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1.1 misho 1: /* 2: * Copyright (C) 2016 Andreas Steffen 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 mgf1 mgf1 18: * @{ @ingroup crypto 19: */ 20: 21: #ifndef MGF1_H_ 22: #define MGF1_H_ 23: 24: typedef struct mgf1_t mgf1_t; 25: 26: #include "xof.h" 27: 28: /** 29: * Implements the PKCS#1 MGF1 Mask Generation Function based on a hash function 30: * defined in section 10.2.1 of RFC 2437 31: */ 32: struct mgf1_t { 33: 34: /** 35: * Generic xof_t interface for this Extended Output Function (XOF). 36: */ 37: xof_t xof_interface; 38: 39: /** 40: * Hash the seed before using it as a seed for MGF1 41: * 42: * @param yes TRUE if seed has to be hashed first 43: */ 44: void (*set_hash_seed)(mgf1_t *this, bool yes); 45: }; 46: 47: #endif /** MGF1_H_ @}*/