Author Archives: brainfold

Key Management Plan, though keys are widely used in various of domains like ATM, HSM, IPSec Tunnel, VPN Tunnels and many others, ways of managing those keys are not widely mentioned. Part of my role is to provide clients with … Continue reading →

I found this document on PIN Security and Key Management from controls and audit perspective… Billions of PIN activated transactions are switched through shared ATM and POS networks each year. Each of these transactions is originated using a debit or credit … Continue reading →

Concept Definition Accelerated Revocation A key revocation performed on a date sooner than the published key expiry date. Application The application protocol between the card and the terminal and its related set of data Application Authentication Cryptogram An Application Cryptogram … Continue reading →

Accronym Abbrevation 3DES Triple Data Encryption Standard AES Advanced Encryption Standard AWK Acquirer Working Key CDA Combined Data Authentication CMK Control Master Key CVK Card verification key CVV Card verification Value DCE Data Communication equipment DDA Dynamic Data Authentication DES … Continue reading →