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ANSI X9.24-2-2021
Retail Financial Services Symmetric Key Management - Part 2: Using Asymmetric Techniques for the Distribution of Symmetric Keys
This part of ANS X9.24 establishes requirements and guidelines for the secure management and application-level interoperability of such automated keying operations. This part of this standard addresses symmetric keys managed with asymmetric keys, and asymmetric keys managed with symmetric keys (as in the storage of private keys encrypted with a symmetric master key for storage as cryptograms on a local database). This part of ANS X9.24 does NOT address using asymmetric keys to encrypt the Personal Identification Number (PIN) and does NOT address asymmetric keys managed with asymmetric keys.
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Accredited Standards Committee, Inc. - Financial Industry Standards [ascx9]
