com.android.vending.licensing
Class AESObfuscator
java.lang.Object
com.android.vending.licensing.AESObfuscator
- All Implemented Interfaces:
- Obfuscator
public class AESObfuscator
- extends java.lang.Object
- implements Obfuscator
An Obfuscator that uses AES to encrypt data.
Constructor Summary |
AESObfuscator(byte[] salt,
java.lang.String applicationId,
java.lang.String deviceId)
|
Method Summary |
java.lang.String |
obfuscate(java.lang.String original)
Obfuscate a string that is being stored into shared preferences. |
java.lang.String |
unobfuscate(java.lang.String obfuscated)
Undo the transformation applied to data by the obfuscate() method. |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
AESObfuscator
public AESObfuscator(byte[] salt,
java.lang.String applicationId,
java.lang.String deviceId)
- Parameters:
salt
- an array of random bytes to use for each (un)obfuscationapplicationId
- application identifier, e.g. the package namedeviceId
- device identifier. Use as many sources as possible to
create this unique identifier.
obfuscate
public java.lang.String obfuscate(java.lang.String original)
- Description copied from interface:
Obfuscator
- Obfuscate a string that is being stored into shared preferences.
- Specified by:
obfuscate
in interface Obfuscator
- Parameters:
original
- The data that is to be obfuscated.
- Returns:
- A tranformed version of the original data.
unobfuscate
public java.lang.String unobfuscate(java.lang.String obfuscated)
throws ValidationException
- Description copied from interface:
Obfuscator
- Undo the transformation applied to data by the obfuscate() method.
- Specified by:
unobfuscate
in interface Obfuscator
- Returns:
- A tranformed version of the original data.
- Throws:
ValidationException
- Optionally thrown if a data integrity check fails.