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aes_platform: add riscv32 zkn asm support

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18308)
This commit is contained in:
Hongren (Zenithal) Zheng 2022-05-13 23:44:31 +08:00 committed by Pauli
parent b733ce73a4
commit cbb15b31b9
1 changed files with 19 additions and 0 deletions
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19
include/crypto/aes_platform.h
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@ -441,6 +441,25 @@ void rv64i_zkne_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
void rv64i_zknd_decrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
# elif defined(OPENSSL_CPUID_OBJ) && defined(__riscv) && __riscv_xlen == 32
/* RISC-V 32 support */
# include "riscv_arch.h"
# define RV32I_ZKND_ZKNE_CAPABLE (RISCV_HAS_ZKND() && RISCV_HAS_ZKNE())
# define RV32I_ZBKB_ZKND_ZKNE_CAPABLE (RV32I_ZKND_ZKNE_CAPABLE && RISCV_HAS_ZBKB())
int rv32i_zkne_set_encrypt_key(const unsigned char *userKey, const int bits,
AES_KEY *key);
/* set_decrypt_key needs both zknd and zkne */
int rv32i_zknd_zkne_set_decrypt_key(const unsigned char *userKey, const int bits,
AES_KEY *key);
int rv32i_zbkb_zkne_set_encrypt_key(const unsigned char *userKey, const int bits,
AES_KEY *key);
int rv32i_zbkb_zknd_zkne_set_decrypt_key(const unsigned char *userKey, const int bits,
AES_KEY *key);
void rv32i_zkne_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
void rv32i_zknd_decrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
# endif
# if defined(HWAES_CAPABLE)