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ASC X9 TR 31-2018

Interoperable Secure Key Exchange Key Block Specification.

TR 31 describes a method consistent with the requirements of ANS X9.24 Retail Financial Services Symmetric Key Management Part 1 for the secure exchange of keys and other sensitive data between two devices that share a symmetric key exchange key. This method may also be used for the storage of keys under asymmetric key. This document is not a security standard and is not intended to establish security requirements. It is intended instead to provide an interoperable method of implementing security requirements and policies.

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Accredited Standards Committee, Inc. - Financial Industry Standards [ASCX9]


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