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55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/* rsa.h
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* Copyright (c) 1997 by Werner Koch (dd9jn)
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*
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* ATTENTION: This code should not be exported from the United States
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* nor should it be used their without a license agreement with PKP.
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* The RSA alorithm is protected by U.S. Patent #4,405,829 which
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* expires on September 20, 2000!
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*
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* This file is part of G10.
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*
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* G10 is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* G10 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef G10_RSA_H
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#define G10_RSA_H
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#include "mpi.h"
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typedef struct {
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MPI e; /* exponent */
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MPI n; /* modulus */
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} RSA_public_key;
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typedef struct {
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MPI e; /* public exponent */
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MPI n; /* public modulus */
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MPI p; /* prime p. */
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MPI q; /* prime q. */
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MPI d; /* exponent */
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MPI u; /* inverse of p mod q. */
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} RSA_secret_key;
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void rsa_free_public_key( RSA_public_key *pk );
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void rsa_free_secret_key( RSA_secret_key *sk );
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void rsa_generate( RSA_public_key *pk, RSA_secret_key *sk, unsigned nbits );
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int rsa_check_secret_key( RSA_secret_key *sk );
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void rsa_public(MPI output, MPI input, RSA_public_key *skey );
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void rsa_secret(MPI output, MPI input, RSA_secret_key *skey );
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#endif /*G10_RSA_H*/
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