5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 2003 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
21 #ifndef RSA_INTERNAL_H
22 #define RSA_INTERNAL_H
24 /* RSA Keys, includes both Private and Public key */
26 int bits; /* bits in key */
27 SilcMPInt n; /* modulus */
28 SilcMPInt e; /* public exponent */
29 SilcMPInt d; /* private exponent (no CRT) */
32 SilcMPInt dP; /* CRT, d mod p - 1 */
33 SilcMPInt dQ; /* CRT, d mod q - 1 */
34 SilcMPInt pQ; /* CRT, p * (p ^ -1 mod q) mod n */
35 SilcMPInt qP; /* CRT, q * (q ^ -1 mod p) mod n */
36 unsigned int pub_set : 1; /* TRUE if n and e is set */
37 unsigned int prv_set : 1; /* TRUE if d is set */
38 unsigned int crt : 1; /* TRUE if CRT is used */
41 bool rsa_generate_keys(RsaKey *key, SilcUInt32 bits,
42 SilcMPInt *p, SilcMPInt *q);
43 bool rsa_clear_keys(RsaKey *key);
44 bool rsa_public_operation(RsaKey *key, SilcMPInt *src, SilcMPInt *dst);
45 bool rsa_private_operation(RsaKey *key, SilcMPInt *src, SilcMPInt *dst);