62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
|
||
|
|
*
|
||
|
|
* 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @file
|
||
|
|
*
|
||
|
|
* Null crypto algorithm
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <gpxe/crypto.h>
|
||
|
|
|
||
|
|
static void null_init ( void *ctx __unused ) {
|
||
|
|
/* Do nothing */
|
||
|
|
}
|
||
|
|
|
||
|
|
static int null_setkey ( void *ctx __unused, void *key __unused,
|
||
|
|
size_t keylen __unused ) {
|
||
|
|
/* Do nothing */
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void null_encode ( void *ctx __unused, const void *src __unused,
|
||
|
|
void *dst __unused, size_t len __unused ) {
|
||
|
|
/* Do nothing */
|
||
|
|
}
|
||
|
|
|
||
|
|
static void null_decode ( void *ctx __unused, const void *src __unused,
|
||
|
|
void *dst __unused, size_t len __unused ) {
|
||
|
|
/* Do nothing */
|
||
|
|
}
|
||
|
|
|
||
|
|
static void null_final ( void *ctx __unused, void *out __unused ) {
|
||
|
|
/* Do nothing */
|
||
|
|
}
|
||
|
|
|
||
|
|
struct crypto_algorithm crypto_null = {
|
||
|
|
.name = "null",
|
||
|
|
.ctxsize = 0,
|
||
|
|
.blocksize = 1,
|
||
|
|
.digestsize = 0,
|
||
|
|
.init = null_init,
|
||
|
|
.setkey = null_setkey,
|
||
|
|
.encode = null_encode,
|
||
|
|
.decode = null_decode,
|
||
|
|
.final = null_final,
|
||
|
|
};
|