Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <mp.h>
#include <libsec.h>

void
usage(void)
{
        fprint(2, "usage: auth/dsagen [-t 'attr=value attr=value ...']\n");
        exits("usage");
}

void
main(int argc, char **argv)
{
        char *s, *tag;
        DSApriv *key;

        tag = nil;
        fmtinstall('B', mpfmt);

        ARGBEGIN{
        case 't':
                tag = EARGF(usage());
                break;
        default:
                usage();
        }ARGEND

        if(argc != 0)
                usage();

        key = dsagen(nil);

        s = smprint("key proto=dsa %s%sp=%B q=%B alpha=%B key=%B !secret=%B\n",
                tag ? tag : "", tag ? " " : "",
                key->pub.p, key->pub.q, key->pub.alpha, key->pub.key,
                key->secret);
        if(s == nil)
                sysfatal("smprint: %r");

        if(write(1, s, strlen(s)) != strlen(s))
                sysfatal("write: %r");
        
        exits(nil);
}