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System and method for processing encoded messages for exchange with a mobile data communication device

  • US 9,172,540 B2
  • Filed: 08/02/2013
  • Issued: 10/27/2015
  • Est. Priority Date: 06/12/2001
  • Status: Expired due to Fees
First Claim
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1. A method of processing an encoded message at a host system before the message is transmitted to a computing device, the method comprising:

  • receiving at the host system the encoded message from a message sender addressed to a plurality of message receivers, wherein the encoded message comprises a digital signature and a message body;

    determining whether any of the message receivers has a corresponding computing device; and

    for each message receiver that has a corresponding computing device;

    processing the message to modify the message with respect to an authentication aspect in order to reduce a size of the encoded message, wherein the processing of the encoded message includes verifying the digital signature and rearranging the digital signature in the encoded message;

    transmitting the processed message to the computing device that corresponds to the message receiver; and

    transmitting to the computing device an indication of the digital signature verification status.

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