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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8774 | rgimad | 1 | /** |
| 2 | * \file cipher_internal.h |
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| 3 | * |
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| 4 | * \brief Cipher wrappers. |
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| 5 | * |
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| 6 | * \author Adriaan de Jong |
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| 7 | */ |
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| 8 | /* |
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| 9 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
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| 10 | * SPDX-License-Identifier: GPL-2.0 |
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| 11 | * |
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| 12 | * This program is free software; you can redistribute it and/or modify |
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| 13 | * it under the terms of the GNU General Public License as published by |
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| 14 | * the Free Software Foundation; either version 2 of the License, or |
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| 15 | * (at your option) any later version. |
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| 16 | * |
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| 17 | * This program is distributed in the hope that it will be useful, |
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| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 20 | * GNU General Public License for more details. |
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| 21 | * |
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| 22 | * You should have received a copy of the GNU General Public License along |
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| 23 | * with this program; if not, write to the Free Software Foundation, Inc., |
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| 24 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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| 25 | * |
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| 26 | * This file is part of mbed TLS (https://tls.mbed.org) |
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| 27 | */ |
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| 28 | #ifndef MBEDTLS_CIPHER_WRAP_H |
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| 29 | #define MBEDTLS_CIPHER_WRAP_H |
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| 30 | |||
| 31 | #if !defined(MBEDTLS_CONFIG_FILE) |
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| 32 | #include "config.h" |
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| 33 | #else |
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| 34 | #include MBEDTLS_CONFIG_FILE |
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| 35 | #endif |
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| 36 | |||
| 37 | #include "cipher.h" |
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| 38 | |||
| 39 | #ifdef __cplusplus |
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| 40 | extern "C" { |
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| 41 | #endif |
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| 42 | |||
| 43 | /** |
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| 44 | * Base cipher information. The non-mode specific functions and values. |
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| 45 | */ |
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| 46 | struct mbedtls_cipher_base_t |
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| 47 | { |
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| 48 | /** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */ |
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| 49 | mbedtls_cipher_id_t cipher; |
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| 50 | |||
| 51 | /** Encrypt using ECB */ |
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| 52 | int (*ecb_func)( void *ctx, mbedtls_operation_t mode, |
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| 53 | const unsigned char *input, unsigned char *output ); |
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| 54 | |||
| 55 | #if defined(MBEDTLS_CIPHER_MODE_CBC) |
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| 56 | /** Encrypt using CBC */ |
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| 57 | int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length, |
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| 58 | unsigned char *iv, const unsigned char *input, |
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| 59 | unsigned char *output ); |
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| 60 | #endif |
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| 61 | |||
| 62 | #if defined(MBEDTLS_CIPHER_MODE_CFB) |
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| 63 | /** Encrypt using CFB (Full length) */ |
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| 64 | int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off, |
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| 65 | unsigned char *iv, const unsigned char *input, |
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| 66 | unsigned char *output ); |
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| 67 | #endif |
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| 68 | |||
| 69 | #if defined(MBEDTLS_CIPHER_MODE_OFB) |
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| 70 | /** Encrypt using OFB (Full length) */ |
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| 71 | int (*ofb_func)( void *ctx, size_t length, size_t *iv_off, |
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| 72 | unsigned char *iv, |
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| 73 | const unsigned char *input, |
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| 74 | unsigned char *output ); |
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| 75 | #endif |
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| 76 | |||
| 77 | #if defined(MBEDTLS_CIPHER_MODE_CTR) |
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| 78 | /** Encrypt using CTR */ |
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| 79 | int (*ctr_func)( void *ctx, size_t length, size_t *nc_off, |
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| 80 | unsigned char *nonce_counter, unsigned char *stream_block, |
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| 81 | const unsigned char *input, unsigned char *output ); |
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| 82 | #endif |
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| 83 | |||
| 84 | #if defined(MBEDTLS_CIPHER_MODE_XTS) |
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| 85 | /** Encrypt or decrypt using XTS. */ |
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| 86 | int (*xts_func)( void *ctx, mbedtls_operation_t mode, size_t length, |
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| 87 | const unsigned char data_unit[16], |
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| 88 | const unsigned char *input, unsigned char *output ); |
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| 89 | #endif |
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| 90 | |||
| 91 | #if defined(MBEDTLS_CIPHER_MODE_STREAM) |
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| 92 | /** Encrypt using STREAM */ |
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| 93 | int (*stream_func)( void *ctx, size_t length, |
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| 94 | const unsigned char *input, unsigned char *output ); |
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| 95 | #endif |
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| 96 | |||
| 97 | /** Set key for encryption purposes */ |
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| 98 | int (*setkey_enc_func)( void *ctx, const unsigned char *key, |
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| 99 | unsigned int key_bitlen ); |
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| 100 | |||
| 101 | /** Set key for decryption purposes */ |
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| 102 | int (*setkey_dec_func)( void *ctx, const unsigned char *key, |
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| 103 | unsigned int key_bitlen); |
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| 104 | |||
| 105 | /** Allocate a new context */ |
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| 106 | void * (*ctx_alloc_func)( void ); |
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| 107 | |||
| 108 | /** Free the given context */ |
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| 109 | void (*ctx_free_func)( void *ctx ); |
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| 110 | |||
| 111 | }; |
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| 112 | |||
| 113 | typedef struct |
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| 114 | { |
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| 115 | mbedtls_cipher_type_t type; |
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| 116 | const mbedtls_cipher_info_t *info; |
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| 117 | } mbedtls_cipher_definition_t; |
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| 118 | |||
| 119 | extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[]; |
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| 120 | |||
| 121 | extern int mbedtls_cipher_supported[]; |
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| 122 | |||
| 123 | #ifdef __cplusplus |
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| 124 | } |
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| 125 | #endif |
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| 126 | |||
| 127 | #endif /* MBEDTLS_CIPHER_WRAP_H */ |