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md.h
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1
8/*
9 * Copyright The Mbed TLS Contributors
10 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
11 *
12 * This file is provided under the Apache License 2.0, or the
13 * GNU General Public License v2.0 or later.
14 *
15 * **********
16 * Apache License 2.0:
17 *
18 * Licensed under the Apache License, Version 2.0 (the "License"); you may
19 * not use this file except in compliance with the License.
20 * You may obtain a copy of the License at
21 *
22 * http://www.apache.org/licenses/LICENSE-2.0
23 *
24 * Unless required by applicable law or agreed to in writing, software
25 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
26 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
27 * See the License for the specific language governing permissions and
28 * limitations under the License.
29 *
30 * **********
31 *
32 * **********
33 * GNU General Public License v2.0 or later:
34 *
35 * This program is free software; you can redistribute it and/or modify
36 * it under the terms of the GNU General Public License as published by
37 * the Free Software Foundation; either version 2 of the License, or
38 * (at your option) any later version.
39 *
40 * This program is distributed in the hope that it will be useful,
41 * but WITHOUT ANY WARRANTY; without even the implied warranty of
42 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
43 * GNU General Public License for more details.
44 *
45 * You should have received a copy of the GNU General Public License along
46 * with this program; if not, write to the Free Software Foundation, Inc.,
47 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
48 *
49 * **********
50 */
51
52#ifndef MBEDTLS_MD_H
53#define MBEDTLS_MD_H
54
55#include <stddef.h>
56
57#if !defined(MBEDTLS_CONFIG_FILE)
58#include "config.h"
59#else
60#include MBEDTLS_CONFIG_FILE
61#endif
62
63#define MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE -0x5080
64#define MBEDTLS_ERR_MD_BAD_INPUT_DATA -0x5100
65#define MBEDTLS_ERR_MD_ALLOC_FAILED -0x5180
66#define MBEDTLS_ERR_MD_FILE_IO_ERROR -0x5200
68/* MBEDTLS_ERR_MD_HW_ACCEL_FAILED is deprecated and should not be used. */
69#define MBEDTLS_ERR_MD_HW_ACCEL_FAILED -0x5280
71#ifdef __cplusplus
72extern "C" {
73#endif
74
83typedef enum {
95
96#if defined(MBEDTLS_SHA512_C)
97#define MBEDTLS_MD_MAX_SIZE 64 /* longest known is SHA512 */
98#else
99#define MBEDTLS_MD_MAX_SIZE 32 /* longest known is SHA256 or less */
100#endif
101
106
111{
114
116 void *md_ctx;
117
119 void *hmac_ctx;
121
133const int *mbedtls_md_list( void );
134
144const mbedtls_md_info_t *mbedtls_md_info_from_string( const char *md_name );
145
156
166
181
182#if ! defined(MBEDTLS_DEPRECATED_REMOVED)
183#if defined(MBEDTLS_DEPRECATED_WARNING)
184#define MBEDTLS_DEPRECATED __attribute__((deprecated))
185#else
186#define MBEDTLS_DEPRECATED
187#endif
207#undef MBEDTLS_DEPRECATED
208#endif /* MBEDTLS_DEPRECATED_REMOVED */
209
230
251 const mbedtls_md_context_t *src );
252
262unsigned char mbedtls_md_get_size( const mbedtls_md_info_t *md_info );
263
274
284const char *mbedtls_md_get_name( const mbedtls_md_info_t *md_info );
285
300
317int mbedtls_md_update( mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen );
318
337int mbedtls_md_finish( mbedtls_md_context_t *ctx, unsigned char *output );
338
357int mbedtls_md( const mbedtls_md_info_t *md_info, const unsigned char *input, size_t ilen,
358 unsigned char *output );
359
360#if defined(MBEDTLS_FS_IO)
378int mbedtls_md_file( const mbedtls_md_info_t *md_info, const char *path,
379 unsigned char *output );
380#endif /* MBEDTLS_FS_IO */
381
401 size_t keylen );
402
423 size_t ilen );
424
443int mbedtls_md_hmac_finish( mbedtls_md_context_t *ctx, unsigned char *output);
444
461
484int mbedtls_md_hmac( const mbedtls_md_info_t *md_info, const unsigned char *key, size_t keylen,
485 const unsigned char *input, size_t ilen,
486 unsigned char *output );
487
488/* Internal use */
489int mbedtls_md_process( mbedtls_md_context_t *ctx, const unsigned char *data );
490
491#ifdef __cplusplus
492}
493#endif
494
495#endif /* MBEDTLS_MD_H */
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
GLenum src
Definition: glext.h:6340
GLenum GLenum dst
Definition: glext.h:6340
GLenum GLenum GLenum input
Definition: glext.h:9031
const int * mbedtls_md_list(void)
This function returns the list of digests supported by the generic digest module.
