public String getSessionDerivationData() {
        return this.sessionDerivationData;
    }
<p>
The derivation value used to derive the ICC session key. It is typically the application transaction counter
value padded with zeros or previous ARQC value padded with zeros as per EMV version 4.3 book 2.
</p>

@return The derivation value used to derive the ICC session key. It is typically the application transaction
        counter value padded with zeros or previous ARQC value padded with zeros as per EMV version 4.3 book 2.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/EmvEncryptionAttributes.java