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/*
* SPDX-License-Identifier: GPL-3.0-only
* Copyright (c) 2019 Bjørn Mork <bjorn@mork.no>
*/
package no.mork.android.defogger;
import android.util.Base64;
import android.util.Log;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
public class Util {
private static String msg = "Defogger Util: ";
public static Map<String,String> splitKV(String kv, String splitter)
{
Map<String,String> ret = new HashMap();
if (kv != null)
for (String s : kv.split(splitter)) {
String[] foo = s.split("=");
ret.put(foo[0], foo[1]);
}
return ret;
}
public static String calculateKey(String in) {
MessageDigest md5Hash = null;
try {
md5Hash = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
Log.d(msg, "Exception while encrypting to md5");
}
byte[] bytes = in.getBytes(StandardCharsets.UTF_8);
md5Hash.update(bytes, 0, bytes.length);
String ret = Base64.encodeToString(md5Hash.digest(), Base64.DEFAULT);
return ret.substring(0, 16);
}
public static UUID UUIDfromInt(long uuid) {
return new UUID(uuid << 32 | 0x1000 , 0x800000805f9b34fbL);
}
}
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