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Diffstat (limited to 'cmac.h')
| -rw-r--r-- | cmac.h | 48 |
1 files changed, 48 insertions, 0 deletions
@@ -0,0 +1,48 @@ +/* + 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 + +/* Avoid overlapping with the hash enumeration */ +typedef enum { + CMC_INVALID = 0, + CMC_AES128 = 13, + CMC_AES256 = 14, +} CMC_Algorithm; + +typedef struct CMC_Instance_Record *CMC_Instance; + +extern int CMC_GetKeyLength(CMC_Algorithm algorithm); +extern CMC_Instance CMC_CreateInstance(CMC_Algorithm algorithm, const unsigned char *key, + int length); +extern int CMC_Hash(CMC_Instance inst, const void *in, int in_len, + unsigned char *out, int out_len); +extern void CMC_DestroyInstance(CMC_Instance inst); + +#endif + |