draft-ietf-httpbis-message-signatures-07.txt   draft-ietf-httpbis-message-signatures-latest.txt 
HTTP Working Group A. Backman, Ed. HTTP Working Group A. Backman, Ed.
Internet-Draft Amazon Internet-Draft Amazon
Intended status: Standards Track J. Richer Intended status: Standards Track J. Richer
Expires: June 23, 2022 Bespoke Engineering Expires: July 6, 2022 Bespoke Engineering
M. Sporny M. Sporny
Digital Bazaar Digital Bazaar
December 20, 2021 January 02, 2022
HTTP Message Signatures HTTP Message Signatures
draft-ietf-httpbis-message-signatures-07 draft-ietf-httpbis-message-signatures-latest
Abstract Abstract
This document describes a mechanism for creating, encoding, and This document describes a mechanism for creating, encoding, and
verifying digital signatures or message authentication codes over verifying digital signatures or message authentication codes over
components of an HTTP message. This mechanism supports use cases components of an HTTP message. This mechanism supports use cases
where the full HTTP message may not be known to the signer, and where where the full HTTP message may not be known to the signer, and where
the message may be transformed (e.g., by intermediaries) before the message may be transformed (e.g., by intermediaries) before
reaching the verifier. This document also describes a means for reaching the verifier. This document also describes a means for
requesting that a signature be applied to a subsequent HTTP message requesting that a signature be applied to a subsequent HTTP message
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on June 23, 2022. This Internet-Draft will expire on July 6, 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2022 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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line folding. line folding.
X-Empty-Header: X-Empty-Header:
Cache-Control: max-age=60 Cache-Control: max-age=60
Cache-Control: must-revalidate Cache-Control: must-revalidate
X-Dictionary: a=1, b=2;x=1;y=2, c=(a b c) X-Dictionary: a=1, b=2;x=1;y=2, c=(a b c)
The following example shows canonicalized values for these example The following example shows canonicalized values for these example
header fields, presented using the signature input string format header fields, presented using the signature input string format
discussed in Section 2.3: discussed in Section 2.3:
"cache-control": max-age=60, must-revalidate| "cache-control": max-age=60, must-revalidate
"date": Tue, 07 Jun 2014 20:51:35 GMT| "date": Tue, 07 Jun 2014 20:51:35 GMT
"host": www.example.com| "host": www.example.com
"x-empty-header": "x-empty-header":
"x-obs-fold-header": Obsolete line folding. "x-obs-fold-header": Obsolete line folding.
"x-ows-header":Leading and trailing whitespace. "x-ows-header": Leading and trailing whitespace.
"x-dictionary": a=1, b=2;x=1;y=2, c=(a b c) "x-dictionary": a=1, b=2;x=1;y=2, c=(a b c)
"x-dictionary";sf: a=1, b=2;x=1;y=2, c=(a b c) "x-dictionary";sf: a=1, b=2;x=1;y=2, c=(a b c)
2.1.3. Dictionary Structured Field Members 2.1.3. Dictionary Structured Field Members
An individual member in the value of a Dictionary Structured Field is An individual member in the value of a Dictionary Structured Field is
identified by using the parameter "key" to indicate the member key as identified by using the parameter "key" to indicate the member key as
an "sf-string" value. an "sf-string" value.
An individual member in the value of a Dictionary Structured Field is An individual member in the value of a Dictionary Structured Field is
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Palmer, Lucas Pardue, Roberto Polli, Julian Reschke, Michael Palmer, Lucas Pardue, Roberto Polli, Julian Reschke, Michael
Richardson, Wojciech Rygielski, Adam Scarr, Cory J. Slep, Dirk Richardson, Wojciech Rygielski, Adam Scarr, Cory J. Slep, Dirk
Stein, Henry Story, Lukasz Szewc, Chris Webber, and Jeffrey Yasskin. Stein, Henry Story, Lukasz Szewc, Chris Webber, and Jeffrey Yasskin.
Document History Document History
_RFC EDITOR: please remove this section before publication_ _RFC EDITOR: please remove this section before publication_
o draft-ietf-httpbis-message-signatures o draft-ietf-httpbis-message-signatures
* -08
+ Editorial fixes.
* -07 * -07
+ Added security and privacy considerations. + Added security and privacy considerations.
+ Added pointers to algorithm values from definition sections. + Added pointers to algorithm values from definition sections.
+ Expanded IANA registry sections. + Expanded IANA registry sections.
+ Clarified that the signing and verification algorithms take + Clarified that the signing and verification algorithms take
application requirements as inputs. application requirements as inputs.
 End of changes. 8 change blocks. 
9 lines changed or deleted 13 lines changed or added

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