public void setEncryptionKeyIdentifier(String encryptionKeyIdentifier) {
        this.encryptionKeyIdentifier = encryptionKeyIdentifier;
    }
<p>
The <code>keyARN</code> of the PEK that Amazon Web Services Payment Cryptography uses to encrypt the PIN Block.
</p>

@param encryptionKeyIdentifier
       The <code>keyARN</code> of the PEK that Amazon Web Services Payment Cryptography uses to encrypt the PIN
       Block.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/GeneratePinDataRequest.java