int mbedtls_md_setup(mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info, int hmac)
This function selects the message digest algorithm to use, and allocates internal structures.
mbedtls_md_type_t
Supported message digests.
Definition: md.h:83
@ MBEDTLS_MD_SHA512
Definition: md.h:92
@ MBEDTLS_MD_MD5
Definition: md.h:87
@ MBEDTLS_MD_RIPEMD160
Definition: md.h:93
@ MBEDTLS_MD_SHA384
Definition: md.h:91
@ MBEDTLS_MD_NONE
Definition: md.h:84
@ MBEDTLS_MD_SHA256
Definition: md.h:90
@ MBEDTLS_MD_SHA224
Definition: md.h:89
@ MBEDTLS_MD_SHA1
Definition: md.h:88
@ MBEDTLS_MD_MD4
Definition: md.h:86
@ MBEDTLS_MD_MD2
Definition: md.h:85
int mbedtls_md_starts(mbedtls_md_context_t *ctx)
This function starts a message-digest computation.
int mbedtls_md_hmac(const mbedtls_md_info_t *md_info, const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char *output)
This function calculates the full generic HMAC on the input buffer with the provided key.
int mbedtls_md(const mbedtls_md_info_t *md_info, const unsigned char *input, size_t ilen, unsigned char *output)
This function calculates the message-digest of a buffer, with respect to a configurable message-diges...
int mbedtls_md_hmac_reset(mbedtls_md_context_t *ctx)
This function prepares to authenticate a new message with the same key as the previous HMAC operation...
const char * mbedtls_md_get_name(const mbedtls_md_info_t *md_info)
This function extracts the message-digest name from the message-digest information structure.
int mbedtls_md_init_ctx(mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info) MBEDTLS_DEPRECATED
This function selects the message digest algorithm to use, and allocates internal structures.
int mbedtls_md_clone(mbedtls_md_context_t *dst, const mbedtls_md_context_t *src)
This function clones the state of an message-digest context.
mbedtls_md_type_t mbedtls_md_get_type(const mbedtls_md_info_t *md_info)
This function extracts the message-digest type from the message-digest information structure.
int mbedtls_md_hmac_finish(mbedtls_md_context_t *ctx, unsigned char *output)
This function finishes the HMAC operation, and writes the result to the output buffer.
int mbedtls_md_update(mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing message-digest computation.
int mbedtls_md_hmac_update(mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing HMAC computation.
int mbedtls_md_hmac_starts(mbedtls_md_context_t *ctx, const unsigned char *key, size_t keylen)
This function sets the HMAC key and prepares to authenticate a new message.
#define MBEDTLS_DEPRECATED
Definition: md.h:186
int mbedtls_md_process(mbedtls_md_context_t *ctx, const unsigned char *data)
void mbedtls_md_init(mbedtls_md_context_t *ctx)
This function initializes a message-digest context without binding it to a particular message-digest ...
int mbedtls_md_finish(mbedtls_md_context_t *ctx, unsigned char *output)
This function finishes the digest operation, and writes the result to the output buffer.
const mbedtls_md_info_t * mbedtls_md_info_from_string(const char *md_name)
This function returns the message-digest information associated with the given digest name.
unsigned char mbedtls_md_get_size(const mbedtls_md_info_t *md_info)
This function extracts the message-digest size from the message-digest information structure.
void mbedtls_md_free(mbedtls_md_context_t *ctx)
This function clears the internal structure of ctx and frees any embedded internal structure,...
#define mbedtls_md_info_from_type
Definition: copy.c:22
const mbedtls_md_info_t * md_info
Definition: md.h:113
void * hmac_ctx
Definition: md.h:119
void * md_ctx
Definition: md.h:116