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- #include <u.h>
- #include <libc.h>
- #include <auth.h>
- #include <mp.h>
- #include <libsec.h>
- #include "rsa2any.h"
- void
- usage(void)
- {
- fprint(2, "usage: auth/dsa2ssh [-c comment] [file]\n");
- exits("usage");
- }
- void
- main(int argc, char **argv)
- {
- DSApriv *k;
- char *comment;
- uchar buf[8192], *p;
-
- fmtinstall('B', mpfmt);
- fmtinstall('[', encodefmt);
- comment = "";
- ARGBEGIN{
- case 'c':
- comment = EARGF(usage());
- break;
- default:
- usage();
- }ARGEND
- if(argc > 1)
- usage();
- if((k = getdsakey(argc, argv, 0, nil)) == nil)
- sysfatal("%r");
- p = buf;
- p = put4(p, 7);
- p = putn(p, "ssh-dss", 7);
- p = putmp2(p, k->pub.p);
- p = putmp2(p, k->pub.q);
- p = putmp2(p, k->pub.alpha);
- p = putmp2(p, k->pub.key);
- print("ssh-dss %.*[ %s\n", (int)(p - buf), buf, comment);
- exits(nil);
- }
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