public byte[] saltKey(Key key) {
MessageDigest md = SHA256.getMessageDigest();
md.update(key.getRoutingKey());
md.update(globalSalt);
byte[] ret = md.digest();
SHA256.returnMessageDigest(md);
return ret;
}
public static ClientKSK create(String keyword) {
MessageDigest md256 = SHA256.getMessageDigest();
try {
byte[] keywordHash;
try {
keywordHash = md256.digest(keyword.getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
MersenneTwister mt = new MersenneTwister(keywordHash);
DSAPrivateKey privKey = new DSAPrivateKey(Global.DSAgroupBigA, mt);
DSAPublicKey pubKey = new DSAPublicKey(Global.DSAgroupBigA, privKey);
byte[] pubKeyHash = md256.digest(pubKey.asBytes());
try {
return new ClientKSK(keyword, pubKeyHash, pubKey, privKey, keywordHash);
} catch (MalformedURLException e) {
throw new Error(e);
}
} finally {
SHA256.returnMessageDigest(md256);
}
}