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#include <u.h>
#include <libc.h>
#include <auth.h>
#include <mp.h>
#include <libsec.h>
#include "rsa2any.h"
int privatekey = 0;
void
usage(void)
{
fprint(2, "usage: auth/rsa2asn1 [-a] [file]\n");
exits("usage");
}
void
main(int argc, char **argv)
{
uchar buf[16*1024];
RSApriv *k;
int n;
ARGBEGIN{
case 'a':
privatekey = 1;
break;
default:
usage();
}ARGEND
if(argc > 1)
usage();
if((k = getrsakey(argc, argv, privatekey, nil)) == nil)
sysfatal("%r");
if(privatekey){
if((n = asn1encodeRSApriv(k, buf, sizeof(buf))) < 0)
sysfatal("asn1encodeRSApriv: %r");
}else{
if((n = asn1encodeRSApub(&k->pub, buf, sizeof(buf))) < 0)
sysfatal("asn1encodeRSApub: %r");
}
if(write(1, buf, n) != n)
sysfatal("write: %r");
exits(nil);
}
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