mbed TLS Build
Dependents: Encypting_Funcional
padlock.h
00001 /** 00002 * \file padlock.h 00003 * 00004 * \brief VIA PadLock ACE for HW encryption/decryption supported by some 00005 * processors 00006 * 00007 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 00008 * SPDX-License-Identifier: Apache-2.0 00009 * 00010 * Licensed under the Apache License, Version 2.0 (the "License"); you may 00011 * not use this file except in compliance with the License. 00012 * You may obtain a copy of the License at 00013 * 00014 * http://www.apache.org/licenses/LICENSE-2.0 00015 * 00016 * Unless required by applicable law or agreed to in writing, software 00017 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 00018 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00019 * See the License for the specific language governing permissions and 00020 * limitations under the License. 00021 * 00022 * This file is part of mbed TLS (https://tls.mbed.org) 00023 */ 00024 #ifndef MBEDTLS_PADLOCK_H 00025 #define MBEDTLS_PADLOCK_H 00026 00027 #include "aes.h" 00028 00029 #define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED -0x0030 /**< Input data should be aligned. */ 00030 00031 #if defined(__has_feature) 00032 #if __has_feature(address_sanitizer) 00033 #define MBEDTLS_HAVE_ASAN 00034 #endif 00035 #endif 00036 00037 /* Some versions of ASan result in errors about not enough registers */ 00038 #if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \ 00039 !defined(MBEDTLS_HAVE_ASAN) 00040 00041 #ifndef MBEDTLS_HAVE_X86 00042 #define MBEDTLS_HAVE_X86 00043 #endif 00044 00045 #include <stdint.h> 00046 00047 #define MBEDTLS_PADLOCK_RNG 0x000C 00048 #define MBEDTLS_PADLOCK_ACE 0x00C0 00049 #define MBEDTLS_PADLOCK_PHE 0x0C00 00050 #define MBEDTLS_PADLOCK_PMM 0x3000 00051 00052 #define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) x & ~15)) 00053 00054 #ifdef __cplusplus 00055 extern "C" { 00056 #endif 00057 00058 /** 00059 * \brief PadLock detection routine 00060 * 00061 * \param feature The feature to detect 00062 * 00063 * \return 1 if CPU has support for the feature, 0 otherwise 00064 */ 00065 int mbedtls_padlock_has_support( int feature ); 00066 00067 /** 00068 * \brief PadLock AES-ECB block en(de)cryption 00069 * 00070 * \param ctx AES context 00071 * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT 00072 * \param input 16-byte input block 00073 * \param output 16-byte output block 00074 * 00075 * \return 0 if success, 1 if operation failed 00076 */ 00077 int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx, 00078 int mode, 00079 const unsigned char input[16], 00080 unsigned char output[16] ); 00081 00082 /** 00083 * \brief PadLock AES-CBC buffer en(de)cryption 00084 * 00085 * \param ctx AES context 00086 * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT 00087 * \param length length of the input data 00088 * \param iv initialization vector (updated after use) 00089 * \param input buffer holding the input data 00090 * \param output buffer holding the output data 00091 * 00092 * \return 0 if success, 1 if operation failed 00093 */ 00094 int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx, 00095 int mode, 00096 size_t length, 00097 unsigned char iv[16], 00098 const unsigned char *input, 00099 unsigned char *output ); 00100 00101 #ifdef __cplusplus 00102 } 00103 #endif 00104 00105 #endif /* HAVE_X86 */ 00106 00107 #endif /* padlock.h */
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