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RFC 9654
Title: Online Certificate Status Protocol (OCSP)
Nonce Extension
Author: H. Sharma, Ed.
Status: Standards Track
Stream: IETF
Date: August 2024
Mailbox: [email protected]
Pages: 13
Obsoletes: RFC 8954
Updates: RFC 6960
I-D Tag: draft-ietf-lamps-ocsp-nonce-update-11.txt
URL: https://www.rfc-editor.org/info/rfc9654
DOI: 10.17487/RFC9654
RFC 8954 imposed size constraints on the optional Nonce extension for
the Online Certificate Status Protocol (OCSP). OCSP is used to check
the status of a certificate, and the Nonce extension is used to
cryptographically bind an OCSP response message to a particular OCSP
request message.
Some environments use cryptographic algorithms that generate a Nonce
value that is longer than 32 octets. This document also modifies the
"Nonce" section of RFC 6960 to clearly define and differentiate the
encoding format and values for easier implementation and
understanding. This document obsoletes RFC 8954, which includes
updated ASN.1 modules for OCSP, and updates RFC 6960.
This document is a product of the Limited Additional Mechanisms for PKIX and
SMIME Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: 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 Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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