/* generate an rsa secret key with same params as a public key */
static void*
rsa_genfrompk(void *vpub)
{
RSApub *pub;
pub = vpub;
return rsagen(mpsignif(pub->n), mpsignif(pub->ek), 0);
}
void
main(int argc, char **argv)
{
char *f[16];
int i;
Conn c;
fmtinstall('B', mpfmt);
fmtinstall('H', encodefmt);
atexit(atexitkiller);
atexitkill(getpid());
memset(&c, 0, sizeof c);
ARGBEGIN{
case 'D':
debuglevel = atoi(EARGF(usage()));
break;
case 'A':
authlist = EARGF(usage());
break;
case 'c':
cipherlist = EARGF(usage());
break;
default:
usage();
}ARGEND
if(argc != 1)
usage();
c.host = argv[0];
sshlog("connect from %s", c.host);
/* limit of 768 bits in remote host key? */
c.serverpriv = rsagen(768, 6, 0);
if(c.serverpriv == nil)
sysfatal("rsagen failed: %r");
c.serverkey = &c.serverpriv->pub;
c.nokcipher = getfields(cipherlist, f, nelem(f), 1, ", ");
c.okcipher = emalloc(sizeof(Cipher*)*c.nokcipher);
for(i=0; i<c.nokcipher; i++)
c.okcipher[i] = findcipher(f[i], allcipher, nelem(allcipher));
c.nokauthsrv = getfields(authlist, f, nelem(f), 1, ", ");
c.okauthsrv = emalloc(sizeof(Authsrv*)*c.nokauthsrv);
for(i=0; i<c.nokauthsrv; i++)
c.okauthsrv[i] = findauthsrv(f[i], allauthsrv, nelem(allauthsrv));
sshserverhandshake(&c);
fromnet(&c);
}
/* generate an rsa secret key */
static void*
rsa_gen(int len)
{
RSApriv *key;
for(;;){
key = rsagen(len, 6, 0);
if(mpsignif(key->pub.n) == len)
return key;
rsaprivfree(key);
}
}
