mbed TLS v3.4.0
sha512.h
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1 
8 /*
9  * Copyright The Mbed TLS Contributors
10  * SPDX-License-Identifier: Apache-2.0
11  *
12  * Licensed under the Apache License, Version 2.0 (the "License"); you may
13  * not use this file except in compliance with the License.
14  * You may obtain a copy of the License at
15  *
16  * http://www.apache.org/licenses/LICENSE-2.0
17  *
18  * Unless required by applicable law or agreed to in writing, software
19  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
20  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21  * See the License for the specific language governing permissions and
22  * limitations under the License.
23  */
24 #ifndef MBEDTLS_SHA512_H
25 #define MBEDTLS_SHA512_H
26 #include "mbedtls/private_access.h"
27 
28 #include "mbedtls/build_info.h"
29 
30 #include <stddef.h>
31 #include <stdint.h>
32 
34 #define MBEDTLS_ERR_SHA512_BAD_INPUT_DATA -0x0075
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 #if !defined(MBEDTLS_SHA512_ALT)
41 // Regular implementation
42 //
43 
51 typedef struct mbedtls_sha512_context {
52  uint64_t MBEDTLS_PRIVATE(total)[2];
53  uint64_t MBEDTLS_PRIVATE(state)[8];
54  unsigned char MBEDTLS_PRIVATE(buffer)[128];
55 #if defined(MBEDTLS_SHA384_C)
56  int MBEDTLS_PRIVATE(is384);
58 #endif
59 }
61 
62 #else /* MBEDTLS_SHA512_ALT */
63 #include "sha512_alt.h"
64 #endif /* MBEDTLS_SHA512_ALT */
65 
73 
83 
91  const mbedtls_sha512_context *src);
92 
108 int mbedtls_sha512_starts(mbedtls_sha512_context *ctx, int is384);
109 
124  const unsigned char *input,
125  size_t ilen);
126 
141  unsigned char *output);
142 
156  const unsigned char data[128]);
157 
187 int mbedtls_sha512(const unsigned char *input,
188  size_t ilen,
189  unsigned char *output,
190  int is384);
191 
192 #if defined(MBEDTLS_SELF_TEST)
193 
194 #if defined(MBEDTLS_SHA384_C)
195 
201 int mbedtls_sha384_self_test(int verbose);
202 #endif /* MBEDTLS_SHA384_C */
203 
204 #if defined(MBEDTLS_SHA512_C)
205 
211 int mbedtls_sha512_self_test(int verbose);
212 #endif /* MBEDTLS_SHA512_C */
213 
214 #endif /* MBEDTLS_SELF_TEST */
215 
216 #ifdef __cplusplus
217 }
218 #endif
219 
220 #endif /* mbedtls_sha512.h */
void mbedtls_sha512_clone(mbedtls_sha512_context *dst, const mbedtls_sha512_context *src)
This function clones the state of a SHA-512 context.
void mbedtls_sha512_init(mbedtls_sha512_context *ctx)
This function initializes a SHA-512 context.
struct mbedtls_sha512_context mbedtls_sha512_context
The SHA-512 context structure.
int mbedtls_sha384_self_test(int verbose)
The SHA-384 checkup routine.
#define MBEDTLS_PRIVATE(member)
int mbedtls_sha512_update(mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing SHA-512 checksum calculation. ...
The SHA-512 context structure.
Definition: sha512.h:51
int mbedtls_sha512_finish(mbedtls_sha512_context *ctx, unsigned char *output)
This function finishes the SHA-512 operation, and writes the result to the output buffer...
Macro wrapper for struct's members.
int mbedtls_sha512_self_test(int verbose)
The SHA-512 checkup routine.
Build-time configuration info.
int mbedtls_internal_sha512_process(mbedtls_sha512_context *ctx, const unsigned char data[128])
This function processes a single data block within the ongoing SHA-512 computation. This function is for internal use only.
int mbedtls_sha512(const unsigned char *input, size_t ilen, unsigned char *output, int is384)
This function calculates the SHA-512 or SHA-384 checksum of a buffer.
void mbedtls_sha512_free(mbedtls_sha512_context *ctx)
This function clears a SHA-512 context.
int mbedtls_sha512_starts(mbedtls_sha512_context *ctx, int is384)
This function starts a SHA-384 or SHA-512 checksum calculation.