一个非常简单的私有加密算法（java版）

public class ZYGEncrypt {
private static final byte[] enkeystore = {
0×08, 0×02, 0×0b, 0×0c, 0×01, 0×0a, 0×00, 0×0d, 0×07, 0×03, 0×0e,
0×05, 0×0f, 0×06, 0×04, 0×09
};

private static final byte[] dekeystore = {
0×06, 0×04, 0×01, 0×09, 0×0e, 0×0b, 0×0d, 0×08, 0×00, 0×0f, 0×05,
0×02, 0×03, 0×07, 0×0a, 0×0c
};

public static byte[] encode(byte[] data) {
byte[] result = new byte[data.length];

for (int i = 0; i < data.length; i++) {
result[i] += (enkeystore[(data[i] >>> 4) & 0×0F] << 4);
result[i] += (enkeystore[data[i] & 0×0F]);
}

return result;
}

public static byte[] decode(byte[] data) {
byte[] result = new byte[data.length];

for (int i = 0; i < data.length; i++) {
result[i] += (dekeystore[(data[i] >>> 4) & 0×0F] << 4);
result[i] += (dekeystore[data[i] & 0×0F]);
}

return result;
}

public static void main(String[] args) {
String data = “1″;
byte[] databyte = ZYGEncrypt.encode(data.getBytes());
byte[] resultdata = ZYGEncrypt.decode(databyte);
System.out.println(data);
System.out.println(new String(resultdata));
}
}