| 1 | /*
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| 2 | * Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef OSSL_SM4_PLATFORM_H
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| 11 | # define OSSL_SM4_PLATFORM_H
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| 12 | # pragma once
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| 13 |
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| 14 | # if defined(OPENSSL_CPUID_OBJ)
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| 15 | # if defined(__aarch64__)
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| 16 | # include "arm_arch.h"
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| 17 | extern unsigned int OPENSSL_arm_midr;
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| 18 | static inline int vpsm4_capable(void)
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| 19 | {
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| 20 | return (OPENSSL_armcap_P & ARMV8_CPUID) &&
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| 21 | (MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_V1) ||
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| 22 | MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_N1));
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| 23 | }
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| 24 | # if defined(VPSM4_ASM)
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| 25 | # define VPSM4_CAPABLE vpsm4_capable()
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| 26 | # endif
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| 27 | # define HWSM4_CAPABLE (OPENSSL_armcap_P & ARMV8_SM4)
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| 28 | # define HWSM4_set_encrypt_key sm4_v8_set_encrypt_key
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| 29 | # define HWSM4_set_decrypt_key sm4_v8_set_decrypt_key
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| 30 | # define HWSM4_encrypt sm4_v8_encrypt
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| 31 | # define HWSM4_decrypt sm4_v8_decrypt
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| 32 | # define HWSM4_cbc_encrypt sm4_v8_cbc_encrypt
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| 33 | # define HWSM4_ecb_encrypt sm4_v8_ecb_encrypt
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| 34 | # define HWSM4_ctr32_encrypt_blocks sm4_v8_ctr32_encrypt_blocks
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| 35 | # endif
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| 36 | # endif /* OPENSSL_CPUID_OBJ */
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| 37 |
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| 38 | # if defined(HWSM4_CAPABLE)
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| 39 | int HWSM4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
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| 40 | int HWSM4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
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| 41 | void HWSM4_encrypt(const unsigned char *in, unsigned char *out,
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| 42 | const SM4_KEY *key);
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| 43 | void HWSM4_decrypt(const unsigned char *in, unsigned char *out,
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| 44 | const SM4_KEY *key);
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| 45 | void HWSM4_cbc_encrypt(const unsigned char *in, unsigned char *out,
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| 46 | size_t length, const SM4_KEY *key,
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| 47 | unsigned char *ivec, const int enc);
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| 48 | void HWSM4_ecb_encrypt(const unsigned char *in, unsigned char *out,
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| 49 | size_t length, const SM4_KEY *key,
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| 50 | const int enc);
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| 51 | void HWSM4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
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| 52 | size_t len, const void *key,
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| 53 | const unsigned char ivec[16]);
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| 54 | # endif /* HWSM4_CAPABLE */
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| 55 |
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| 56 | #ifdef VPSM4_CAPABLE
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| 57 | int vpsm4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
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| 58 | int vpsm4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
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| 59 | void vpsm4_encrypt(const unsigned char *in, unsigned char *out,
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| 60 | const SM4_KEY *key);
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| 61 | void vpsm4_decrypt(const unsigned char *in, unsigned char *out,
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| 62 | const SM4_KEY *key);
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| 63 | void vpsm4_cbc_encrypt(const unsigned char *in, unsigned char *out,
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| 64 | size_t length, const SM4_KEY *key,
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| 65 | unsigned char *ivec, const int enc);
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| 66 | void vpsm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
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| 67 | size_t length, const SM4_KEY *key,
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| 68 | const int enc);
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| 69 | void vpsm4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
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| 70 | size_t len, const void *key,
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| 71 | const unsigned char ivec[16]);
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| 72 | # endif /* VPSM4_CAPABLE */
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| 73 |
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| 74 |
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| 75 | #endif /* OSSL_SM4_PLATFORM_H */
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