[Cryptography] French credit card has time-varying CVC

Michael Kjörling michael at kjorling.se
Mon Oct 3 16:26:45 EDT 2016


On 3 Oct 2016 11:50 -0700, from hbaker1 at pipeline.com (Henry Baker):
> http://www.thememo.com/2016/09/27/oberthur-technologies-societe-generale-groupe-bpce-bank-this-high-tech-card-is-being-rolled-out-by-french-banks-to-eliminate-fraud/
> 
> By Oliver Smith 27 September 2016
> 
> The three digits on the back of this card will change, every hour, for three years.

So it's the CVC, not the PIN, that is time-variant. That's a pretty
big difference.

-- 
Michael Kjörling • https://michael.kjorling.semichael at kjorling.se
                 “People who think they know everything really annoy
                 those of us who know we don’t.” (Bjarne Stroustrup)


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