1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/**
* \file cipher_wrap.h
*
* \brief Cipher wrappers.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*/
/*
* 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_CIPHER_WRAP_H
#define MBEDTLS_CIPHER_WRAP_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* Base cipher information. The non-mode specific functions and values.
*/
struct mbedtls_cipher_base_t
{
/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
mbedtls_cipher_id_t cipher;
/** Encrypt using ECB */
int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
const unsigned char *input, unsigned char *output );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/** Encrypt using CBC */
int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key,
unsigned int key_bitlen );
/** Set key for decryption purposes */
int (*setkey_dec_func)( void *ctx, const unsigned char *key,
unsigned int key_bitlen);
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
/** Zero the given context */
void (*ctx_zero_func)( void *ctx );
};
typedef struct
{
mbedtls_cipher_type_t type;
const mbedtls_cipher_info_t *info;
} mbedtls_cipher_definition_t;
extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
extern int mbedtls_cipher_supported[];
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CIPHER_WRAP_H */
|