chrony/cmac.h
Miroslav Lichvar f3f840551a cmac: add CMAC interface
Add cmac.h and stubs for cipher-based message authentication code
(CMAC).
2019-09-24 11:56:05 +02:00

41 lines
1.5 KiB
C

/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Miroslav Lichvar 2019
*
* 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.
*
**********************************************************************
=======================================================================
Header file for CMAC.
*/
#ifndef GOT_CMAC_H
#define GOT_CMAC_H
typedef struct CMC_Instance_Record *CMC_Instance;
extern unsigned int CMC_GetKeyLength(const char *cipher);
extern CMC_Instance CMC_CreateInstance(const char *cipher, const unsigned char *key,
unsigned int length);
extern unsigned int CMC_Hash(CMC_Instance inst, const unsigned char *in, unsigned int in_len,
unsigned char *out, unsigned int out_len);
extern void CMC_DestroyInstance(CMC_Instance inst);
#endif