trsa2pub.c - plan9port - [fork] Plan 9 from user space
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       ---
       trsa2pub.c (652B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 #include <auth.h>
            4 #include <mp.h>
            5 #include <libsec.h>
            6 #include "rsa2any.h"
            7 
            8 void
            9 usage(void)
           10 {
           11         fprint(2, "usage: auth/rsa2pub [file]\n");
           12         exits("usage");
           13 }
           14 
           15 void
           16 main(int argc, char **argv)
           17 {
           18         RSApriv *key;
           19         Attr *a;
           20         char *s;
           21 
           22         fmtinstall('A', _attrfmt);
           23         fmtinstall('B', mpfmt);
           24         quotefmtinstall();
           25 
           26         ARGBEGIN{
           27         default:
           28                 usage();
           29         }ARGEND
           30 
           31         if(argc > 1)
           32                 usage();
           33 
           34         if((key = getkey(argc, argv, 0, &a)) == nil)
           35                 sysfatal("%r");
           36 
           37         s = smprint("key %A size=%d ek=%lB n=%lB\n",
           38                 a,
           39                 mpsignif(key->pub.n), key->pub.ek, key->pub.n);
           40         if(s == nil)
           41                 sysfatal("smprint: %r");
           42         write(1, s, strlen(s));
           43         exits(nil);
           44 }