init project...

Signed-off-by: 502647092 <jtb1@163.com>

src/main/java/fr/xephi/authme/security/crypts/DOUBLEMD5.java

@@ -0,0 +1,27 @@
+package fr.xephi.authme.security.crypts;
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class DOUBLEMD5 implements EncryptionMethod {
+
+	private static String getMD5(String message) throws NoSuchAlgorithmException {
+		MessageDigest md5 = MessageDigest.getInstance("MD5");
+		md5.reset();
+		md5.update(message.getBytes());
+		byte[] digest = md5.digest();
+		return String.format("%0" + (digest.length << 1) + "x", new BigInteger(1, digest));
+	}
+
+	@Override
+	public boolean comparePassword(String hash, String password, String playerName) throws NoSuchAlgorithmException {
+		return hash.equals(getHash(password, "", ""));
+	}
+
+	@Override
+	public String getHash(String password, String salt, String name) throws NoSuchAlgorithmException {
+		return getMD5(getMD5(password));
+	}
+
+}