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...

Defines

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

Functions

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.
void sha512_process (sha512_context *ctx, const unsigned char data[128])

Detailed Description

SHA-384 and SHA-512 cryptographic hash function.

Copyright (C) 2006-2013, 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.


Define Documentation

#define POLARSSL_ERR_SHA512_FILE_IO_ERROR   -0x007A

Read/write error in file.

Definition at line 42 of file sha512.h.

Referenced by polarssl_strerror(), and sha512_file().

#define UL64 (  )     x##ULL

Definition at line 39 of file sha512.h.

Referenced by sha512_starts().


Function Documentation

void 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

Definition at line 318 of file sha512.c.

References sha512_finish(), sha512_starts(), and sha512_update().

Referenced by entropy_func(), entropy_update(), sha384_wrap(), sha512_hmac_starts(), sha512_wrap(), ssl_calc_finished_tls_sha384(), ssl_calc_verify_tls_sha384(), test_suite_sha384(), and test_suite_sha512().

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

Output = SHA-512( file contents ).

Parameters:
path input file name
output SHA-384/512 checksum result
is384 0 = use SHA512, 1 = use SHA384
Returns:
0 if successful, or POLARSSL_ERR_SHA512_FILE_IO_ERROR

Definition at line 334 of file sha512.c.

References POLARSSL_ERR_SHA512_FILE_IO_ERROR, sha512_finish(), sha512_starts(), and sha512_update().

Referenced by sha384_file_wrap(), sha512_file_wrap(), test_suite_sha384_file(), and test_suite_sha512_file().

void sha512_finish ( sha512_context ctx,
unsigned char  output[64] 
)
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:
key HMAC secret key
keylen length of the HMAC key
input buffer holding the data
ilen length of the input data
output HMAC-SHA-384/512 result
is384 0 = use SHA512, 1 = use SHA384

Definition at line 436 of file sha512.c.

References sha512_hmac_finish(), sha512_hmac_starts(), and sha512_hmac_update().

Referenced by sha384_hmac_wrap(), sha512_hmac_wrap(), test_suite_sha384_hmac(), test_suite_sha512_hmac(), and tls_prf_sha384().

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

SHA-512 HMAC final digest.

Parameters:
ctx HMAC context
output SHA-384/512 HMAC checksum result

Definition at line 407 of file sha512.c.

References sha512_context::is384, sha512_context::opad, sha512_finish(), sha512_starts(), and sha512_update().

Referenced by sha384_hmac_finish_wrap(), sha512_hmac(), sha512_hmac_finish_wrap(), and sha512_self_test().

void sha512_hmac_reset ( sha512_context ctx  ) 

SHA-512 HMAC context reset.

Parameters:
ctx HMAC context to be reset

Definition at line 427 of file sha512.c.

References sha512_context::ipad, sha512_context::is384, sha512_starts(), and sha512_update().

Referenced by sha384_hmac_reset_wrap(), and sha512_hmac_reset_wrap().

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

SHA-512 HMAC context setup.

Parameters:
ctx HMAC context to be initialized
is384 0 = use SHA512, 1 = use SHA384
key HMAC secret key
keylen length of the HMAC key

Definition at line 367 of file sha512.c.

References sha512_context::ipad, sha512_context::opad, sha512(), sha512_starts(), and sha512_update().

Referenced by sha384_hmac_starts_wrap(), sha512_hmac(), sha512_hmac_starts_wrap(), and sha512_self_test().

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

SHA-512 HMAC process buffer.

Parameters:
ctx HMAC context
input buffer holding the data
ilen length of the input data

Definition at line 398 of file sha512.c.

References sha512_update().

Referenced by sha384_hmac_update_wrap(), sha512_hmac(), sha512_hmac_update_wrap(), and sha512_self_test().

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

Definition at line 157 of file sha512.c.

References A, F, GET_UINT64_BE, K, P, S0, S1, and sha512_context::state.

Referenced by sha384_process_wrap(), sha512_process_wrap(), and sha512_update().

int sha512_self_test ( int  verbose  ) 
void sha512_starts ( sha512_context ctx,
int  is384 
)

SHA-512 context setup.

Parameters:
ctx context to be initialized
is384 0 = use SHA512, 1 = use SHA384

Definition at line 124 of file sha512.c.

References sha512_context::is384, sha512_context::state, sha512_context::total, and UL64.

Referenced by entropy_func(), entropy_init(), sha384_starts_wrap(), sha512(), sha512_file(), sha512_hmac_finish(), sha512_hmac_reset(), sha512_hmac_starts(), sha512_self_test(), sha512_starts_wrap(), and ssl_handshake_init().

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

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