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