After registering you can retrieve customer data by callid. Remember that to get the card data you need to apply for Visa to enable the FULL recovery of customer data (dataLevel) because you have no power to enable it.
Take me long to figure it out and the documentation is incomplete on this request.
If you are using Java, documentation code for decrypting is also incomplete, it is missing a method called decryptPayload. It exists in other languages except Java example.
Include this method with the code documentation. It is by this method you will decryptar.
public static byte[] decryptPayload(byte[] key, byte[] wrappedKey, byte[] payload) throws GeneralSecurityException {
byte[] unwrappedKey = decrypt(key, wrappedKey);
return decrypt(unwrappedKey, payload);
}
Example:
String sharedSecret = "YOUR_SHARED_SECRET";
String encKey = "YOUR_ENC_KEY";
String encPaymentData = "YOUR_ENC_PAYMENT";
decryptPayload(sharedSecret.getBytes(), encKey.getBytes(), encPaymentData.getBytes());Could be more destado to really draw attention to something that is necessary for operation.
Another point that could be better explained is that to work in Java need "Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy files".
Could be more prominent to really draw attention to something that is necessary for operation.
Download the file "Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files" (could be a link to the Oracle site for each version of Java) and unzip the content "${java.home}/jre/lib/security/ ".
Yet another point related to Java payload decrypt is that the method returns an object of type "byte []" and when it is converted to a "String", the content is a string in XML format.
Could return an object as "PayloadDecrypted" already as a mapped XML class, to facilitate the way to recover the decrypted data.
