A Secure Operational Model for Mobile Payments

Algorithm 4

An example of encrypted data in a purchase.

  ?xml version=“1.0” encoding=“utf-8” ?

− <transaction>

 − <account>

   − <xenc:EncryptedData xmlns:xenc=“http://www.w3.org/2001/04/xmlenc#”

   Type=“http://www.w3.org/2001/04/xmlenc#Content”>

    <xenc:EncryptionMethod Algorithm=“http://www.w3.org/2001/04/xmlenc#tripledes-cbc” />

    − <ds:KeyInfo xmlns:ds=“http://www.w3.org/2000/09/xmldsig#”>

      − <xenc:EncryptedKey>

         <xenc:EncryptionMethod Algorithm=“http://www.w3.org/2001/04/xmlenc#rsa-1_5” />

       − <xenc:CipherData>

          <xenc:CipherValue>cBXcYd5CeiEVinte7V3xSPIw43ggNIAy5pnjtcszPW/Ge+n6ciwEEA7HNGtUj0U8ghXfsDxWEDZ5

            mqIyqXj5WkyKKtayoFdsDeA45KCgumXiwohzP6DHJKHRAqHozn7CGMr2vvlgvj1Y/ZuZUkKKyVKu

            Kd9VEWLf4CgpUfNuV9g=</xenc:CipherValue>

         </xenc:CipherData>

       </xenc:EncryptedKey>

      </ds:KeyInfo>

    − <xenc:CipherData>

       <xenc:CipherValue>Lj8d3rAEJrFjYfYMpg65TA==</xenc:CipherValue>

    </xenc:CipherData>

   </xenc: EncryptedData >

 </account>

− <auth_no>

   − <xenc:EncryptedData xmlns:xenc=“http://www.w3.org/2001/04/xmlenc#”

   Type=“http://www.w3.org/2001/04/xmlenc#Content”>

      <xenc:EncryptionMethod Algorithm=“http://www.w3.org/2001/04/xmlenc#tripledes-cbc” />

    − <ds:KeyInfo xmlns:ds=“http://www.w3.org/2000/09/xmldsig#”>

       − <xenc:EncryptedKey>

          <xenc:EncryptionMethod Algorithm=“http://www.w3.org/2001/04/xmlenc#rsa-1_5” />

         − <xenc:CipherData>

             <xenc:CipherValue>cBXcYd5CeiEVinte7V3xSPIw43ggNIAy5pnjtcszPW/Ge+n6ciwEEA7HNG

             tUj0U8ghXfsDxWEDZ5

               mqIyqXj5WkyKKtayoFdsDeA45KCgumXiwohzP6DHJKHRAqHozn7CGMr2vvlgvj1Y/ZuZUkK

               KyVKu Kd9VEWLf4CgpUfNuV9g=</xenc:CipherValue>

         </xenc:CipherData>

       </xenc:EncryptedKey>

      </ds:KeyInfo>

    − <xenc:CipherData>

         <xenc:CipherValue>7vcyq0kX26uIB2GEHlVmhgmagkwHasvq</xenc:CipherValue>

      </xenc:CipherData>

    </xenc:EncryptedData>

</auth_no>

<serial_no>KV75372822</serial_no>

<amount>1827</amount>

<date>20130508</date>

<currency>NTD</currency>

<store_id>H000100001</store_id>

<store_name>amart hualien</store_name>

+ <details>

</transaction>