59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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* Copyright (C) 2014 FH Bielefeld
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*
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* This file is part of a FH Bielefeld project.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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/**
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* @file ntru_decrypt.h
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* This file holds the public API of decryption
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* of the pqc NTRU implementation and is
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* meant to be installed on the client system.
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* @brief public API, decryption
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*/
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#ifndef PUBLIC_NTRU_DECRYPT_H_
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#define PUBLIC_NTRU_DECRYPT_H_
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#include <ntru.h>
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#include <fmpz_poly.h>
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#include <fmpz.h>
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/**
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* Decryption of a given encrypted string.
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*
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* @param encr_msg the encrypted message in the form of a string
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* @param priv_key the polynomial containing the private key to decrypt
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* the message
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* @param priv_key_inv the inverse polynome to the private key
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* @param params the ntru_params
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* @return the decrypted string or NULL on failure
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*/
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string *
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ntru_decrypt_string(
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const string *encr_msg,
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const fmpz_poly_t priv_key,
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const fmpz_poly_t priv_key_inv,
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const ntru_params *params);
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#endif /* PUBLIC_NTRU_DECRYPT_H_ */
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