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ASC X9 ANSI X9.24-3-2017

Retail Financial Services Symmetric Key Management - Part 3: Derived Unique Key Per Transaction
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ASC X9 ANSI X9.24-3-2017

Retail Financial Services Symmetric Key Management - Part 3: Derived Unique Key Per Transaction

PUBLISH DATE 2017
ASC X9 ANSI X9.24-3-2017
This part of the standard describes the AES DUKPT algorithm (Derived Unique Key Per Transaction), which uses a Base Derivation Key (BDK) to derive unique per device initial keys for transaction originating SCDs, and derive unique per transaction working keys from the initial keys based on the transaction number. Working keys can be used for a variety of functions, such as encryption of PINs, data or other keys, for derivation of other keys, for message authentication, etc. AES DUKPT supports the derivation of AES-128, AES-192, AES-256, and double and triple length TDEA keys from AES-128, AES-192, and AES-256 BDKs
SDO ASC X9: Accredited Standards Committee X9, Inc.
Document Number X9.24-3
Publication Date Jan. 1, 2017
Language en - English
Page Count
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Jan. 1, 2017 Revision