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/*
 * Copyright 2019-2023 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_AES_PLATFORM_H
# define OSSL_AES_PLATFORM_H
# pragma once

# include <openssl/aes.h>

# ifdef VPAES_ASM
int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
                          AES_KEY *key);
int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
                          AES_KEY *key);
void vpaes_encrypt(const unsigned char *in, unsigned char *out,
                   const AES_KEY *key);
void vpaes_decrypt(const unsigned char *in, unsigned char *out,
                   const AES_KEY *key);
void vpaes_cbc_encrypt(const unsigned char *in,
                       unsigned char *out,
                       size_t length,
                       const AES_KEY *key, unsigned char *ivec, int enc);
# endif /* VPAES_ASM */

# ifdef BSAES_ASM
void ossl_bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
                            size_t length, const AES_KEY *key,
                            unsigned char ivec[16], int enc);
void ossl_bsaes_ctr32_encrypt_blocks(const unsigned char *in,
                                     unsigned char *out, size_t len,
                                     const AES_KEY *key,
                                     const unsigned char ivec[16]);
void ossl_bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
                            size_t len, const AES_KEY *key1,
                            const AES_KEY *key2, const unsigned char iv[16]);
void ossl_bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
                            size_t len, const AES_KEY *key1,
                            const AES_KEY *key2, const unsigned char iv[16]);
# endif /* BSAES_ASM */

# ifdef AES_CTR_ASM
void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
                       size_t blocks, const AES_KEY *key,
                       const unsigned char ivec[AES_BLOCK_SIZE]);
# endif /*  AES_CTR_ASM */

# ifdef AES_XTS_ASM
void AES_xts_encrypt(const unsigned char *inp, unsigned char *out, size_t len,
                     const AES_KEY *key1, const AES_KEY *key2,
                     const unsigned char iv[16]);
void AES_xts_decrypt(const unsigned char *inp, unsigned char *out, size_t len,
                     const AES_KEY *key1, const AES_KEY *key2,
                     const unsigned char iv[16]);
# endif /* AES_XTS_ASM */

# if defined(OPENSSL_CPUID_OBJ)
#  if (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
#   include "crypto/ppc_arch.h"
#   ifdef VPAES_ASM
#    define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
#   endif
#   define HWAES_CAPABLE  (OPENSSL_ppccap_P & PPC_CRYPTO207)
#   define HWAES_set_encrypt_key aes_p8_set_encrypt_key
#   define HWAES_set_decrypt_key aes_p8_set_decrypt_key
#   define HWAES_encrypt aes_p8_encrypt
#   define HWAES_decrypt aes_p8_decrypt
#   define HWAES_cbc_encrypt aes_p8_cbc_encrypt
#   define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
#   define HWAES_xts_encrypt aes_p8_xts_encrypt
#   define HWAES_xts_decrypt aes_p8_xts_decrypt
#   if !defined(OPENSSL_SYS_AIX) && !defined(OPENSSL_SYS_MACOSX)
#    define PPC_AES_GCM_CAPABLE (OPENSSL_ppccap_P & PPC_MADD300)
#    define AES_GCM_ENC_BYTES 128
#    define AES_GCM_DEC_BYTES 128
size_t ppc_aes_gcm_encrypt(const unsigned char *in, unsigned char *out,
                           size_t len, const void *key, unsigned char ivec[16],
                           u64 *Xi);
size_t ppc_aes_gcm_decrypt(const unsigned char *in, unsigned char *out,
                           size_t len, const void *key, unsigned char ivec[16],
                           u64 *Xi);
#    define AES_GCM_ASM_PPC(gctx) ((gctx)->ctr==aes_p8_ctr32_encrypt_blocks && \
                                   (gctx)->gcm.funcs.ghash==gcm_ghash_p8)
void gcm_ghash_p8(u64 Xi[2],const u128 Htable[16],const u8 *inp, size_t len);
#   endif /* OPENSSL_SYS_AIX || OPENSSL_SYS_MACOSX */
#  endif /* PPC */

