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sha512.h File Reference
SHA-384 and SHA-512 cryptographic hash function.
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struct sha512_context SHA-512 context structure. More... 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:
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 355 of file sha512.c .
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 371 of file sha512.c .
SHA-512 final digest.
Parameters:
ctx SHA-512 context output SHA-384/512 checksum result
Definition at line 317 of file sha512.c .
Clear SHA-512 context.
Parameters:
ctx SHA-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:
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 473 of file sha512.c .
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 444 of file sha512.c .
SHA-512 HMAC context reset.
Parameters:
ctx HMAC 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:
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 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:
ctx HMAC context input buffer holding the data ilen length of the input data
Definition at line 435 of file sha512.c .
Initialize SHA-512 context.
Parameters:
ctx SHA-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 .
SHA-512 context setup.
Parameters:
ctx context to be initialized is384 0 = 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:
ctx SHA-512 context input buffer holding the data ilen length of the input data
Definition at line 265 of file sha512.c .
1.7.2