Announcement of Proposal to Withdraw Special Publications 800-15, 800-25, and 800-32

In May 2021, NIST initiated a review of several publications, including the following NIST Special Publications (SP):


SP 800 15, MISPC Minimum Interoperability Specification for PKI Components, Version 1,
SP 800-25, Federal Agency Use of Public Key Technology for Digital Signatures and Authentication, and
SP 800-32, Introduction to Public Key Technology and the Federal PKI Infrastructure.

In response, NIST received public comments on SP 800-15 and on SP 800-32.


NIST proposes to withdraw all three publications. Public comments on this proposal may be submitted to cryptopubreviewboard [at] nist.gov by September 3, 2021.


Rationale for Proposed Decision


SP 800-15, Minimum Interoperability Specification for PKI Components (MISPC), Version 1, was published in January 1998 and was developed in cooperation with industry through a Cooperative Research and Development Agreement (CRADA). The document specifies information about the contents of certificates and CRLs and also specifies protocols for transactions between Public-Key Infrastructure (PKI) components. All of the information provided is now out-of-date.


SP 800-25, Federal Agency Use of Public Key Technology for Digital Signatures and Authentication, published in October 2000, was written at a time when the adoption of public-key technology within agencies was far more limited than it is today. The document was written before the issuance of Homeland Security Presidential Directive 12 (HSPD-12), w ..

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