PolarSSL v1.3.9
Data Structures | Macros | Functions
sha512.h File Reference

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

#include "config.h"
#include <string.h>
#include <inttypes.h>
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Data Structures

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

Macros

#define UL64(x)   x##ULL
 
#define POLARSSL_ERR_SHA512_FILE_IO_ERROR   -0x007A
 Read/write error in file. More...
 

Functions

void sha512_init (sha512_context *ctx)
 Initialize SHA-512 context. More...
 
void sha512_free (sha512_context *ctx)
 Clear SHA-512 context. More...
 
void sha512_starts (sha512_context *ctx, int is384)
 SHA-512 context setup. More...
 
void sha512_update (sha512_context *ctx, const unsigned char *input, size_t ilen)
 SHA-512 process buffer. More...
 
void sha512_finish (sha512_context *ctx, unsigned char output[64])
 SHA-512 final digest. More...
 
void sha512 (const unsigned char *input, size_t ilen, unsigned char output[64], int is384)
 Output = SHA-512( input buffer ) More...
 
int sha512_file (const char *path, unsigned char output[64], int is384)
 Output = SHA-512( file contents ) More...
 
void sha512_hmac_starts (sha512_context *ctx, const unsigned char *key, size_t keylen, int is384)
 SHA-512 HMAC context setup. More...
 
void sha512_hmac_update (sha512_context *ctx, const unsigned char *input, size_t ilen)
 SHA-512 HMAC process buffer. More...
 
void sha512_hmac_finish (sha512_context *ctx, unsigned char output[64])
 SHA-512 HMAC final digest. More...
 
void sha512_hmac_reset (sha512_context *ctx)
 SHA-512 HMAC context reset. More...
 
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 ) More...
 
int sha512_self_test (int verbose)
 Checkup routine. More...
 
void sha512_process (sha512_context *ctx, const unsigned char data[128])
 

Detailed Description

SHA-384 and SHA-512 cryptographic hash function.

Copyright (C) 2006-2014, Brainspark B.V.

This file is part of PolarSSL (http://www.polarssl.org) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>

All rights reserved.

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.

Macro Definition Documentation

#define POLARSSL_ERR_SHA512_FILE_IO_ERROR   -0x007A

Read/write error in file.

Definition at line 46 of file sha512.h.

#define UL64 (   x)    x##ULL

Definition at line 43 of 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

Referenced by sha4(), and verify_int().

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

Referenced by sha4_file(), and verify_int().

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

SHA-512 final digest.

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

Referenced by sha4_finish().

void sha512_free ( sha512_context ctx)

Clear SHA-512 context.

Parameters
ctxSHA-512 context to be cleared

Referenced by verify_int().

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

Referenced by sha4_hmac(), and verify_int().

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

Referenced by sha4_hmac_finish(), and verify_int().

void sha512_hmac_reset ( sha512_context ctx)

SHA-512 HMAC context reset.

Parameters
ctxHMAC context to be reset

Referenced by sha4_hmac_reset(), and verify_int().

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

Referenced by sha4_hmac_starts(), and verify_int().

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

Referenced by sha4_hmac_update(), and verify_int().

void sha512_init ( sha512_context ctx)

Initialize SHA-512 context.

Parameters
ctxSHA-512 context to be initialized

Referenced by verify_int().

void sha512_process ( sha512_context ctx,
const unsigned char  data[128] 
)
int sha512_self_test ( int  verbose)

Checkup routine.

Returns
0 if successful, or 1 if the test failed

Referenced by sha4_self_test(), and verify_int().

void sha512_starts ( sha512_context ctx,
int  is384 
)

SHA-512 context setup.

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

Referenced by sha4_starts().

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

Referenced by sha4_update().