2009-01-03 22:22:43 +01:00
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/**
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* \file padlock.h
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2009-01-04 17:27:10 +01:00
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*
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2014-05-01 14:18:25 +02:00
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* \brief VIA PadLock ACE for HW encryption/decryption supported by some
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* processors
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2018-12-13 11:15:26 +01:00
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*
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2018-12-18 09:57:18 +01:00
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* \warning These functions are only for internal use by other library
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* functions; you must not call them directly.
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2018-01-05 16:33:17 +01:00
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*/
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/*
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2020-08-07 13:07:28 +02:00
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* Copyright The Mbed TLS Contributors
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2015-09-04 14:21:07 +02:00
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* SPDX-License-Identifier: Apache-2.0
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2010-07-18 22:36:00 +02:00
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*
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2015-09-04 14:21:07 +02:00
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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2010-07-18 22:36:00 +02:00
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*
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2015-09-04 14:21:07 +02:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2009-01-04 17:27:10 +01:00
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*
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2015-09-04 14:21:07 +02:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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2009-01-03 22:22:43 +01:00
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*/
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2015-04-08 12:49:31 +02:00
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#ifndef MBEDTLS_PADLOCK_H
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#define MBEDTLS_PADLOCK_H
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2009-01-03 22:22:43 +01:00
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2021-05-27 11:25:03 +02:00
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#include "mbedtls/build_info.h"
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2018-02-14 15:02:41 +01:00
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2019-07-04 21:01:14 +02:00
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#include "mbedtls/aes.h"
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2009-01-03 22:22:43 +01:00
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2015-04-08 12:49:31 +02:00
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#define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED -0x0030 /**< Input data should be aligned. */
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2011-05-23 12:19:31 +02:00
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2015-08-04 22:19:05 +02:00
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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#define MBEDTLS_HAVE_ASAN
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#endif
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#endif
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/* Some versions of ASan result in errors about not enough registers */
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#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \
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2015-08-04 22:49:07 +02:00
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!defined(MBEDTLS_HAVE_ASAN)
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2023-04-19 05:07:40 +02:00
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2015-04-08 12:49:31 +02:00
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#ifndef MBEDTLS_HAVE_X86
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#define MBEDTLS_HAVE_X86
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2009-01-03 22:22:43 +01:00
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#endif
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2015-04-15 11:53:16 +02:00
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#include <stdint.h>
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2012-10-01 16:41:15 +02:00
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2015-04-08 12:49:31 +02:00
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#define MBEDTLS_PADLOCK_RNG 0x000C
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#define MBEDTLS_PADLOCK_ACE 0x00C0
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#define MBEDTLS_PADLOCK_PHE 0x0C00
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#define MBEDTLS_PADLOCK_PMM 0x3000
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2009-01-03 22:22:43 +01:00
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2018-10-15 13:01:35 +02:00
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#define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) (x) & ~15))
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2009-01-03 22:22:43 +01:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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2018-12-13 11:15:26 +01:00
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* \brief Internal PadLock detection routine
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*
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* \note This function is only for internal use by other library
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* functions; you must not call it directly.
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2009-01-03 22:22:43 +01:00
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*
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2013-12-30 17:57:27 +01:00
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* \param feature The feature to detect
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2009-07-28 09:18:38 +02:00
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*
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2021-05-18 19:59:37 +02:00
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* \return non-zero if CPU has support for the feature, 0 otherwise
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2009-01-03 22:22:43 +01:00
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*/
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2023-04-19 04:44:29 +02:00
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#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
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2023-01-11 14:50:10 +01:00
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int mbedtls_padlock_has_support(int feature);
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2023-03-31 08:32:47 +02:00
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#else
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#define /* no-check-names */ mbedtls_padlock_has_support(feature) 1
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#endif
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2009-01-03 22:22:43 +01:00
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/**
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2018-12-13 11:15:26 +01:00
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* \brief Internal PadLock AES-ECB block en(de)cryption
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*
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* \note This function is only for internal use by other library
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* functions; you must not call it directly.
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2009-01-03 22:22:43 +01:00
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*
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* \param ctx AES context
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2015-04-08 12:49:31 +02:00
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* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
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2009-01-03 22:22:43 +01:00
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* \param input 16-byte input block
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* \param output 16-byte output block
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*
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* \return 0 if success, 1 if operation failed
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*/
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2023-01-11 14:50:10 +01:00
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int mbedtls_padlock_xcryptecb(mbedtls_aes_context *ctx,
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int mode,
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const unsigned char input[16],
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unsigned char output[16]);
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2009-01-03 22:22:43 +01:00
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/**
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2018-12-13 11:15:26 +01:00
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* \brief Internal PadLock AES-CBC buffer en(de)cryption
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*
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* \note This function is only for internal use by other library
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* functions; you must not call it directly.
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2009-01-03 22:22:43 +01:00
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*
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* \param ctx AES context
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2015-04-08 12:49:31 +02:00
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* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
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2009-01-03 22:22:43 +01:00
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* \param length length of the input data
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* \param iv initialization vector (updated after use)
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* \param input buffer holding the input data
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* \param output buffer holding the output data
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*
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* \return 0 if success, 1 if operation failed
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*/
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2023-01-11 14:50:10 +01:00
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int mbedtls_padlock_xcryptcbc(mbedtls_aes_context *ctx,
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int mode,
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size_t length,
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unsigned char iv[16],
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const unsigned char *input,
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unsigned char *output);
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2009-01-03 22:22:43 +01:00
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAVE_X86 */
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#endif /* padlock.h */
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