2 rsagen.c -- RSA key generation and export
3 Copyright (C) 2008 Guus Sliepen <guus@tinc-vpn.org>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <openssl/pem.h>
25 #include <openssl/err.h>
30 /* This function prettyprints the key generation process */
32 static void indicator(int a, int b, void *p) {
49 fprintf(stderr, " p\n");
53 fprintf(stderr, " q\n");
68 bool rsa_generate(rsa_t *rsa, size_t bits, unsigned long exponent) {
69 *rsa = RSA_generate_key(bits, exponent, indicator, NULL);
76 bool rsa_write_pem_public_key(rsa_t *rsa, FILE *fp) {
77 PEM_write_RSAPublicKey(fp, *rsa);
82 bool rsa_write_pem_private_key(rsa_t *rsa, FILE *fp) {
83 PEM_write_RSAPrivateKey(fp, *rsa, NULL, NULL, 0, NULL, NULL);