Files
pcp/libpcp/keysig.c
2016-10-21 10:19:17 +02:00

76 lines
2.0 KiB
C

/*
This file is part of Pretty Curved Privacy (pcp1).
Copyright (C) 2013-2016 T.v.Dein.
This program 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 3 of the License, or
(at your option) any later version.
This program 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, see <http://www.gnu.org/licenses/>.
You can contact me by mail: <tom AT vondein DOT org>.
*/
#include "keysig.h"
void pcp_keysig2blob(Buffer *b, pcp_keysig_t *s) {
buffer_add8(b, s->type);
buffer_add32be(b, s->size);
buffer_add(b, s->id, 17);
buffer_add(b, s->checksum, LSHA);
buffer_add(b, s->blob, s->size);
}
Buffer *pcp_keysigblob(pcp_keysig_t *s) {
Buffer *b = buffer_new(256, "keysig2blob");
pcp_keysig2blob(b, s);
return b;
}
pcp_keysig_t *pcp_blob2keysig(Buffer *blob) {
pcp_keysig_t *sk = ucmalloc(sizeof(pcp_keysig_t));
uint8_t type = buffer_get8(blob);
uint32_t size = buffer_get32na(blob);
buffer_get_chunk(blob, sk->id, 17);
byte *checksum = ucmalloc(LSHA);
buffer_get_chunk(blob, checksum, LSHA);
sk->blob = ucmalloc(size);
buffer_get_chunk(blob, sk->blob, size);
sk->size = size;
sk->type = type;
memcpy(sk->checksum, checksum, LSHA);
ucfree(checksum, LSHA);
return sk;
}
void pcp_dumpkeysig(pcp_keysig_t *s) {
int i;
printf("Dumping pcp_sigkey_t raw values:\n");
printf(" type: 0x%02X\n", s->type);
printf(" size: %ld\n", (long int)s->size);
printf(" checksum: ");
for ( i = 0;i < LSHA;++i) printf("%02x",(unsigned int) s->checksum[i]);
printf("\n");
_dump(" blob:", s->blob, s->size);
}