sha512.h File Reference

SHA-384 and SHA-512 cryptographic hash function. More...

#include "config.h"
#include <stddef.h>
#include <stdint.h>
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Data Structures

struct  mbedtls_sha512_context
 SHA-512 context structure. More...

Functions

void mbedtls_sha512_init (mbedtls_sha512_context *ctx)
 Initialize SHA-512 context.
void mbedtls_sha512_free (mbedtls_sha512_context *ctx)
 Clear SHA-512 context.
void mbedtls_sha512_clone (mbedtls_sha512_context *dst, const mbedtls_sha512_context *src)
 Clone (the state of) a SHA-512 context.
void mbedtls_sha512_starts (mbedtls_sha512_context *ctx, int is384)
 SHA-512 context setup.
void mbedtls_sha512_update (mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen)
 SHA-512 process buffer.
void mbedtls_sha512_finish (mbedtls_sha512_context *ctx, unsigned char output[64])
 SHA-512 final digest.
void mbedtls_sha512 (const unsigned char *input, size_t ilen, unsigned char output[64], int is384)
 Output = SHA-512( input buffer ).
int mbedtls_sha512_self_test (int verbose)
 Checkup routine.
void mbedtls_sha512_process (mbedtls_sha512_context *ctx, const unsigned char data[128])

Detailed Description

SHA-384 and SHA-512 cryptographic hash function.

Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 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.

This file is part of mbed TLS (https://tls.mbed.org)

Definition in file sha512.h.


Function Documentation

void mbedtls_sha512 ( const unsigned char *  input,
size_t  ilen,
unsigned char  output[64],
int  is384 
)

Output = SHA-512( input buffer ).

Parameters:
input buffer holding the data
ilen length of the input data
output SHA-384/512 checksum result
is384 0 = use SHA512, 1 = use SHA384
void mbedtls_sha512_clone ( mbedtls_sha512_context dst,
const mbedtls_sha512_context src 
)

Clone (the state of) a SHA-512 context.

Parameters:
dst The destination context
src The context to be cloned
void mbedtls_sha512_finish ( mbedtls_sha512_context ctx,
unsigned char  output[64] 
)

SHA-512 final digest.

Parameters:
ctx SHA-512 context
output SHA-384/512 checksum result
void mbedtls_sha512_free ( mbedtls_sha512_context ctx  ) 

Clear SHA-512 context.

Parameters:
ctx SHA-512 context to be cleared
void mbedtls_sha512_init ( mbedtls_sha512_context ctx  ) 

Initialize SHA-512 context.

Parameters:
ctx SHA-512 context to be initialized
void mbedtls_sha512_process ( mbedtls_sha512_context ctx,
const unsigned char  data[128] 
)
int mbedtls_sha512_self_test ( int  verbose  ) 

Checkup routine.

Returns:
0 if successful, or 1 if the test failed
void mbedtls_sha512_starts ( mbedtls_sha512_context ctx,
int  is384 
)

SHA-512 context setup.

Parameters:
ctx context to be initialized
is384 0 = use SHA512, 1 = use SHA384
void mbedtls_sha512_update ( mbedtls_sha512_context ctx,
const unsigned char *  input,
size_t  ilen 
)

SHA-512 process buffer.

Parameters:
ctx SHA-512 context
input buffer holding the data
ilen length of the input data

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