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strongswan/scripts/oid2der.c

62 lines
1.3 KiB

/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include <stdio.h>
#include <asn1/asn1.h>
/**
* convert string OID to DER encoding
*/
int main(int argc, char *argv[])
{
int i, nr = 0;
chunk_t oid;
char *decoded;
bool decode = FALSE;
if (streq(argv[1], "-d"))
{
decode = TRUE;
nr++;
}
while (argc > ++nr)
{
if (decode)
{
oid = chunk_from_hex(chunk_from_str(argv[nr]), NULL);
decoded = asn1_oid_to_string(oid);
printf("%s\n", decoded);
free(decoded);
free(oid.ptr);
continue;
}
oid = asn1_oid_from_string(argv[nr]);
if (oid.len)
{
for (i = 0; i < oid.len; i++)
{
printf("0x%02x,", oid.ptr[i]);
}
printf("\n");
free(oid.ptr);
}
else
{
return 1;
}
}
return 0;
}