ljacqu a3402d573f #358 Handle hash + salt as one "unit"
- Rename HashResult to EncryptedPassword to reflect its broader use
- Use EncryptedPassword in methods that require the hash and the salt, instead of passing them as strings separately
- Store EncryptedPassword as field in PlayerAuth; updatePassword() thus processes the entire data in the EncryptedPassword object
2015-12-30 17:56:22 +01:00

39 lines
1.3 KiB
Java

package fr.xephi.authme.security.crypts;
import fr.xephi.authme.security.crypts.description.Recommendation;
import fr.xephi.authme.security.crypts.description.Usage;
@Recommendation(Usage.RECOMMENDED)
public class XAUTH extends HexSaltedMethod {
private static String getWhirlpool(String message) {
WHIRLPOOL w = new WHIRLPOOL();
byte[] digest = new byte[WHIRLPOOL.DIGESTBYTES];
w.NESSIEinit();
w.NESSIEadd(message);
w.NESSIEfinalize(digest);
return WHIRLPOOL.display(digest);
}
@Override
public String computeHash(String password, String salt, String name) {
String hash = getWhirlpool(salt + password).toLowerCase();
int saltPos = (password.length() >= hash.length() ? hash.length() - 1 : password.length());
return hash.substring(0, saltPos) + salt + hash.substring(saltPos);
}
@Override
public boolean comparePassword(String password, EncryptedPassword encryptedPassword, String playerName) {
String hash = encryptedPassword.getHash();
int saltPos = (password.length() >= hash.length() ? hash.length() - 1 : password.length());
String saltFromHash = hash.substring(saltPos, saltPos + 12);
return hash.equals(computeHash(password, saltFromHash, null));
}
@Override
public int getSaltLength() {
return 12;
}
}