@Override
protected void runImpl() {
final KeyPairGenerator rsa;
try {
rsa = KeyPairGenerator.getInstance("RSA");
rsa.initialize(new RSAKeyGenParameterSpec(512, RSAKeyGenParameterSpec.F4));
} catch (GeneralSecurityException e) {
_log.fatal("Could not generate RSA key pairs!", e);
Shutdown.exit(TerminationStatus.ENVIRONMENT_MISSING_COMPONENT_OR_SERVICE);
return; // never happens
}
final int count =
Rnd.get(
RSA_KEY_PAIR_COUNT / 2,
RSA_KEY_PAIR_COUNT
* 3
/ 2); // so clients will never know if they have all of them or not
final KeyPair[] result = new KeyPair[count];
for (int i = 0; i < count; i++) result[i] = rsa.generateKeyPair();
_keyPairs = result;
}
/**
* Returns a RSA key pair.
*
* @return a key pair
*/
public KeyPair getKeyPair() {
return Rnd.get(getKeyPairs());
}