emvlab.org
Updates in June 2017: For more details on updates to EMVLab, including HTTPS and better handling of 3-byte and unknown tags see my blog post.
Name Description Source Format Template Tag Length P/C
Application Transaction Counter (ATC) Counter maintained by the application in the ICC (incrementing the ATC is managed by the ICC) ICC b 77 or 80 9F36 2 primitive

back to search


https://emvlab.org/ – the one stop site for payment system researchers and practitioners – © 2009–2019

This site is run by Steven Murdoch and hosted by the Information Security Group at University College London. More details about the work we are doing can be found on our information security research blog: Bentham’s Gaze.

EMV® is a registered trademark of EMVCo LLC. This site and its operators are not affiliated or associated with or endorsed by EMVCo. All other trademarks and registered trademarks are the property of their respective owners.