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        RFC 3161

        Title:      Internet X.509 Public Key Infrastructure
                    Time-Stamp Protocol (TSP)
        Author(s):  C. Adams, P. Cain, D. Pinkas, R. Zuccherato
        Status:     Standards Track
        Date:       August 2001
        Mailbox:    cadams@entrust.com, pcain@bbn.com,
        Pages:      26
        Characters: 54582
        Obsoletes/Updates/SeeAlso:    None

        I-D Tag:    draft-ietf-pkix-time-stamp-15.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3161.txt

This document describes the format of a request sent to a Time
Stamping Authority (TSA) and of the response that is returned.  It
also establishes several security-relevant requirements for TSA
operation, with regards to processing requests to generate responses.

This document is a product of the Public-Key Infrastructure (C.509)
Working Group of the IETF.

This is now a Proposed Standard Protocol.

This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol.  Distribution
of this memo is unlimited.

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