59 lines
1.7 KiB
Java
59 lines
1.7 KiB
Java
package fr.xephi.authme.security.crypts;
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import java.math.BigInteger;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import fr.xephi.authme.AuthMe;
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/**
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*/
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public class SALTED2MD5 implements EncryptionMethod {
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/**
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* Method getHash.
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* @param password String
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* @param salt String
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* @param name String
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* @return String
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* @throws NoSuchAlgorithmException
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* @see fr.xephi.authme.security.crypts.EncryptionMethod#getHash(String, String, String)
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*/
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@Override
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public String getHash(String password, String salt, String name)
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throws NoSuchAlgorithmException {
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return getMD5(getMD5(password) + salt);
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}
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/**
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* Method comparePassword.
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* @param hash String
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* @param password String
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* @param playerName String
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* @return boolean
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* @throws NoSuchAlgorithmException
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* @see fr.xephi.authme.security.crypts.EncryptionMethod#comparePassword(String, String, String)
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*/
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@Override
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public boolean comparePassword(String hash, String password,
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String playerName) throws NoSuchAlgorithmException {
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String salt = AuthMe.getInstance().database.getAuth(playerName).getSalt();
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return hash.equals(getMD5(getMD5(password) + salt));
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}
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/**
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* Method getMD5.
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* @param message String
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* @return String
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* @throws NoSuchAlgorithmException
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*/
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private static String getMD5(String message)
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throws NoSuchAlgorithmException {
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MessageDigest md5 = MessageDigest.getInstance("MD5");
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md5.reset();
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md5.update(message.getBytes());
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byte[] digest = md5.digest();
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return String.format("%0" + (digest.length << 1) + "x", new BigInteger(1, digest));
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}
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}
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