1*fb7f0c93SDavid du Colombier #include <u.h>
2*fb7f0c93SDavid du Colombier #include <libc.h>
3*fb7f0c93SDavid du Colombier #include <mp.h>
4*fb7f0c93SDavid du Colombier #include <libsec.h>
5*fb7f0c93SDavid du Colombier
6*fb7f0c93SDavid du Colombier void
usage(void)7*fb7f0c93SDavid du Colombier usage(void)
8*fb7f0c93SDavid du Colombier {
9*fb7f0c93SDavid du Colombier fprint(2, "usage: auth/rsagen [-b bits] [-t 'attr=value attr=value ...']\n");
10*fb7f0c93SDavid du Colombier exits("usage");
11*fb7f0c93SDavid du Colombier }
12*fb7f0c93SDavid du Colombier
13*fb7f0c93SDavid du Colombier void
main(int argc,char ** argv)14*fb7f0c93SDavid du Colombier main(int argc, char **argv)
15*fb7f0c93SDavid du Colombier {
16*fb7f0c93SDavid du Colombier char *s;
17*fb7f0c93SDavid du Colombier int bits;
18*fb7f0c93SDavid du Colombier char *tag;
19*fb7f0c93SDavid du Colombier RSApriv *key;
20*fb7f0c93SDavid du Colombier
21*fb7f0c93SDavid du Colombier bits = 1024;
22*fb7f0c93SDavid du Colombier tag = nil;
23*fb7f0c93SDavid du Colombier key = nil;
24*fb7f0c93SDavid du Colombier fmtinstall('B', mpfmt);
25*fb7f0c93SDavid du Colombier
26*fb7f0c93SDavid du Colombier ARGBEGIN{
27*fb7f0c93SDavid du Colombier case 'b':
28*fb7f0c93SDavid du Colombier bits = atoi(EARGF(usage()));
29*fb7f0c93SDavid du Colombier if(bits == 0)
30*fb7f0c93SDavid du Colombier usage();
31*fb7f0c93SDavid du Colombier break;
32*fb7f0c93SDavid du Colombier case 't':
33*fb7f0c93SDavid du Colombier tag = EARGF(usage());
34*fb7f0c93SDavid du Colombier break;
35*fb7f0c93SDavid du Colombier default:
36*fb7f0c93SDavid du Colombier usage();
37*fb7f0c93SDavid du Colombier }ARGEND
38*fb7f0c93SDavid du Colombier
39*fb7f0c93SDavid du Colombier if(argc != 0)
40*fb7f0c93SDavid du Colombier usage();
41*fb7f0c93SDavid du Colombier
42*fb7f0c93SDavid du Colombier do{
43*fb7f0c93SDavid du Colombier if(key)
44*fb7f0c93SDavid du Colombier rsaprivfree(key);
45*fb7f0c93SDavid du Colombier key = rsagen(bits, 6, 0);
46*fb7f0c93SDavid du Colombier }while(mpsignif(key->pub.n) != bits);
47*fb7f0c93SDavid du Colombier
48*fb7f0c93SDavid du Colombier s = smprint("key proto=rsa %s%ssize=%d ek=%B !dk=%B n=%B !p=%B !q=%B !kp=%B !kq=%B !c2=%B\n",
49*fb7f0c93SDavid du Colombier tag ? tag : "", tag ? " " : "",
50*fb7f0c93SDavid du Colombier mpsignif(key->pub.n), key->pub.ek,
51*fb7f0c93SDavid du Colombier key->dk, key->pub.n, key->p, key->q,
52*fb7f0c93SDavid du Colombier key->kp, key->kq, key->c2);
53*fb7f0c93SDavid du Colombier if(s == nil)
54*fb7f0c93SDavid du Colombier sysfatal("smprint: %r");
55*fb7f0c93SDavid du Colombier
56*fb7f0c93SDavid du Colombier if(write(1, s, strlen(s)) != strlen(s))
57*fb7f0c93SDavid du Colombier sysfatal("write: %r");
58*fb7f0c93SDavid du Colombier
59*fb7f0c93SDavid du Colombier exits(nil);
60*fb7f0c93SDavid du Colombier }
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