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1 #include <u.h>2 #include <libc.h>3 #include <auth.h>4 #include <mp.h>5 #include <libsec.h>6 #include "rsa2any.h"8 int ssh2;10 void11 usage(void)12 {13 fprint(2, "usage: auth/rsa2ssh [-2] [-c comment] [file]\n");14 exits("usage");15 }17 void18 main(int argc, char **argv)19 {20 RSApriv *k;21 char *comment;23 fmtinstall('B', mpfmt);24 fmtinstall('[', encodefmt);25 comment = "";26 ARGBEGIN{27 case '2':28 ssh2 = 1;29 break;30 case 'c':31 comment = EARGF(usage());32 break;33 default:34 usage();35 }ARGEND37 if(argc > 1)38 usage();40 if((k = getkey(argc, argv, 0, nil)) == nil)41 sysfatal("%r");43 if(ssh2){44 uchar buf[8192], *p;46 p = buf;47 p = put4(p, 7);48 p = putn(p, "ssh-rsa", 7);49 p = putmp2(p, k->pub.ek);50 p = putmp2(p, k->pub.n);51 print("ssh-rsa %.*[ %s\n", p-buf, buf, comment);52 }else53 print("%d %.10B %.10B %s\n", mpsignif(k->pub.n), k->pub.ek,54 k->pub.n, comment);55 exits(nil);56 }