Simon Cooksey / mbed-os

features/mbedtls/inc/mbedtls/cipher_internal.h@0:fb7af294d5d9, 2016-11-17 (annotated)

Committer:
Simon Cooksey
Date:
Thu Nov 17 16:43:53 2016 +0000
Revision:
0:fb7af294d5d9
Initial commit

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Simon Cooksey 0:fb7af294d5d9 1 /**
Simon Cooksey 0:fb7af294d5d9 2 * \file cipher_internal.h
Simon Cooksey 0:fb7af294d5d9 3 *
Simon Cooksey 0:fb7af294d5d9 4 * \brief Cipher wrappers.
Simon Cooksey 0:fb7af294d5d9 5 *
Simon Cooksey 0:fb7af294d5d9 6 * \author Adriaan de Jong <dejong@fox-it.com>
Simon Cooksey 0:fb7af294d5d9 7 *
Simon Cooksey 0:fb7af294d5d9 8 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
Simon Cooksey 0:fb7af294d5d9 9 * SPDX-License-Identifier: Apache-2.0
Simon Cooksey 0:fb7af294d5d9 10 *
Simon Cooksey 0:fb7af294d5d9 11 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Simon Cooksey 0:fb7af294d5d9 12 * not use this file except in compliance with the License.
Simon Cooksey 0:fb7af294d5d9 13 * You may obtain a copy of the License at
Simon Cooksey 0:fb7af294d5d9 14 *
Simon Cooksey 0:fb7af294d5d9 15 * http://www.apache.org/licenses/LICENSE-2.0
Simon Cooksey 0:fb7af294d5d9 16 *
Simon Cooksey 0:fb7af294d5d9 17 * Unless required by applicable law or agreed to in writing, software
Simon Cooksey 0:fb7af294d5d9 18 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Simon Cooksey 0:fb7af294d5d9 19 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Simon Cooksey 0:fb7af294d5d9 20 * See the License for the specific language governing permissions and
Simon Cooksey 0:fb7af294d5d9 21 * limitations under the License.
Simon Cooksey 0:fb7af294d5d9 22 *
Simon Cooksey 0:fb7af294d5d9 23 * This file is part of mbed TLS (https://tls.mbed.org)
Simon Cooksey 0:fb7af294d5d9 24 */
Simon Cooksey 0:fb7af294d5d9 25 #ifndef MBEDTLS_CIPHER_WRAP_H
Simon Cooksey 0:fb7af294d5d9 26 #define MBEDTLS_CIPHER_WRAP_H
Simon Cooksey 0:fb7af294d5d9 27
Simon Cooksey 0:fb7af294d5d9 28 #if !defined(MBEDTLS_CONFIG_FILE)
Simon Cooksey 0:fb7af294d5d9 29 #include "config.h"
Simon Cooksey 0:fb7af294d5d9 30 #else
Simon Cooksey 0:fb7af294d5d9 31 #include MBEDTLS_CONFIG_FILE
Simon Cooksey 0:fb7af294d5d9 32 #endif
Simon Cooksey 0:fb7af294d5d9 33
Simon Cooksey 0:fb7af294d5d9 34 #include "cipher.h"
Simon Cooksey 0:fb7af294d5d9 35
Simon Cooksey 0:fb7af294d5d9 36 #ifdef __cplusplus
Simon Cooksey 0:fb7af294d5d9 37 extern "C" {
Simon Cooksey 0:fb7af294d5d9 38 #endif
Simon Cooksey 0:fb7af294d5d9 39
Simon Cooksey 0:fb7af294d5d9 40 /**
Simon Cooksey 0:fb7af294d5d9 41 * Base cipher information. The non-mode specific functions and values.
Simon Cooksey 0:fb7af294d5d9 42 */
Simon Cooksey 0:fb7af294d5d9 43 struct mbedtls_cipher_base_t
Simon Cooksey 0:fb7af294d5d9 44 {
Simon Cooksey 0:fb7af294d5d9 45 /** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
Simon Cooksey 0:fb7af294d5d9 46 mbedtls_cipher_id_t cipher;
Simon Cooksey 0:fb7af294d5d9 47
Simon Cooksey 0:fb7af294d5d9 48 /** Encrypt using ECB */
Simon Cooksey 0:fb7af294d5d9 49 int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
Simon Cooksey 0:fb7af294d5d9 50 const unsigned char *input, unsigned char *output );
Simon Cooksey 0:fb7af294d5d9 51
Simon Cooksey 0:fb7af294d5d9 52 #if defined(MBEDTLS_CIPHER_MODE_CBC)
