+ * The `bits_len' specify the key length in bits. The `subject' is
+ * usually the email address of the user creating the key or some other
+ * similar subject name. Returns FALSE on error.
+ *
+ * EXAMPLE
+ *
+ * silc_ssh_generate_key("dsa", 1024, rng, "foo@example.com",
+ * &pubkey, &privkey);