| /** |
| * \file padlock.h |
| * |
| * \brief VIA PadLock ACE for HW encryption/decryption supported by some |
| * processors |
| * |
| * \warning These functions are only for internal use by other library |
| * functions; you must not call them directly. |
| */ |
| /* |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef MBEDTLS_PADLOCK_H |
| #define MBEDTLS_PADLOCK_H |
| |
| #if !defined(MBEDTLS_CONFIG_FILE) |
| #include "mbedtls/config.h" |
| #else |
| #include MBEDTLS_CONFIG_FILE |
| #endif |
| |
| #include "mbedtls/aes.h" |
| |
| #define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED -0x0030 /**< Input data should be aligned. */ |
| |
| #if defined(__has_feature) |
| #if __has_feature(address_sanitizer) |
| #define MBEDTLS_HAVE_ASAN |
| #endif |
| #endif |
| |
| /* Some versions of ASan result in errors about not enough registers */ |
| #if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \ |
| !defined(MBEDTLS_HAVE_ASAN) |
| |
| #ifndef MBEDTLS_HAVE_X86 |
| #define MBEDTLS_HAVE_X86 |
| #endif |
| |
| #include <stdint.h> |
| |
| #define MBEDTLS_PADLOCK_RNG 0x000C |
| #define MBEDTLS_PADLOCK_ACE 0x00C0 |
| #define MBEDTLS_PADLOCK_PHE 0x0C00 |
| #define MBEDTLS_PADLOCK_PMM 0x3000 |
| |
| #define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) (x) & ~15)) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * \brief Internal PadLock detection routine |
| * |
| * \note This function is only for internal use by other library |
| * functions; you must not call it directly. |
| * |
| * \param feature The feature to detect |
| * |
| * \return 1 if CPU has support for the feature, 0 otherwise |
| */ |
| int mbedtls_padlock_has_support( int feature ); |
| |
| /** |
| * \brief Internal PadLock AES-ECB block en(de)cryption |
| * |
| * \note This function is only for internal use by other library |
| * functions; you must not call it directly. |
| * |
| * \param ctx AES context |
| * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT |
| * \param input 16-byte input block |
| * \param output 16-byte output block |
| * |
| * \return 0 if success, 1 if operation failed |
| */ |
| int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx, |
| int mode, |
| const unsigned char input[16], |
| unsigned char output[16] ); |
| |
| /** |
| * \brief Internal PadLock AES-CBC buffer en(de)cryption |
| * |
| * \note This function is only for internal use by other library |
| * functions; you must not call it directly. |
| * |
| * \param ctx AES context |
| * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT |
| * \param length length of the input data |
| * \param iv initialization vector (updated after use) |
| * \param input buffer holding the input data |
| * \param output buffer holding the output data |
| * |
| * \return 0 if success, 1 if operation failed |
| */ |
| int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx, |
| int mode, |
| size_t length, |
| unsigned char iv[16], |
| const unsigned char *input, |
| unsigned char *output ); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* HAVE_X86 */ |
| |
| #endif /* padlock.h */ |