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sha512.h File Reference
Data Structures | Functions

sha512.h File Reference

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

Go to the source code of this file.

Data Structures

struct  sha512_context
 SHA-512 context structure. More...

Functions

void sha512_init (sha512_context *ctx)
 Initialize SHA-512 context.
void sha512_free (sha512_context *ctx)
 Clear SHA-512 context.
void sha512_starts (sha512_context *ctx, int is384)
 SHA-512 context setup.
void sha512_update (sha512_context *ctx, const unsigned char *input, size_t ilen)
 SHA-512 process buffer.
void sha512_finish (sha512_context *ctx, unsigned char output[64])
 SHA-512 final digest.
void sha512 (const unsigned char *input, size_t ilen, unsigned char output[64], int is384)
 Output = SHA-512( input buffer )
int sha512_file (const char *path, unsigned char output[64], int is384)
 Output = SHA-512( file contents )
void sha512_hmac_starts (sha512_context *ctx, const unsigned char *key, size_t keylen, int is384)
 SHA-512 HMAC context setup.
void sha512_hmac_update (sha512_context *ctx, const unsigned char *input, size_t ilen)
 SHA-512 HMAC process buffer.
void sha512_hmac_finish (sha512_context *ctx, unsigned char output[64])
 SHA-512 HMAC final digest.
void sha512_hmac_reset (sha512_context *ctx)
 SHA-512 HMAC context reset.
void sha512_hmac (const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char output[64], int is384)
 Output = HMAC-SHA-512( hmac key, input buffer )
int sha512_self_test (int verbose)
 Checkup routine.

Detailed Description

SHA-384 and SHA-512 cryptographic hash function.

Copyright (C) 2006-2014, ARM Limited, All Rights Reserved

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

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Definition in file sha512.h.

Function Documentation

void sha512 ( const unsigned char *  input,
size_t  ilen,
unsigned char  output[64],
int  is384 
)

Output = SHA-512( input buffer )

Parameters:
inputbuffer holding the data
ilenlength of the input data
outputSHA-384/512 checksum result
is3840 = use SHA512, 1 = use SHA384

Definition at line 355 of file sha512.c.

int sha512_file ( const char *  path,
unsigned char  output[64],
int  is384 
)

Output = SHA-512( file contents )

Parameters:
pathinput file name
outputSHA-384/512 checksum result
is3840 = use SHA512, 1 = use SHA384
Returns:
0 if successful, or POLARSSL_ERR_SHA512_FILE_IO_ERROR

Definition at line 371 of file sha512.c.

void sha512_finish ( sha512_context *  ctx,
unsigned char  output[64] 
)

SHA-512 final digest.

Parameters:
ctxSHA-512 context
outputSHA-384/512 checksum result

Definition at line 317 of file sha512.c.

void sha512_free ( sha512_context *  ctx )

Clear SHA-512 context.

Parameters:
ctxSHA-512 context to be cleared

Definition at line 149 of file sha512.c.

void sha512_hmac ( const unsigned char *  key,
size_t  keylen,
const unsigned char *  input,
size_t  ilen,
unsigned char  output[64],
int  is384 
)

Output = HMAC-SHA-512( hmac key, input buffer )

Parameters:
keyHMAC secret key
keylenlength of the HMAC key
inputbuffer holding the data
ilenlength of the input data
outputHMAC-SHA-384/512 result
is3840 = use SHA512, 1 = use SHA384

Definition at line 473 of file sha512.c.

void sha512_hmac_finish ( sha512_context *  ctx,
unsigned char  output[64] 
)

SHA-512 HMAC final digest.

Parameters:
ctxHMAC context
outputSHA-384/512 HMAC checksum result

Definition at line 444 of file sha512.c.

void sha512_hmac_reset ( sha512_context *  ctx )

SHA-512 HMAC context reset.

Parameters:
ctxHMAC context to be reset

Definition at line 464 of file sha512.c.

void sha512_hmac_starts ( sha512_context *  ctx,
const unsigned char *  key,
size_t  keylen,
int  is384 
)

SHA-512 HMAC context setup.

Parameters:
ctxHMAC context to be initialized
is3840 = use SHA512, 1 = use SHA384
keyHMAC secret key
keylenlength of the HMAC key

Definition at line 404 of file sha512.c.

void sha512_hmac_update ( sha512_context *  ctx,
const unsigned char *  input,
size_t  ilen 
)

SHA-512 HMAC process buffer.

Parameters:
ctxHMAC context
inputbuffer holding the data
ilenlength of the input data

Definition at line 435 of file sha512.c.

void sha512_init ( sha512_context *  ctx )

Initialize SHA-512 context.

Parameters:
ctxSHA-512 context to be initialized

Definition at line 144 of file sha512.c.

int sha512_self_test ( int  verbose )

Checkup routine.

Returns:
0 if successful, or 1 if the test failed

Definition at line 708 of file sha512.c.

void sha512_starts ( sha512_context *  ctx,
int  is384 
)

SHA-512 context setup.

Parameters:
ctxcontext to be initialized
is3840 = use SHA512, 1 = use SHA384

Definition at line 160 of file sha512.c.

void sha512_update ( sha512_context *  ctx,
const unsigned char *  input,
size_t  ilen 
)

SHA-512 process buffer.

Parameters:
ctxSHA-512 context
inputbuffer holding the data
ilenlength of the input data

Definition at line 265 of file sha512.c.

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