Wireshark-bugs: [Wireshark-bugs] [Bug 8547] New: Support for Atmel's CryptoRF protocol
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sun, 31 Mar 2013 21:27:19 +0000
Bug ID 8547
Summary Support for Atmel's CryptoRF protocol
Classification Unclassified
Product Wireshark
Version SVN
Hardware All
OS All
Status UNCONFIRMED
Severity Enhancement
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter tyson.key@gmail.com 

Created attachment 10515 [details]
An initial version of a "stub" dissector for the CryptoRF protocol

Build Information:
SVN Revision 48664
--
The attached patch implements a basic dissector for Atmel's CryptoRF
protocol/command set, as used by a range of ISO/IEC 14443-B-based RFID tokens.

It currently identifies the commands mentioned in the data sheet at
http://www.atmel.com/images/atmel-5276-cryptorf-at88sc0808crf-1616crf-3216crf-6416crf-at88rf04c_datasheet.pdf
- however, since the protocol makes heavy use of masked bits, and I am
currently unfamiliar with dealing with them, the CID (Card Identifier) portion
of the opcode byte is undissected.

Additionally, extra work is necessary on my part, in order to actually dissect
the rest of the content of pertinent packets.

I've also updated the build files, and updated the PN532 dissector to handle
encapsulated Host -> Token/Chipset CryptoRF packets accordingly.

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