System and method for processing attachments to messages sent to a mobile device
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United States of America Patent
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Nov 20, 2012
Grant Date -
Aug 23, 2012
app pub date -
Apr 30, 2012
filing date -
Sep 4, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for processing attachments to messages sent to a mobile device is described herein. Embodiments described herein apply to encrypted messages comprising multiple message parts, in which different encryption keys (e.g. session keys) have been used to encrypt the different message parts. In at least one example embodiment, the encrypted session keys for every message content part comprising an attachment is received at the mobile device. In one embodiment, all of the encrypted session keys are stored together in a main message header. The mobile device may then decrypt the encrypted session key associated with a user requested attachment, and transmits the decrypted session key to one or more remote servers in an attachment request for use in decrypting the requested attachment. Data associated with the requested attachment, in decrypted form, is returned to the mobile device.
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