Encrypting Character Content

 <PaymentInfo>

    <Name>Ivan Herman</Name>

    <CreditCard>

       <Name>VISA</Name>

       <Number>4567 8901 2345 5678</Number>

       <Expiration>01 01</Expiration>

    </CreditCard>

 </PaymentInfo>

Can be encrypted as:

 <PaymentInfo>

    <Name>Ivan Herman</Name>

    <CreditCard>

       <Name>VISA</Name>

       <Number>

          <EncryptedData Type="http://www.w3.org/…/xmlenc#Content"

              xmnls="http://www.w3.org/2001/04/xmlenc#">

             <CipherData>

                <CipherValue>QEK^SD27</CipherValue>

             </CipherData>

          </EncryptedData>

       </Number>

       <Expiration>01 01</Expiration>

    </CreditCard>

 </PaymentInfo>