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Cc: rdd@cert.org, The IESG <iesg@ietf.org>, cose-chairs@ietf.org, rfc-editor@rfc-editor.org, Ivaylo Petrov <ivaylo@ackl.io>, draft-ietf-cose-hash-sig@ietf.org, cose@ietf.org, ivaylo@ackl.io
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Date: Thu, 02 Jan 2020 10:33:54 -0800
Archived-At: <https://mailarchive.ietf.org/arch/msg/cose/xUOw1f6gQ6Bg8Z7u57_VSQHJe1A>
Subject: [COSE] Protocol Action: 'Use of the HSS/LMS Hash-based Signature Algorithm with CBOR Object Signing and Encryption (COSE)' to Proposed Standard (draft-ietf-cose-hash-sig-09.txt)
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The IESG has approved the following document:
- 'Use of the HSS/LMS Hash-based Signature Algorithm with CBOR Object
   Signing and Encryption (COSE)'
  (draft-ietf-cose-hash-sig-09.txt) as Proposed Standard

This document is the product of the CBOR Object Signing and Encryption
Working Group.

The IESG contact persons are Benjamin Kaduk and Roman Danyliw.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-cose-hash-sig/





Technical Summary

   This document specifies the conventions for using the Hierarchical
   Signature System (HSS) / Leighton-Micali Signature (LMS) hash-based
   signature algorithm with the CBOR Object Signing and Encryption
   (COSE) syntax.  The HSS/LMS algorithm is one form of hash-based
   digital signature; it is described in RFC 8554.

Working Group Summary

    The document has undergone several revisions since WG last call. These revisions were
    needed to address comments from the last call and to update a reference to
    a draft that has since been published.

Document Quality

    There are no known implementations. This document specifies
    conventions for using HSS/LMS hash-based signature algorithm with COSE that
    are needed by other working groups. 

    Beyond normal WG processes, Jim Schaad and John Mattsson did an in-depth 
    reviews and had no substantive issues.

Personnel

    Document Shepherd: Ivaylo Petrov (COSE WG chair)
    AD: Roman Danyliw (Sec AD)


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From: Ivaylo Petrov <ivaylo@ackl.io>
Date: Wed, 8 Jan 2020 10:49:36 +0100
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Subject: [COSE] Review of draft-ietf-cose-x509-05
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--00000000000004e29f059b9dd10e
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[ Posting as an individual ]

Dear all,

This is my review of draft-ietf-cose-x509. Overall I believe the document
is nearly ready with a few nits and phrasings that can be improved as well
as one place where additional details could be beneficial in my opinion.

== Possibly more information could be beneficial

Section 2:
* I think some more information can be added to this sentence:
    As this header attribute implies a trust relationship, the

    attribute MUST be in the protected attributes.

== Nits:

Section 1:
* s/discussions where held/discussions were held/
    In the process of writing [RFC8152] discussions where held on the

    question of X.509 certificates [RFC5280] and if there was a needed to

    provide for them.

* Improve readability

    Since that time a number of cases where X.509

certificate support is necessary have been defined.

  - to be replaced by

    Since that time a number of cases have been defined where X.509

certificate support is necessary.

* Disambiguate situations

     Some of the constrained device situations are being used where an

    X.509 PKI is already installed.
  - to be replaced by
     Constrained devices are being used in some situations where an X.509
      PKI is already installed.

* I believe it is understandable, but for me "well understood" could be
misunderstood:

The use of certificates in this scenario allows for key management to be
used

   which is well understood.

- A possible alternative is:

    In this situation the use of certificates allows for key management
using those certificates, the properties of which are well understood.


Section 2:

* s/distributer/distributor/

  This validation can be done via the PKIX rules in

   [RFC5280] or by using a different trust structure, such as a trusted
   certificate distributoer for self-signed certificates.

* s/establish a trust/establish trust/

  If the application cannot establish

   a trust in the certificate, then it cannot be used.
* s/validation the/validation of the/

COSE_Signature and COSE_Sign0 objects, in these objects they

     identify the certificate to be used for validation of the signature.


Section 5:
* s/certificate validation/certificate validity/
    In any event, both the signature and certificate validity
     MUST be checked before acting on any requests.

