diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/include/mbedtls/padlock.h')
| -rw-r--r-- | lib/mbedtls-2.27.0/include/mbedtls/padlock.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/include/mbedtls/padlock.h b/lib/mbedtls-2.27.0/include/mbedtls/padlock.h new file mode 100644 index 0000000..4f4e400 --- /dev/null +++ b/lib/mbedtls-2.27.0/include/mbedtls/padlock.h @@ -0,0 +1,124 @@ +/** + * \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 non-zero 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 */ |