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; version 2 of the License.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
20 #ifndef RSA_INTERNAL_H
21 #define RSA_INTERNAL_H
23 /* RSA Keys, includes both Private and Public key */
25 int bits; /* bits in key */
26 SilcMPInt n; /* modulus */
27 SilcMPInt e; /* public exponent */
28 SilcMPInt d; /* private exponent (no CRT) */
31 SilcMPInt dP; /* CRT, d mod p - 1 */
32 SilcMPInt dQ; /* CRT, d mod q - 1 */
33 SilcMPInt pQ; /* CRT, p * (p ^ -1 mod q) mod n */
34 SilcMPInt qP; /* CRT, q * (q ^ -1 mod p) mod n */
35 unsigned int pub_set : 1; /* TRUE if n and e is set */
36 unsigned int prv_set : 1; /* TRUE if d is set */
37 unsigned int crt : 1; /* TRUE if CRT is used */
40 bool rsa_generate_keys(RsaKey *key, SilcUInt32 bits,
41 SilcMPInt *p, SilcMPInt *q);
42 bool rsa_clear_keys(RsaKey *key);
43 bool rsa_public_operation(RsaKey *key, SilcMPInt *src, SilcMPInt *dst);
44 bool rsa_private_operation(RsaKey *key, SilcMPInt *src, SilcMPInt *dst);