Best regards,
Ivaylo

--00000000000004e29f059b9dd10e
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif;color:#0b5394"><div class=3D"gmail_default">[ Posting as an indi=
vidual ]<br></div><div class=3D"gmail_default"><br></div><div class=3D"gmai=
l_default">Dear all,</div><div class=3D"gmail_default"><br></div><div class=
=3D"gmail_default">This is my review of=C2=A0draft-ietf-cose-x509. Overall =
I believe the document is nearly ready with a few nits and phrasings that c=
an be improved as well as one place where additional details could be benef=
icial=C2=A0in my opinion.</div><div class=3D"gmail_default"><br></div><div =
class=3D"gmail_default">=3D=3D Possibly more information could be beneficia=
l</div><div class=3D"gmail_default"><br></div><div class=3D"gmail_default">=
Section 2:</div><div class=3D"gmail_default"><div class=3D"gmail_default"><=
font color=3D"#0b5394">* I think some more information can be added to this=
 sentence:</font></div><div class=3D"gmail_default">=C2=A0<span style=3D"ba=
ckground-color:transparent;color:rgb(0,0,0);font-family:Consolas,sans-serif=
;font-size:11pt;white-space:pre-wrap">=C2=A0=C2=A0=C2=A0As this header attr=
ibute implies a trust relationship, the</span></div><span id=3D"gmail-docs-=
internal-guid-ae4562f3-7fff-4341-f4cd-200d7792bd15"><p dir=3D"ltr" style=3D=
"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-siz=
e:11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);background-color:tr=
ansparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertic=
al-align:baseline;white-space:pre-wrap">=C2=A0=C2=A0=C2=A0=C2=A0attribute M=
UST be in the protected attributes.</span></p></span></div><div class=3D"gm=
ail_default"><br></div><div class=3D"gmail_default">=3D=3D Nits:</div><div =
class=3D"gmail_default"><br></div><div class=3D"gmail_default">Section 1:<b=
r></div><div class=3D"gmail_default">* s/discussions where held/discussions=
 were held/</div><div class=3D"gmail_default">=C2=A0 =C2=A0=C2=A0<span styl=
e=3D"color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-=
space:pre-wrap">In the process of writing [RFC8152] discussions <span style=
=3D"background-color:rgb(246,178,107)">w<strike>h</strike>ere</span> held o=
n the</span></div><span id=3D"gmail-docs-internal-guid-d460a1a8-7fff-f7ef-8=
85f-4f298efd181e"><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;m=
argin-bottom:0pt"><span style=3D"font-size:11pt;font-family:Consolas,sans-s=
erif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:nor=
mal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-=
wrap">=C2=A0=C2=A0=C2=A0  question of X.509 certificates [RFC5280] and if t=
here was a needed to</span></p><p dir=3D"ltr" style=3D"line-height:1.38;mar=
gin-top:0pt;margin-bottom:0pt"><span style=3D"font-size:11pt;font-family:Co=
nsolas,sans-serif;color:rgb(0,0,0);background-color:transparent;font-varian=
t-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;whi=
te-space:pre-wrap">=C2=A0=C2=A0=C2=A0  provide for them.</span></p><p style=
=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">* Improve readabilit=
y<br></p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bot=
tom:0pt">=C2=A0 =C2=A0=C2=A0<span style=3D"background-color:transparent;col=
or:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-space:pr=
e-wrap">Since that </span><span style=3D"background-color:transparent;color=
:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-space:pre-=
wrap">time a number of cases</span><span style=3D"color:rgb(0,0,0);font-fam=
ily:Consolas,sans-serif;font-size:11pt;white-space:pre-wrap"> where X.509 <=
/span></p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bo=
ttom:0pt"><span style=3D"color:rgb(0,0,0);font-family:Consolas,sans-serif;f=
ont-size:11pt;white-space:pre-wrap">     certificate support is necessary<s=
trike style=3D"background-color:rgb(246,178,107)"> </strike></span><span st=
yle=3D"color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;whit=
e-space:pre-wrap"><strike style=3D"background-color:rgb(246,178,107)">have =
been defined</strike>.</span></p><p dir=3D"ltr" style=3D"line-height:1.38;m=
argin-top:0pt;margin-bottom:0pt">=C2=A0 - to be replaced by<span style=3D"c=
olor:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-space:=
pre-wrap"><br></span></p><p dir=3D"ltr" style=3D"line-height:1.38;margin-to=
p:0pt;margin-bottom:0pt">=C2=A0 =C2=A0=C2=A0<span style=3D"background-color=
:transparent;color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11p=
t;white-space:pre-wrap">Since that </span><span style=3D"background-color:t=
ransparent;color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;=
white-space:pre-wrap">time a number of cases </span><span style=3D"color:rg=
b(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-space:pre-wra=
p;background-color:rgb(246,178,107)">have been defined</span><span style=3D=
"color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-spac=
e:pre-wrap"> where X.509 </span></p><p dir=3D"ltr" style=3D"line-height:1.3=
