*
* \brief AES block cipher
*
- * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
*
- * This file is part of mbed TLS (https://polarssl.org)
+ * 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
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 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.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * This file is part of mbed TLS (https://tls.mbed.org)
*/
-#ifndef POLARSSL_AES_H
-#define POLARSSL_AES_H
+#ifndef MBEDTLS_AES_H
+#define MBEDTLS_AES_H
-#if !defined(POLARSSL_CONFIG_FILE)
+#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
-#include POLARSSL_CONFIG_FILE
+#include MBEDTLS_CONFIG_FILE
#endif
-#include <string.h>
-
-#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
-#include <basetsd.h>
-typedef UINT32 uint32_t;
-#else
-#include <inttypes.h>
-#endif
+#include <stddef.h>
+#include <stdint.h>
/* padlock.c and aesni.c rely on these values! */
-#define AES_ENCRYPT 1
-#define AES_DECRYPT 0
+#define MBEDTLS_AES_ENCRYPT 1
+#define MBEDTLS_AES_DECRYPT 0
-#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
-#define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
+#define MBEDTLS_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
+#define MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
-#if !defined(POLARSSL_AES_ALT)
+#if !defined(MBEDTLS_AES_ALT)
// Regular implementation
//
uint32_t *rk; /*!< AES round keys */
uint32_t buf[68]; /*!< unaligned data */
}
-aes_context;
+mbedtls_aes_context;
/**
* \brief Initialize AES context
*
* \param ctx AES context to be initialized
*/
-void aes_init( aes_context *ctx );
+void mbedtls_aes_init( mbedtls_aes_context *ctx );
/**
* \brief Clear AES context
*
* \param ctx AES context to be cleared
*/
-void aes_free( aes_context *ctx );
+void mbedtls_aes_free( mbedtls_aes_context *ctx );
/**
* \brief AES key schedule (encryption)
*
* \param ctx AES context to be initialized
* \param key encryption key
- * \param keysize must be 128, 192 or 256
+ * \param keybits must be 128, 192 or 256
*
- * \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
+ * \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
-int aes_setkey_enc( aes_context *ctx, const unsigned char *key,
- unsigned int keysize );
+int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
+ unsigned int keybits );
/**
* \brief AES key schedule (decryption)
*
* \param ctx AES context to be initialized
* \param key decryption key
- * \param keysize must be 128, 192 or 256
+ * \param keybits must be 128, 192 or 256
*
- * \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
+ * \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
-int aes_setkey_dec( aes_context *ctx, const unsigned char *key,
- unsigned int keysize );
+int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
+ unsigned int keybits );
/**
* \brief AES-ECB block encryption/decryption
*
* \param ctx AES context
- * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
-int aes_crypt_ecb( aes_context *ctx,
+int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
-#if defined(POLARSSL_CIPHER_MODE_CBC)
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief AES-CBC buffer encryption/decryption
* Length should be a multiple of the block
* module instead.
*
* \param ctx AES context
- * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \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 successful, or POLARSSL_ERR_AES_INVALID_INPUT_LENGTH
+ * \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH
*/
-int aes_crypt_cbc( aes_context *ctx,
+int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
-#endif /* POLARSSL_CIPHER_MODE_CBC */
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
-#if defined(POLARSSL_CIPHER_MODE_CFB)
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
- * aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
+ * mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* module instead.
*
* \param ctx AES context
- * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
*
* \return 0 if successful
*/
-int aes_crypt_cfb128( aes_context *ctx,
+int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
int mode,
size_t length,
size_t *iv_off,
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
- * aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
+ * mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* module instead.
*
* \param ctx AES context
- * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \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
*
* \return 0 if successful
*/
-int aes_crypt_cfb8( aes_context *ctx,
+int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
-#endif /*POLARSSL_CIPHER_MODE_CFB */
+#endif /*MBEDTLS_CIPHER_MODE_CFB */
-#if defined(POLARSSL_CIPHER_MODE_CTR)
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
/**
* \brief AES-CTR buffer encryption/decryption
*
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
- * aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
+ * mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \param ctx AES context
* \param length The length of the data
*
* \return 0 if successful
*/
-int aes_crypt_ctr( aes_context *ctx,
+int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
-#endif /* POLARSSL_CIPHER_MODE_CTR */
+#endif /* MBEDTLS_CIPHER_MODE_CTR */
+
+/**
+ * \brief Internal AES block encryption function
+ * (Only exposed to allow overriding it,
+ * see MBEDTLS_AES_ENCRYPT_ALT)
+ *
+ * \param ctx AES context
+ * \param input Plaintext block
+ * \param output Output (ciphertext) block
+ */
+void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
+ const unsigned char input[16],
+ unsigned char output[16] );
+
+/**
+ * \brief Internal AES block decryption function
+ * (Only exposed to allow overriding it,
+ * see MBEDTLS_AES_DECRYPT_ALT)
+ *
+ * \param ctx AES context
+ * \param input Ciphertext block
+ * \param output Output (plaintext) block
+ */
+void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
+ const unsigned char input[16],
+ unsigned char output[16] );
#ifdef __cplusplus
}
#endif
-#else /* POLARSSL_AES_ALT */
+#else /* MBEDTLS_AES_ALT */
#include "aes_alt.h"
-#endif /* POLARSSL_AES_ALT */
+#endif /* MBEDTLS_AES_ALT */
#ifdef __cplusplus
extern "C" {
*
* \return 0 if successful, or 1 if the test failed
*/
-int aes_self_test( int verbose );
+int mbedtls_aes_self_test( int verbose );
#ifdef __cplusplus
}
projects / reactos.git / blobdiff