diff options
Diffstat (limited to 'cipher/elgamal.h')
-rw-r--r-- | cipher/elgamal.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/cipher/elgamal.h b/cipher/elgamal.h new file mode 100644 index 000000000..3b6317599 --- /dev/null +++ b/cipher/elgamal.h @@ -0,0 +1,45 @@ +/* elgamal.h + * Copyright (c) 1997 by Werner Koch (dd9jn) + * + * 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 + */ +#ifndef G10_ELGAMAL_H +#define G10_ELGAMAL_H + +#include "mpi.h" + +typedef struct { + MPI e; /* exponent */ + MPI n; /* modulus */ +} ELG_public_key; + + +typedef struct { + MPI e; /* public exponent */ + MPI n; /* public modulus */ + MPI p; /* prime p. */ + MPI q; /* prime q. */ + MPI d; /* exponent */ + MPI u; /* inverse of p mod q. */ +} ELG_secret_key; + + +void elg_public(MPI output, MPI input, ELG_public_key *skey ); +void elg_secret(MPI output, MPI input, ELG_secret_key *skey ); + + +#endif /*G10_ELGAMAL_H*/ |