8;margin-top:0pt;margin-bottom:0pt"><span style=3D"color:rgb(0,0,0);font-fa=
mily:Consolas,sans-serif;font-size:11pt;white-space:pre-wrap">     certific=
ate support is necessary</span><span style=3D"color:rgb(0,0,0);font-family:=
Consolas,sans-serif;font-size:11pt;white-space:pre-wrap">.</span></p><p sty=
le=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">* Disambiguate sit=
uations<br></p><p style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0p=
t">=C2=A0 =C2=A0 =C2=A0<span style=3D"background-color:transparent;color:rg=
b(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-space:pre-wra=
p">Some of the constrained device situations are being used where an</span>=
</p><span id=3D"gmail-docs-internal-guid-27bb303c-7fff-3851-3915-81c20f6a56=
e6"><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0=
pt"><span style=3D"font-size:11pt;font-family:Consolas,sans-serif;color:rgb=
(0,0,0);background-color:transparent;font-variant-numeric:normal;font-varia=
nt-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">=C2=A0=
=C2=A0=C2=A0   X.509 PKI is already installed.</span></p></span>=C2=A0 - to=
 be replaced by</span></div><div class=3D"gmail_default" style=3D"font-fami=
ly:verdana,sans-serif"><font color=3D"#000000">=C2=A0 =C2=A0 =C2=A0<span st=
yle=3D"font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:=
14px;letter-spacing:0.2px">Constrained devices are being used in some situa=
tions where an X.509=C2=A0</span></font></div><div class=3D"gmail_default" =
style=3D"font-family:verdana,sans-serif"><span style=3D"font-family:Roboto,=
RobotoDraft,Helvetica,Arial,sans-serif;font-size:14px;letter-spacing:0.2px"=
><font color=3D"#000000">=C2=A0 =C2=A0 =C2=A0 PKI is already installed.</fo=
nt></span><br class=3D"gmail-Apple-interchange-newline"><p style=3D"color:r=
gb(11,83,148);line-height:1.38;margin-top:0pt;margin-bottom:0pt">* I believ=
e it is understandable, but for me &quot;well understood&quot; could be mis=
understood:<br></p><p dir=3D"ltr" style=3D"color:rgb(11,83,148);line-height=
:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"background-color:tra=
nsparent;color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;wh=
ite-space:pre-wrap">     The use of </span><span style=3D"background-color:=
transparent;color:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt=
;white-space:pre-wrap">certificates in this scenario allows for key managem=
ent to be used</span><br></p><span id=3D"gmail-docs-internal-guid-c9ff5a10-=
7fff-57a8-b231-078fb1e19543" style=3D""><p dir=3D"ltr" style=3D"color:rgb(1=
1,83,148);line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D=
"font-size:11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);background=
-color:transparent;font-variant-numeric:normal;font-variant-east-asian:norm=
al;vertical-align:baseline;white-space:pre-wrap">  =C2=A0=C2=A0=C2=A0which =
is well understood.</span></p><p style=3D"color:rgb(11,83,148);line-height:=
1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-size:11pt;font-f=
amily:Consolas,sans-serif;color:rgb(0,0,0);background-color:transparent;fon=
t-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:base=
line;white-space:pre-wrap">   - </span>A possible alternative is:</p><p sty=
le=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size=3D"1" s=
tyle=3D"" color=3D"#000000">=C2=A0 =C2=A0 In this situation the use of cert=
ificates allows for key management using those certificates, the properties=
 of which are well understood.=C2=A0</font></p><p style=3D"color:rgb(11,83,=
148);line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p style=3D=
"color:rgb(11,83,148);line-height:1.38;margin-top:0pt;margin-bottom:0pt">Se=
ction 2:=C2=A0 =C2=A0<br></p></span><p style=3D"color:rgb(11,83,148);line-h=
eight:1.38;margin-top:0pt;margin-bottom:0pt">* s/distributer/distributor/<b=
r></p><p style=3D"color:rgb(11,83,148);line-height:1.38;margin-top:0pt;marg=
in-bottom:0pt">=C2=A0=C2=A0<span style=3D"background-color:transparent;colo=
r:rgb(0,0,0);font-family:Consolas,sans-serif;font-size:11pt;white-space:pre=
-wrap">This validation can be done via the PKIX rules in</span></p><span id=
=3D"gmail-docs-internal-guid-e99d3d12-7fff-f10c-f3e8-b0ceb7f99357"><p dir=
=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span =
style=3D"font-size:11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);ba=
ckground-color:transparent;font-variant-numeric:normal;font-variant-east-as=
ian:normal;vertical-align:baseline;white-space:pre-wrap">=C2=A0=C2=A0=C2=A0=
[RFC5280] or by using a different trust structure, such as a trusted</span>=
</p><span style=3D"font-size:11pt;font-family:Consolas,sans-serif;color:rgb=
(0,0,0);background-color:transparent;font-variant-numeric:normal;font-varia=
nt-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">=C2=A0=
=C2=A0=C2=A0certificate </span><span style=3D"font-size:11pt;font-family:Co=
nsolas,sans-serif;color:rgb(0,0,0);background-color:transparent;font-varian=
t-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;whi=
