protected void initCipherFactories() {
List<Factory.Named<Cipher>> avail = new LinkedList<Factory.Named<Cipher>>(Arrays.<Factory.Named<Cipher>>asList(
new AES128CTR.Factory(),
new AES192CTR.Factory(),
new AES256CTR.Factory(),
new AES128CBC.Factory(),
new AES192CBC.Factory(),
new AES256CBC.Factory(),
new TripleDESCBC.Factory(),
new BlowfishCBC.Factory()));
boolean warn = false;
for (Iterator<Factory.Named<Cipher>> i = avail.iterator(); i.hasNext(); ) {
final Factory.Named<Cipher> f = i.next();
try {
final Cipher c = f.create();
final byte[] key = new byte[c.getBlockSize()];
final byte[] iv = new byte[c.getIVSize()];
c.init(Cipher.Mode.Encrypt, key, iv);
} catch (Exception e) {
warn = true;
i.remove();
}
}
if (warn)
log.warn("Disabling high-strength ciphers: cipher strengths apparently limited by JCE policy");
setCipherFactories(avail);
}