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Deriving the smart-card-specific authentication code z/OS Cryptographic Services ICSF Application Programmer's Guide SA22-7522-16 |
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To ensure that an original or replacement PIN is received from an authorized source, the EMV PIN-transport PIN-block incorporates an authentication code. The authentication code is the rightmost four bytes resulting from the ECB-mode triple-DES encryption of (the first) eight bytes of card-specific data (that is, the rightmost four bytes of the Unique DEA Key A). |
Copyright IBM Corporation 1990, 2014
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