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X9 TR-31-2005
M00009412
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X9 TR-31-2005 Interoperable Secure Key Exchange Key Block Specification for Symmetric Algorithms, Includes Supplement (2009)
standard by Accredited Standards Committee X9 Incorporated, 09/01/2005
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Full Description
This document 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 a symmetric key. This method is designed to operate within the existing capabilities of devices used in the retail financial services industry. 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.About the 2009 supplement:
This supplement contains clarifications to the proper usage of keys utilized to protect the key block defined in TR-31. TR-31 should be read with these clarifications taken into account.