1: /*
2: * Copyright (C) 2012 Tobias Brunner
3: * HSR Hochschule fuer Technik Rapperswil
4: *
5: * This program is free software; you can redistribute it and/or modify it
6: * under the terms of the GNU General Public License as published by the
7: * Free Software Foundation; either version 2 of the License, or (at your
8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13: * for more details.
14: */
15:
16: /**
17: * @defgroup mac_signer mac_signer
18: * @{ @ingroup crypto
19: */
20:
21: #ifndef MAC_SIGNER_H_
22: #define MAC_SIGNER_H_
23:
24: typedef struct mac_signer_t mac_signer_t;
25:
26: #include <crypto/mac.h>
27: #include <crypto/signers/signer.h>
28:
29: /**
30: * Creates an implementation of the signer_t interface using the provided mac_t
31: * implementation and truncation length.
32: *
33: * @note len will be set to mac_t.get_mac_size() if it is greater than that.
34: *
35: * @param mac mac_t implementation
36: * @param len length of resulting signature
37: * @return mac_signer_t
38: */
39: signer_t *mac_signer_create(mac_t *mac, size_t len);
40:
41: #endif /** MAC_SIGNER_H_ @}*/
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