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Where can I find CVK (Card Verification Key) on EMV card? All websites that allow you to calculate CVV require CVKa and CVKb, but I can't find them on smart card I also need the 3DES keys Does the data need to be read via PIN authentication or is it contained in the certificate? I searched online for complete file system information but nobody talks about CVK and 3DES keys Anyone know how to
Translate CVK from LMK reference to ZMK reference in THALES9000 0 I am trying to translate a CVK from LMK reference to ZMK reference in order to deliver it to an external party to be imported at their side I tried to do this using a console command like below: Firstly, I used the KA command to generate the encrypted CVKA CVKB I then tried KB command to translate these keys to ZMK reference
Calculate CVV from Credit card tracks? - Stack Overflow Can I calculate the CVV from the 3 credit card track data? When I scan a card, there is no CVV, just the number, name and service numbers that don't relate to anything else Ref: Parse Credit Card
Regular Expression for Credit Card Track Data - Stack Overflow Are there any known regular expressions out there to validate credit card track 1 and track 2 data? EDIT: From Wikipedia: The information on track 1 on financial cards is contained in several fo
Shard unassigned after failing to flush in elastic search But for now it very stable And there's no common errors in logs But 'cvk' shard become Unassigned when I add to many documents (more than 1000000) during short period of time (less then 60mins)
Generating a PVK for creating Offset in HSM - Stack Overflow I am pretty new to HSM Currently I need to integrate a HSM to my application for storing the PINs in secured fashion To do this I have to use the command DE to create offset of the encrypted PIN,
c - using auto variables for global scope - Stack Overflow Variables at top-level cannot be auto They should be either declared static, extern (definition elsewhere) or global (no keyword for that) This won't compile $ echo "auto int c;" > test c $ gcc -Wall -c test c test c:1:10: error: file-scope declaration of ‘a’ specifies ‘auto’
python - How to map two dataframe with output of overlapping items in . . . first str split and explode the column gems and reset_index to keep the original index Then for each column of df2, merge with the exploded gems, groupby the original index and do both the count and the aggregation as you want with join pd concat the merges for each column and join to your original df1 fillna the count columns with 0 as shown in the expected output