te-space:pre-wrap">distribut</span><span style=3D"font-size:11pt;font-famil=
y:Consolas,sans-serif;color:rgb(0,0,0);font-variant-numeric:normal;font-var=
iant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap;backgro=
und-color:rgb(246,178,107)">o<strike>e</strike></span><span style=3D"font-s=
ize:11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);background-color:=
transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vert=
ical-align:baseline;white-space:pre-wrap">r</span><span style=3D"font-size:=
11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);background-color:tran=
sparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical=
-align:baseline;white-space:pre-wrap"> for self-signed certificates.</span>=
</span><p style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span=
 style=3D"color:rgb(11,83,148)">* </span><font color=3D"#0b5394">s/establis=
h=C2=A0a trust/establish=C2=A0trust/</font></p><p style=3D"line-height:1.38=
;margin-top:0pt;margin-bottom:0pt"><font color=3D"#0b5394">=C2=A0=C2=A0</fo=
nt><span style=3D"background-color:transparent;color:rgb(0,0,0);font-family=
:Consolas,sans-serif;font-size:11pt;white-space:pre-wrap">If the applicatio=
n cannot establish</span></p><span id=3D"gmail-docs-internal-guid-532bacc3-=
7fff-ec20-51c3-e6fc3e5917b4"><p dir=3D"ltr" style=3D"line-height:1.38;margi=
n-top:0pt;margin-bottom:0pt"><span style=3D"font-size:11pt;font-family:Cons=
olas,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-=
numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white=
-space:pre-wrap">=C2=A0=C2=A0=C2=A0</span><span style=3D"font-size:11pt;fon=
t-family:Consolas,sans-serif;color:rgb(0,0,0);font-variant-numeric:normal;f=
ont-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap;=
background-color:rgb(246,178,107)"><strike>a</strike> </span><span style=3D=
"font-size:11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);background=
-color:transparent;font-variant-numeric:normal;font-variant-east-asian:norm=
al;vertical-align:baseline;white-space:pre-wrap">trust in the certificate, =
then it cannot be used.</span></p></span><font color=3D"#0b5394"></font></d=
iv><span class=3D"gmail_default" style=3D"font-family:verdana,sans-serif;co=
lor:rgb(11,83,148)">* s/validation the/validation of the/<br></span><span i=
d=3D"gmail-docs-internal-guid-71776f9a-7fff-a75d-a95b-7854af41a8a5"><p dir=
=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span =
style=3D"font-size:11pt;font-family:Consolas,sans-serif;color:rgb(0,0,0);ba=
ckground-color:transparent;font-variant-numeric:normal;font-variant-east-as=
ian:normal;vertical-align:baseline;white-space:pre-wrap"><span class=3D"gma=
il_default" style=3D"font-family:verdana,sans-serif;color:rgb(11,83,148)"> =
    </span>COSE_Signature and COSE_Sign0 objects, in these objects they</sp=
an></p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-botto=
m:0pt"><span style=3D"font-size:11pt;font-family:Consolas,sans-serif;font-v=
ariant-numeric:normal;font-variant-east-asian:normal;vertical-align:baselin=
e;white-space:pre-wrap"><font color=3D"#000000" style=3D"background-color:t=
ransparent">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0identify the certificate to be us=
ed for <span class=3D"gmail_default" style=3D"font-family:verdana,sans-seri=
f;color:rgb(11,83,148)"></span>validation </font><span class=3D"gmail_defau=
lt" style=3D"background-color:transparent;color:rgb(11,83,148);font-family:=
verdana,sans-serif"></span><span class=3D"gmail_default" style=3D"font-fami=
ly:verdana,sans-serif;background-color:rgb(246,178,107)"><font color=3D"#00=
0000" style=3D"">of </font></span><span class=3D"gmail_default" style=3D"ba=
ckground-color:transparent;color:rgb(11,83,148);font-family:verdana,sans-se=
rif"></span><font color=3D"#000000" style=3D"background-color:transparent">=
the signature.</font></span></p></span><span class=3D"gmail_default" style=
=3D"font-family:verdana,sans-serif"><p style=3D"color:rgb(11,83,148);line-h=
eight:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p style=3D"color:rgb(=
11,83,148);line-height:1.38;margin-top:0pt;margin-bottom:0pt">Section 5:=C2=
=A0 =C2=A0<font color=3D"#0b5394"></font><br></p></span><div><span class=3D=
"gmail_default" style=3D"font-family:verdana,sans-serif"><font color=3D"#0b=
5394">* s/<span style=3D"background-color:transparent;font-family:Consolas,=
sans-serif;white-space:pre-wrap">certificate validation/</span>certificate =
validity/</font><br>=C2=A0 =C2=A0 <font size=3D"1">In any event, both the s=
ignature and certificate <span style=3D"background-color:rgb(246,178,107)">=
validity</span><br>=C2=A0 =C2=A0 =C2=A0MUST be checked before acting on any=
 requests.</font><br><font color=3D"#0b5394"></font></span><div><div class=
=3D"gmail_default" style=3D"font-family:verdana,sans-serif"><p dir=3D"ltr" =
style=3D"color:rgb(11,83,148);line-height:1.38;margin-top:0pt;margin-bottom=
:0pt">Best regards,<br>Ivaylo</p></div></div></div></div>

