89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
|
|
chronyd/chronyc - Programs for keeping computer clocks accurate.
|
|
|
|
**********************************************************************
|
|
* Copyright (C) Miroslav Lichvar 2012
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*
|
|
**********************************************************************
|
|
|
|
=======================================================================
|
|
|
|
Routines implementing crypto hashing using NSSLOWHASH API of the NSS library.
|
|
|
|
*/
|
|
|
|
#include <nss.h>
|
|
#include <hasht.h>
|
|
#include <nsslowhash.h>
|
|
|
|
/* #include "config.h" */
|
|
#include "hash.h"
|
|
|
|
static NSSLOWInitContext *ictx;
|
|
|
|
struct hash {
|
|
HASH_HashType type;
|
|
const char *name;
|
|
NSSLOWHASHContext *context;
|
|
};
|
|
|
|
static struct hash hashes[] = {
|
|
{ HASH_AlgMD5, "MD5", NULL },
|
|
{ HASH_AlgSHA1, "SHA1", NULL },
|
|
{ HASH_AlgSHA256, "SHA256", NULL },
|
|
{ HASH_AlgSHA384, "SHA384", NULL },
|
|
{ HASH_AlgSHA512, "SHA512", NULL },
|
|
{ 0, NULL, NULL }
|
|
};
|
|
|
|
int
|
|
HSH_GetHashId(const char *name)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; hashes[i].name; i++) {
|
|
if (!strcmp(name, hashes[i].name))
|
|
break;
|
|
}
|
|
|
|
if (!hashes[i].name)
|
|
return -1; /* not found */
|
|
|
|
if (!ictx && !(ictx = NSSLOW_Init()))
|
|
return -1; /* couldn't init NSS */
|
|
|
|
if (!hashes[i].context &&
|
|
!(hashes[i].context = NSSLOWHASH_NewContext(ictx, hashes[i].type)))
|
|
return -1; /* couldn't init hash */
|
|
|
|
return i;
|
|
}
|
|
|
|
unsigned int
|
|
HSH_Hash(int id, const unsigned char *in1, unsigned int in1_len,
|
|
const unsigned char *in2, unsigned int in2_len,
|
|
unsigned char *out, unsigned int out_len)
|
|
{
|
|
unsigned int ret;
|
|
|
|
NSSLOWHASH_Begin(hashes[id].context);
|
|
NSSLOWHASH_Update(hashes[id].context, in1, in1_len);
|
|
if (in2)
|
|
NSSLOWHASH_Update(hashes[id].context, in2, in2_len);
|
|
NSSLOWHASH_End(hashes[id].context, out, &ret, out_len);
|
|
|
|
return ret;
|
|
}
|