Annotation of embedaddon/strongswan/src/libstrongswan/plugins/ntru/ntru_trits.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2013-2016 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 ntru_trits ntru_trits
! 18: * @{ @ingroup ntru_p
! 19: */
! 20:
! 21: #ifndef NTRU_TRITS_H_
! 22: #define NTRU_TRITS_H_
! 23:
! 24: typedef struct ntru_trits_t ntru_trits_t;
! 25:
! 26: #include <library.h>
! 27: #include <crypto/xofs/xof.h>
! 28:
! 29: /**
! 30: * Implements an array of trinary elements (trits)
! 31: */
! 32: struct ntru_trits_t {
! 33:
! 34: /**
! 35: * Get the size of the trits array
! 36: *
! 37: * @return number of trinary elements
! 38: */
! 39: size_t (*get_size)(ntru_trits_t *this);
! 40:
! 41: /**
! 42: * @return octet array containing a trit per octet
! 43: */
! 44: uint8_t* (*get_trits)(ntru_trits_t *this);
! 45:
! 46: /**
! 47: * Destroy ntru_trits_t object
! 48: */
! 49: void (*destroy)(ntru_trits_t *this);
! 50: };
! 51:
! 52: /**
! 53: * Create a trits array from a seed using MGF1 with a base hash function
! 54: *
! 55: * @param size size of the trits array
! 56: * @param alg MGF1 algorithm used (XOF_MGF1_SHA1 or XOF_MGF_SHA256)
! 57: * @param seed seed used by MGF1 to generate trits from
! 58: */
! 59: ntru_trits_t *ntru_trits_create(size_t size, ext_out_function_t alg,
! 60: chunk_t seed);
! 61:
! 62: #endif /** NTRU_TRITS_H_ @}*/
! 63:
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