--00000000000004e29f059b9dd10e--


From nobody Wed Jan 15 06:44:27 2020
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Subject: [COSE] cose - New Meeting Session Request for IETF 107
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A new meeting session request has just been submitted by Ivaylo Petrov, a Chair of the cose working group.


---------------------------------------------------------
Working Group Name: CBOR Object Signing and Encryption
Area Name: Security Area
Session Requester: Ivaylo Petrov

Number of Sessions: 1
Length of Session(s):  1 Hour
Number of Attendees: 60
Conflicts to Avoid: 
 Chair Conflict:  core dispatch lamps lpwan saag secdispatch t2trg
 Technology Overlap: cfrg rats teep
 Key Participant Conflict: ace cbor


People who must be present:
  Matthew A. Miller
  Benjamin Kaduk
  Ivaylo Petrov

Resources Requested:

Special Requests:
  
---------------------------------------------------------


From nobody Sun Jan 19 22:16:42 2020
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To: Derek Atkins <datkins@veridify.com>, cose@ietf.org
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Subject: Re: [COSE] draft-atkins-suit-cose-walnutdsa on the Independent Stream
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Hi Derek,

Section 6.1 of draft-atkins-suit-cose-walnutdsa-02 has the following: 
"Value between -256 to 256 to be assigned ..."  Shouldn't it be "255" 
instead of "256"?

Regards,
S. Moonesamy


From nobody Sun Jan 26 23:50:33 2020
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Subject: [COSE] I-D Action: draft-ietf-cose-webauthn-algorithms-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the CBOR Object Signing and Encryption WG of the IETF.

        Title           : COSE and JOSE Registrations for WebAuthn Algorithms
        Author          : Michael B. Jones
	Filename        : draft-ietf-cose-webauthn-algorithms-04.txt
	Pages           : 13
	Date            : 2020-01-26

Abstract:
   The W3C Web Authentication (WebAuthn) specification and the FIDO
   Alliance Client to Authenticator Protocol (CTAP) specification use
   CBOR Object Signing and Encryption (COSE) algorithm identifiers.
   This specification registers the following algorithms in the IANA
   "COSE Algorithms" registry, which are used by WebAuthn and CTAP
   implementations: RSASSA-PKCS1-v1_5 using SHA-256, SHA-384, SHA-512,
   and SHA-1, and ECDSA using the secp256k1 curve and SHA-256.  It
   registers the secp256k1 elliptic curve in the IANA "COSE Elliptic
   Curves" registry.  Also, for use with JSON Object Signing and
   Encryption (JOSE), it registers the algorithm ECDSA using the
   secp256k1 curve and SHA-256 in the IANA "JSON Web Signature and
   Encryption Algorithms" registry and the secp256k1 elliptic curve in
   the IANA "JSON Web Key Elliptic Curve" registry.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-cose-webauthn-algorithms/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-cose-webauthn-algorithms-04
https://datatracker.ietf.org/doc/html/draft-ietf-cose-webauthn-algorithms-04

