cap:image and cap:audio

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emergency-msg message






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Subject: cap:image and cap:audio




From: "Pattinson, Brian E" <>
To: "''" <>
Date: Mon, 7 Jul 2003 15:04:03 -0500 






Title: cap:image and cap:audio





The spec as it stands carries audio files and images as references to the actual files.  While this reduces the size of the alert message, it has a disadvantage.  If the message is digitally signed, the protection this provides is not extended to the image/audio files.  So a hacker could replace the picture of a missing child with one of Mickey Mouse for example, and the security and validation mechanisms would not detect the alteration.

I suggest we may want to actually embed the files in the xml document (as Base64 encoded strings perhaps), so that the message integrity can be verified.

Thoughts/comments?


Regards,
Brian Pattinson
Unisys Corporation








Follow-Ups:

RE: [emergency-msg] cap:image and cap:audio
From: "Nasseam Elkarra" <>








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