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Diffstat (limited to 'cipher/elgamal.c')
-rw-r--r-- | cipher/elgamal.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/cipher/elgamal.c b/cipher/elgamal.c new file mode 100644 index 000000000..305e1db92 --- /dev/null +++ b/cipher/elgamal.c @@ -0,0 +1,61 @@ +/* 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 <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#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 ) +{ + +} + + + |