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ccm.h
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1
30/*
31 * Copyright The Mbed TLS Contributors
32 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
33 *
34 * This file is provided under the Apache License 2.0, or the
35 * GNU General Public License v2.0 or later.
36 *
37 * **********
38 * Apache License 2.0:
39 *
40 * Licensed under the Apache License, Version 2.0 (the "License"); you may
41 * not use this file except in compliance with the License.
42 * You may obtain a copy of the License at
43 *
44 * http://www.apache.org/licenses/LICENSE-2.0
45 *
46 * Unless required by applicable law or agreed to in writing, software
47 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
48 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
49 * See the License for the specific language governing permissions and
50 * limitations under the License.
51 *
52 * **********
53 *
54 * **********
55 * GNU General Public License v2.0 or later:
56 *
57 * This program is free software; you can redistribute it and/or modify
58 * it under the terms of the GNU General Public License as published by
59 * the Free Software Foundation; either version 2 of the License, or
60 * (at your option) any later version.
61 *
62 * This program is distributed in the hope that it will be useful,
63 * but WITHOUT ANY WARRANTY; without even the implied warranty of
64 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
65 * GNU General Public License for more details.
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72 */
73
74#ifndef MBEDTLS_CCM_H
75#define MBEDTLS_CCM_H
76
77#if !defined(MBEDTLS_CONFIG_FILE)
78#include "config.h"
79#else
80#include MBEDTLS_CONFIG_FILE
81#endif
82
83#include "cipher.h"
84
85#define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D
86#define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F
88/* MBEDTLS_ERR_CCM_HW_ACCEL_FAILED is deprecated and should not be used. */
89#define MBEDTLS_ERR_CCM_HW_ACCEL_FAILED -0x0011
91#ifdef __cplusplus
92extern "C" {
93#endif
94
95#if !defined(MBEDTLS_CCM_ALT)
96// Regular implementation
97//
98
104{
106}
108
109#else /* MBEDTLS_CCM_ALT */
110#include "ccm_alt.h"
111#endif /* MBEDTLS_CCM_ALT */
112
121
137 const unsigned char *key,
138 unsigned int keybits );
139
148
186 const unsigned char *iv, size_t iv_len,
187 const unsigned char *add, size_t add_len,
188 const unsigned char *input, unsigned char *output,
189 unsigned char *tag, size_t tag_len );
190
234 const unsigned char *iv, size_t iv_len,
235 const unsigned char *add, size_t add_len,
236 const unsigned char *input, unsigned char *output,
237 unsigned char *tag, size_t tag_len );
238
271 const unsigned char *iv, size_t iv_len,
272 const unsigned char *add, size_t add_len,
273 const unsigned char *input, unsigned char *output,
274 const unsigned char *tag, size_t tag_len );
275
316 const unsigned char *iv, size_t iv_len,
317 const unsigned char *add, size_t add_len,
318 const unsigned char *input, unsigned char *output,
319 const unsigned char *tag, size_t tag_len );
320
321#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
328int mbedtls_ccm_self_test( int verbose );
329#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
330
331#ifdef __cplusplus
332}
333#endif
334
335#endif /* MBEDTLS_CCM_H */
void mbedtls_ccm_free(mbedtls_ccm_context *ctx)
This function releases and clears the specified CCM context and underlying cipher sub-context.
int mbedtls_ccm_star_auth_decrypt(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, const unsigned char *tag, size_t tag_len)
This function performs a CCM* authenticated decryption of a buffer.
int mbedtls_ccm_setkey(mbedtls_ccm_context *ctx, mbedtls_cipher_id_t cipher, const unsigned char *key, unsigned int keybits)
This function initializes the CCM context set in the ctx parameter and sets the encryption key.
int mbedtls_ccm_star_encrypt_and_tag(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, unsigned char *tag, size_t tag_len)
This function encrypts a buffer using CCM*.
int mbedtls_ccm_encrypt_and_tag(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, unsigned char *tag, size_t tag_len)
This function encrypts a buffer using CCM.
int mbedtls_ccm_auth_decrypt(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, const unsigned char *tag, size_t tag_len)
This function performs a CCM authenticated decryption of a buffer.
void mbedtls_ccm_init(mbedtls_ccm_context *ctx)
This function initializes the specified CCM context, to make references valid, and prepare the contex...
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
mbedtls_cipher_id_t
Supported cipher types.
Definition: cipher.h:109
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
GLenum GLenum GLenum input
Definition: glext.h:9031
static DATA_BLOB cipher
Definition: protectdata.c:38
#define verbose
Definition: rosglue.h:36
Definition: copy.c:22
The CCM context-type definition. The CCM context is passed to the APIs called.
Definition: ccm.h:104
mbedtls_cipher_context_t cipher_ctx
Definition: ccm.h:105
Definition: ecma_167.h:138