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7543bb3a69
The upcoming RISC-V vector crypto extensions feature a Zvksed extension, that provides SM4-specific instructions. This patch provides an implementation that utilizes this extension if available. Tested on QEMU and no regressions observed. Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Hugo Landau <hlandau@openssl.org> (Merged from https://github.com/openssl/openssl/pull/21923)
124 lines
5.9 KiB
C
124 lines
5.9 KiB
C
/*
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* Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_SM4_PLATFORM_H
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# define OSSL_SM4_PLATFORM_H
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# pragma once
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# if defined(OPENSSL_CPUID_OBJ)
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# if defined(__aarch64__) || defined (_M_ARM64)
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# include "arm_arch.h"
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extern unsigned int OPENSSL_arm_midr;
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static inline int vpsm4_capable(void)
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{
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return (OPENSSL_armcap_P & ARMV8_CPUID) &&
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(MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_V1) ||
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MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_N1));
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}
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static inline int vpsm4_ex_capable(void)
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{
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return (OPENSSL_armcap_P & ARMV8_CPUID) &&
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(MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, HISI_CPU_IMP, HISI_CPU_PART_KP920));
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}
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# if defined(VPSM4_ASM)
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# define VPSM4_CAPABLE vpsm4_capable()
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# define VPSM4_EX_CAPABLE vpsm4_ex_capable()
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# endif
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# define HWSM4_CAPABLE (OPENSSL_armcap_P & ARMV8_SM4)
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# define HWSM4_set_encrypt_key sm4_v8_set_encrypt_key
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# define HWSM4_set_decrypt_key sm4_v8_set_decrypt_key
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# define HWSM4_encrypt sm4_v8_encrypt
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# define HWSM4_decrypt sm4_v8_decrypt
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# define HWSM4_cbc_encrypt sm4_v8_cbc_encrypt
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# define HWSM4_ecb_encrypt sm4_v8_ecb_encrypt
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# define HWSM4_ctr32_encrypt_blocks sm4_v8_ctr32_encrypt_blocks
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# elif defined(__riscv) && __riscv_xlen == 64
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/* RV64 support */
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# include "riscv_arch.h"
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/* Zvksed extension (vector crypto SM4). */
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int rv64i_zvksed_sm4_set_encrypt_key(const unsigned char *userKey,
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SM4_KEY *key);
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int rv64i_zvksed_sm4_set_decrypt_key(const unsigned char *userKey,
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SM4_KEY *key);
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void rv64i_zvksed_sm4_encrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void rv64i_zvksed_sm4_decrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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# endif /* RV64 */
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# endif /* OPENSSL_CPUID_OBJ */
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# if defined(HWSM4_CAPABLE)
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int HWSM4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
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int HWSM4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
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void HWSM4_encrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void HWSM4_decrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void HWSM4_cbc_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const SM4_KEY *key,
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unsigned char *ivec, const int enc);
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void HWSM4_ecb_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const SM4_KEY *key,
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const int enc);
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void HWSM4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
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size_t len, const void *key,
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const unsigned char ivec[16]);
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# endif /* HWSM4_CAPABLE */
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# ifdef VPSM4_CAPABLE
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int vpsm4_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
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int vpsm4_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
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void vpsm4_encrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void vpsm4_decrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void vpsm4_cbc_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const SM4_KEY *key,
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unsigned char *ivec, const int enc);
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void vpsm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const SM4_KEY *key,
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const int enc);
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void vpsm4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
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size_t len, const void *key,
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const unsigned char ivec[16]);
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void vpsm4_xts_encrypt(const unsigned char *in, unsigned char *out,
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size_t len, const SM4_KEY *key1, const SM4_KEY *key2,
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const unsigned char ivec[16], const int enc);
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void vpsm4_xts_encrypt_gb(const unsigned char *in, unsigned char *out,
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size_t len, const SM4_KEY *key1, const SM4_KEY *key2,
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const unsigned char ivec[16], const int enc);
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# endif /* VPSM4_CAPABLE */
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# ifdef VPSM4_EX_CAPABLE
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int vpsm4_ex_set_encrypt_key(const unsigned char *userKey, SM4_KEY *key);
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int vpsm4_ex_set_decrypt_key(const unsigned char *userKey, SM4_KEY *key);
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void vpsm4_ex_encrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void vpsm4_ex_decrypt(const unsigned char *in, unsigned char *out,
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const SM4_KEY *key);
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void vpsm4_ex_cbc_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const SM4_KEY *key,
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unsigned char *ivec, const int enc);
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void vpsm4_ex_ecb_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const SM4_KEY *key,
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const int enc);
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void vpsm4_ex_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
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size_t len, const void *key,
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const unsigned char ivec[16]);
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void vpsm4_ex_xts_encrypt(const unsigned char *in, unsigned char *out,
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size_t len, const SM4_KEY *key1, const SM4_KEY *key2,
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const unsigned char ivec[16], const int enc);
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void vpsm4_ex_xts_encrypt_gb(const unsigned char *in, unsigned char *out,
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size_t len, const SM4_KEY *key1,
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const SM4_KEY *key2, const unsigned char ivec[16],
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const int enc);
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# endif /* VPSM4_EX_CAPABLE */
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#endif /* OSSL_SM4_PLATFORM_H */
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