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#include <u.h>
#include <libc.h>
#include <auth.h>
#include <mp.h>
#include <libsec.h>
#include "rsa2any.h"
int ssh2;
void
usage(void)
{
fprint(2, "usage: auth/rsa2ssh [-2] [-c comment] [file]\n");
exits("usage");
}
void
main(int argc, char **argv)
{
RSApriv *k;
char *comment;
fmtinstall('B', mpfmt);
fmtinstall('[', encodefmt);
comment = "";
ARGBEGIN{
case '2':
ssh2 = 1;
break;
case 'c':
comment = EARGF(usage());
break;
default:
usage();
}ARGEND
if(argc > 1)
usage();
if((k = getkey(argc, argv, 0, nil)) == nil)
sysfatal("%r");
if(ssh2){
uchar buf[8192], *p;
p = buf;
p = put4(p, 7);
p = putn(p, "ssh-rsa", 7);
p = putmp2(p, k->pub.ek);
p = putmp2(p, k->pub.n);
print("ssh-rsa %.*[ %s\n", p-buf, buf, comment);
}else
print("%d %.10B %.10B %s\n", mpsignif(k->pub.n), k->pub.ek,
k->pub.n, comment);
exits(nil);
}
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