/* elgamal.c - ElGamal Public Key encryption * Copyright (c) 1997 by Werner Koch (dd9jn) * * For a description of the algorithm, see: * Bruce Schneier: Applied Cryptography. John Wiley & Sons, 1996. * ISBN 0-471-11709-9. Pages 476 ff. * * This file is part of G10. * * G10 is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * G10 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #include #include #include #include #include "util.h" #include "mpi.h" #include "elgamal.h" /**************** * Public key operation. Encrypt INPUT with PKEY and put result into OUTPUT. * * * * Where c is OUTPUT, m is INPUT and e,n are elements of PKEY. */ void elg_public(MPI output, MPI input, ELG_public_key *pkey ) { } /**************** * Secret key operation. Encrypt INPUT with SKEY and put result into OUTPUT. * * * * Where m is OUTPUT, c is INPUT and d,n are elements of PKEY. */ void elg_secret(MPI output, MPI input, ELG_secret_key *skey ) { }