  58 #ifdef VPSM4_CAPABLE
  59 int vpsm4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
  60 int vpsm4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
  61 void vpsm4_encrypt(const unsigned char *in, unsigned char *out,
  62                    const SM4_KEY *key);
  63 void vpsm4_decrypt(const unsigned char *in, unsigned char *out,
  64                    const SM4_KEY *key);
  65 void vpsm4_cbc_encrypt(const unsigned char *in, unsigned char *out,
  66                        size_t length, const SM4_KEY *key,
  67                        unsigned char *ivec, const int enc);
  68 void vpsm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
  69                        size_t length, const SM4_KEY *key,
  70                        const int enc);
  71 void vpsm4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
  72                                 size_t len, const void *key,
  73                                 const unsigned char ivec[16]);
  74 # endif /* VPSM4_CAPABLE */
  75
  76
  77 #endif /* OSSL_SM4_PLATFORM_H */