2 ecdsa.c -- ECDSA key handling
3 Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
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 along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include "../system.h"
24 #define __MESHLINK_ECDSA_INTERNAL__
30 #include "../logger.h"
33 #include "../xalloc.h"
35 // Get and set ECDSA keys
37 ecdsa_t *ecdsa_set_base64_public_key(const char *p) {
41 logger(NULL, MESHLINK_ERROR, "Invalid size %d for public key!", len);
45 ecdsa_t *ecdsa = xzalloc(sizeof *ecdsa);
46 len = b64decode(p, ecdsa->public, len);
48 logger(NULL, MESHLINK_ERROR, "Invalid format of public key! len = %d", len);
56 char *ecdsa_get_base64_public_key(ecdsa_t *ecdsa) {
57 char *base64 = xmalloc(44);
58 b64encode(ecdsa->public, base64, sizeof ecdsa->public);
63 // Read PEM ECDSA keys
65 ecdsa_t *ecdsa_read_pem_public_key(FILE *fp) {
66 ecdsa_t *ecdsa = xzalloc(sizeof *ecdsa);
67 if(fread(ecdsa->public, sizeof ecdsa->public, 1, fp) == 1)
73 ecdsa_t *ecdsa_read_pem_private_key(FILE *fp) {
74 ecdsa_t *ecdsa = xmalloc(sizeof *ecdsa);
75 if(fread(ecdsa, sizeof *ecdsa, 1, fp) == 1)
81 size_t ecdsa_size(ecdsa_t *ecdsa) {
85 // TODO: standardise output format?
87 bool ecdsa_sign(ecdsa_t *ecdsa, const void *in, size_t len, void *sig) {
88 ed25519_sign(sig, in, len, ecdsa->public, ecdsa->private);
92 bool ecdsa_verify(ecdsa_t *ecdsa, const void *in, size_t len, const void *sig) {
93 return ed25519_verify(sig, in, len, ecdsa->public);
96 bool ecdsa_active(ecdsa_t *ecdsa) {
100 void ecdsa_free(ecdsa_t *ecdsa) {