73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MBEDTLS_AES_ALT_H
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#define MBEDTLS_AES_ALT_H
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#if defined(MBEDTLS_CONFIG_FILE)
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#if defined(MBEDTLS_AES_ALT)
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/* padlock.c and aesni.c rely on these values! */
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#define MBEDTLS_AES_ENCRYPT 1 /**< AES encryption. */
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#define MBEDTLS_AES_DECRYPT 0 /**< AES decryption. */
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/* Error codes in range 0x0020-0x0022 */
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#define MBEDTLS_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
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#define MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
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/* Error codes in range 0x0023-0x0025 */
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#define MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE -0x0023 /**< Feature not available. For example, an unsupported AES key size. */
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#define MBEDTLS_ERR_AES_HW_ACCEL_FAILED -0x0025 /**< AES hardware accelerator failed. */
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/* The Size of the AES context.*/
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#define MBEDTLS_AES_CONTEXT_SIZE_IN_WORDS (29)
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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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* \brief AES context structure
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*
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*/
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typedef struct
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{
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uint32_t buf[MBEDTLS_AES_CONTEXT_SIZE_IN_WORDS];
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} mbedtls_aes_context;
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#if defined(MBEDTLS_CIPHER_MODE_XTS)
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/**
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* \brief The AES XTS context-type definition.
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*/
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typedef struct mbedtls_aes_xts_context
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{
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mbedtls_aes_context crypt; /*!< The AES context to use for AES block
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encryption or decryption. */
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mbedtls_aes_context tweak; /*!< The AES context used for tweak
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computation. */
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} mbedtls_aes_xts_context;
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#endif /* MBEDTLS_CIPHER_MODE_XTS */
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#ifdef __cplusplus
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}
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#endif
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#endif /* MBEDTLS_AES_ALT */
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#endif /* MBEDTLS_AES_ALT_H */
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