org.apache.juneau.ini.XorEncoder Maven / Gradle / Ivy
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// * *
// * http://www.apache.org/licenses/LICENSE-2.0 *
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package org.apache.juneau.ini;
import static org.apache.juneau.internal.StringUtils.*;
import static org.apache.juneau.internal.IOUtils.*;
/**
* Simply XOR+Base64 encoder for obscuring passwords and other sensitive data in INI config files.
*
*
* This is not intended to be used as strong encryption.
*/
public final class XorEncoder implements Encoder {
/** Reusable XOR-Encoder instance. */
public static final XorEncoder INSTANCE = new XorEncoder();
private static final String key = System.getProperty("org.apache.juneau.ini.XorEncoder.key",
"nuy7og796Vh6G9O6bG230SHK0cc8QYkH"); // The super-duper-secret key
@Override /* Encoder */
public String encode(String fieldName, String in) {
byte[] b = in.getBytes(UTF8);
for (int i = 0; i < b.length; i++) {
int j = i % key.length();
b[i] = (byte)(b[i] ^ key.charAt(j));
}
return base64Encode(b);
}
@Override /* Encoder */
public String decode(String fieldName, String in) {
byte[] b = base64Decode(in);
for (int i = 0; i < b.length; i++) {
int j = i % key.length();
b[i] = (byte)(b[i] ^ key.charAt(j));
}
return new String(b, UTF8);
}
}