Secure message handling on a mobile device

Details Secure message handling on a mobile device Secure message handling on a mobile device

H - Electricity

04

W

H04W 12/00 (2009.01) H04W 4/12 (2009.01) H04L 9/00 (2006.01)

Patent

CA 2595345

Systems, methods, and software for providing digital security to a child message transmitted from a mobile device to a messaging server, where the mobile device typically does not transmit the parent message with the child message to the messaging server. Whether to apply digital security, such as encryption or a digital signature, or both, is determined, and if the mobile device does not include a complete copy of a parent message for insertion into the child message, the mobile device selectively downloads the parent message from the messaging server prior to the computation of a digital signature or prior to encryption. The systems and methods may also provide a check of the child message size, when the child message includes inserted parent content, to ensure that the child message does not exceed any prescribed limits on message size.

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