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/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#ifndef OPENSSL_HEADER_AES_INTERNAL_H
#define OPENSSL_HEADER_AES_INTERNAL_H
#include <stdlib.h>
#include <GFp/cpu.h>
#if defined(OPENSSL_NO_ASM) || \
(!defined(OPENSSL_X86) && !defined(OPENSSL_X86_64) && !defined(OPENSSL_ARM))
#define GFp_C_AES
void GFp_aes_c_set_encrypt_key(const uint8_t *key, unsigned bits,
AES_KEY *aeskey);
void GFp_aes_c_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
#endif
#if !defined(OPENSSL_NO_ASM)
#if defined(OPENSSL_X86_64)
#define HWAES
static inline int hwaes_capable(void) {
return (GFp_ia32cap_P[1] & (1 << (57 - 32))) != 0;
}
#elif defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)
#define HWAES
static inline int hwaes_capable(void) {
return GFp_is_ARMv8_AES_capable();
}
#elif defined(OPENSSL_PPC64LE)
#define HWAES
static inline int hwaes_capable(void) {
return GFp_is_PPC64LE_vcrypto_capable();
}
#endif
#endif // !NO_ASM
#if defined(HWAES)
int aes_hw_set_encrypt_key(const uint8_t *user_key, const int bits,
AES_KEY *key);
int aes_hw_set_decrypt_key(const uint8_t *user_key, const int bits,
AES_KEY *key);
void aes_hw_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
void aes_hw_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
void aes_hw_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t length,
const AES_KEY *key, uint8_t *ivec, const int enc);
void aes_hw_ctr32_encrypt_blocks(const uint8_t *in, uint8_t *out, size_t len,
const AES_KEY *key, const uint8_t ivec[16]);
#endif /* HWAES */
#endif // OPENSSL_HEADER_AES_INTERNAL_H