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-cose-webauthn-algorithms-04


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Mon Jan 27 02:55:57 2020
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From: Mike Jones <Michael.Jones@microsoft.com>
To: "cose@ietf.org" <cose@ietf.org>
Thread-Topic: COSE and JOSE Registrations for WebAuthn Algorithms spec adding explanatory comments on design decisions
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cose/4vwVh14Zjkt2VZQYE17MT5Q-qOo>
Subject: [COSE] COSE and JOSE Registrations for WebAuthn Algorithms spec adding explanatory comments on design decisions
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The "COSE and JOSE Registrations for WebAuthn Algorithms" specification has=
 been updated to add explanatory comments on design decisions made that wer=
e discussed on the mailing list that Jim Schaad requested be added to the d=
raft.

The specification is available at:

  *   https://tools.ietf.org/html/draft-ietf-cose-webauthn-algorithms-04

An HTML-formatted version is also available at:

  *   https://self-issued.info/docs/draft-ietf-cose-webauthn-algorithms-04.=
html

                                                       -- Mike

P.S.  This notice was also posted at https://self-issued.info/?p=3D2039 and=
 as @selfissued<https://twitter.com/selfissued>.



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<div class=3D"WordSection1">
<p class=3D"MsoNormal">The &#8220;COSE and JOSE Registrations for WebAuthn =
Algorithms&#8221; specification has been updated to add explanatory comment=
s on design decisions made that were discussed on the mailing list that Jim=
 Schaad requested be added to the draft.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The specification is available at:<o:p></o:p></p>
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<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
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4</a><o:p></o:p></li></ul>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">An HTML-formatted version is also available at:<o:p>=
</o:p></p>
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<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
lfo1"><a href=3D"https://self-issued.info/docs/draft-ietf-cose-webauthn-alg=
orithms-04.html">https://self-issued.info/docs/draft-ietf-cose-webauthn-alg=
orithms-04.html</a><o:p></o:p></li></ul>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Mike<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">P.S.&nbsp; This notice was also posted at <a href=3D=
"https://self-issued.info/?p=3D2039">
https://self-issued.info/?p=3D2039</a> and as <a href=3D"https://twitter.co=
m/selfissued">
@selfissued</a>.<o:p></o:p></p>
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Subject: [COSE] WGLC of draft-ietf-cose-webauthn-algorithms ENDED
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Dear all,

The working group last call for [WebAuthn] has ended; thank you to
everyone that commented.

The latest revisions appear to address all of the comments received,
and no objections were raised.  We will soon be completing the
shepherd writeup for this document and requesting publication.

- Matthew and Ivaylo
COSE Chairs

[WebAuthn]: https://datatracker.ietf.org/doc/draft-ietf-cose-webauthn-algorithms/


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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the CBOR Object Signing and Encryption WG of the IETF.

        Title           : COSE and JOSE Registrations for WebAuthn Algorithms
        Author          : Michael B. Jones
	Filename        : draft-ietf-cose-webauthn-algorithms-05.txt
	Pages           : 13
	Date            : 2020-01-29

Abstract:
   The W3C Web Authentication (WebAuthn) specification and the FIDO
   Alliance Client to Authenticator Protocol (CTAP) specification use
   CBOR Object Signing and Encryption (COSE) algorithm identifiers.
   This specification registers the following algorithms in the IANA
   "COSE Algorithms" registry, which are used by WebAuthn and CTAP
   implementations: RSASSA-PKCS1-v1_5 using SHA-256, SHA-384, SHA-512,
   and SHA-1, and ECDSA using the secp256k1 curve and SHA-256.  It
   registers the secp256k1 elliptic curve in the IANA "COSE Elliptic
   Curves" registry.  Also, for use with JSON Object Signing and
   Encryption (JOSE), it registers the algorithm ECDSA using the
   secp256k1 curve and SHA-256 in the IANA "JSON Web Signature and
   Encryption Algorithms" registry and the secp256k1 elliptic curve in
   the IANA "JSON Web Key Elliptic Curve" registry.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-cose-webauthn-algorithms/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-cose-webauthn-algorithms-05
https://datatracker.ietf.org/doc/html/draft-ietf-cose-webauthn-algorithms-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-cose-webauthn-algorithms-05


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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