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Historical
ANSI X9.24-2-2006 (R2013)
Retail Financial Services Symmetric Key Management Part 2: Using Asymmetric Techniques for the Distribution of Symmetric Keys
This part of ANS X9.24 covers the management of keying material used for financial services such as point of sale (POS) transactions, automatic teller machine (ATM) transactions, messages among terminals and financial institutions, and interchange messages among acquirers, switches and card issuers. The scope of this part of X9.24 may apply to Internet-based transactions, but only when such applications include the use of a TRSM (as defined in section 7.2 of ANS X9.24 Part 1) to protect the private and symmetric keys. This part of ANS X9.24 deals with management of symmetric keys using asymmetric techniques and storage of asymmetric private keys using symmetric keys. Additional parts may be created in the future to address other methods of key management.
Accredited Standards Committee, Inc. - Financial Industry Standards [ascx9]