Simon Cooksey 0:fb7af294d5d9 53 /** Encrypt using CBC */
Simon Cooksey 0:fb7af294d5d9 54 int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
Simon Cooksey 0:fb7af294d5d9 55 unsigned char *iv, const unsigned char *input,
Simon Cooksey 0:fb7af294d5d9 56 unsigned char *output );
Simon Cooksey 0:fb7af294d5d9 57 #endif
Simon Cooksey 0:fb7af294d5d9 58
Simon Cooksey 0:fb7af294d5d9 59 #if defined(MBEDTLS_CIPHER_MODE_CFB)
Simon Cooksey 0:fb7af294d5d9 60 /** Encrypt using CFB (Full length) */
Simon Cooksey 0:fb7af294d5d9 61 int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
Simon Cooksey 0:fb7af294d5d9 62 unsigned char *iv, const unsigned char *input,
Simon Cooksey 0:fb7af294d5d9 63 unsigned char *output );
Simon Cooksey 0:fb7af294d5d9 64 #endif
Simon Cooksey 0:fb7af294d5d9 65
Simon Cooksey 0:fb7af294d5d9 66 #if defined(MBEDTLS_CIPHER_MODE_CTR)
Simon Cooksey 0:fb7af294d5d9 67 /** Encrypt using CTR */
Simon Cooksey 0:fb7af294d5d9 68 int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
Simon Cooksey 0:fb7af294d5d9 69 unsigned char *nonce_counter, unsigned char *stream_block,
Simon Cooksey 0:fb7af294d5d9 70 const unsigned char *input, unsigned char *output );
Simon Cooksey 0:fb7af294d5d9 71 #endif
Simon Cooksey 0:fb7af294d5d9 72
Simon Cooksey 0:fb7af294d5d9 73 #if defined(MBEDTLS_CIPHER_MODE_STREAM)
Simon Cooksey 0:fb7af294d5d9 74 /** Encrypt using STREAM */
Simon Cooksey 0:fb7af294d5d9 75 int (*stream_func)( void *ctx, size_t length,
Simon Cooksey 0:fb7af294d5d9 76 const unsigned char *input, unsigned char *output );
Simon Cooksey 0:fb7af294d5d9 77 #endif
Simon Cooksey 0:fb7af294d5d9 78
Simon Cooksey 0:fb7af294d5d9 79 /** Set key for encryption purposes */
Simon Cooksey 0:fb7af294d5d9 80 int (*setkey_enc_func)( void *ctx, const unsigned char *key,
Simon Cooksey 0:fb7af294d5d9 81 unsigned int key_bitlen );
Simon Cooksey 0:fb7af294d5d9 82
Simon Cooksey 0:fb7af294d5d9 83 /** Set key for decryption purposes */
Simon Cooksey 0:fb7af294d5d9 84 int (*setkey_dec_func)( void *ctx, const unsigned char *key,
Simon Cooksey 0:fb7af294d5d9 85 unsigned int key_bitlen);
Simon Cooksey 0:fb7af294d5d9 86
Simon Cooksey 0:fb7af294d5d9 87 /** Allocate a new context */
Simon Cooksey 0:fb7af294d5d9 88 void * (*ctx_alloc_func)( void );
Simon Cooksey 0:fb7af294d5d9 89
Simon Cooksey 0:fb7af294d5d9 90 /** Free the given context */
Simon Cooksey 0:fb7af294d5d9 91 void (*ctx_free_func)( void *ctx );
Simon Cooksey 0:fb7af294d5d9 92
Simon Cooksey 0:fb7af294d5d9 93 };
Simon Cooksey 0:fb7af294d5d9 94
Simon Cooksey 0:fb7af294d5d9 95 typedef struct
Simon Cooksey 0:fb7af294d5d9 96 {
Simon Cooksey 0:fb7af294d5d9 97 mbedtls_cipher_type_t type;
Simon Cooksey 0:fb7af294d5d9 98 const mbedtls_cipher_info_t *info;
Simon Cooksey 0:fb7af294d5d9 99 } mbedtls_cipher_definition_t;
Simon Cooksey 0:fb7af294d5d9 100
Simon Cooksey 0:fb7af294d5d9 101 extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
Simon Cooksey 0:fb7af294d5d9 102
Simon Cooksey 0:fb7af294d5d9 103 extern int mbedtls_cipher_supported[];
Simon Cooksey 0:fb7af294d5d9 104
Simon Cooksey 0:fb7af294d5d9 105 #ifdef __cplusplus
Simon Cooksey 0:fb7af294d5d9 106 }
Simon Cooksey 0:fb7af294d5d9 107 #endif
Simon Cooksey 0:fb7af294d5d9 108
Simon Cooksey 0:fb7af294d5d9 109 #endif /* MBEDTLS_CIPHER_WRAP_H */