#  if (defined(__arm__) || defined(__arm) || defined(__aarch64__) || defined(_M_ARM64)) 
#   include "arm_arch.h"
#   if __ARM_MAX_ARCH__>=7
#    if defined(BSAES_ASM)
#     define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
#    endif
#    if defined(VPAES_ASM)
#     define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
#    endif
#    define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
#    define HWAES_set_encrypt_key aes_v8_set_encrypt_key
#    define HWAES_set_decrypt_key aes_v8_set_decrypt_key
#    define HWAES_encrypt aes_v8_encrypt
#    define HWAES_decrypt aes_v8_decrypt
#    define HWAES_cbc_encrypt aes_v8_cbc_encrypt
#    define HWAES_ecb_encrypt aes_v8_ecb_encrypt
#    if __ARM_MAX_ARCH__>=8 && (defined(__aarch64__) || defined(_M_ARM64))
#     define HWAES_xts_encrypt aes_v8_xts_encrypt
#     define HWAES_xts_decrypt aes_v8_xts_decrypt
#    endif
#    define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
#    define AES_PMULL_CAPABLE ((OPENSSL_armcap_P & ARMV8_PMULL) && (OPENSSL_armcap_P & ARMV8_AES))
#    define AES_GCM_ENC_BYTES 512
#    define AES_GCM_DEC_BYTES 512
#    if __ARM_MAX_ARCH__>=8 && (defined(__aarch64__) || defined(_M_ARM64))
#     define AES_gcm_encrypt armv8_aes_gcm_encrypt
#     define AES_gcm_decrypt armv8_aes_gcm_decrypt
#     define AES_GCM_ASM(gctx) ((gctx)->ctr==aes_v8_ctr32_encrypt_blocks && \
                                (gctx)->gcm.funcs.ghash==gcm_ghash_v8)
/* The [unroll8_eor3_]aes_gcm_(enc|dec)_(128|192|256)_kernel() functions
 * take input length in BITS and return number of BYTES processed */
size_t aes_gcm_enc_128_kernel(const uint8_t *plaintext, uint64_t plaintext_length, uint8_t *ciphertext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t aes_gcm_enc_192_kernel(const uint8_t *plaintext, uint64_t plaintext_length, uint8_t *ciphertext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t aes_gcm_enc_256_kernel(const uint8_t *plaintext, uint64_t plaintext_length, uint8_t *ciphertext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t aes_gcm_dec_128_kernel(const uint8_t *ciphertext, uint64_t plaintext_length, uint8_t *plaintext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t aes_gcm_dec_192_kernel(const uint8_t *ciphertext, uint64_t plaintext_length, uint8_t *plaintext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t aes_gcm_dec_256_kernel(const uint8_t *ciphertext, uint64_t plaintext_length, uint8_t *plaintext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t unroll8_eor3_aes_gcm_enc_128_kernel(const uint8_t *plaintext, uint64_t plaintext_length, uint8_t *ciphertext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t unroll8_eor3_aes_gcm_enc_192_kernel(const uint8_t *plaintext, uint64_t plaintext_length, uint8_t *ciphertext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t unroll8_eor3_aes_gcm_enc_256_kernel(const uint8_t *plaintext, uint64_t plaintext_length, uint8_t *ciphertext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t unroll8_eor3_aes_gcm_dec_128_kernel(const uint8_t *ciphertext, uint64_t plaintext_length, uint8_t *plaintext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t unroll8_eor3_aes_gcm_dec_192_kernel(const uint8_t *ciphertext, uint64_t plaintext_length, uint8_t *plaintext,
                              uint64_t *Xi, unsigned char ivec[16], const void *key);
size_t unroll8_eor3_aes_gcm_dec_256_kernel(const uint8_t *ciphertext, uint64_t plaintext_length, uint8_t *plaintext,
                              uint64_t *Xi, unsigned char ivec[16], const