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Subject: [CFRG] =?utf-8?b?562U5aSNOiAgSS1EIEFjdGlvbjogZHJhZnQtaXJ0Zi1j?= =?utf-8?q?frg-det-sigs-with-noise-03
From: Niu Danny <dannyniu () hotmail ! com>
Date: 2024-03-18 8:07:18
Message-ID: OS3P286MB1920C86EC1C61283A44089BAC12D2 () OS3P286MB1920 ! JPNP286 ! PROD ! OUTLOOK ! COM
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I found some inconsistencies between my implementation and -03 draft over the ECDSA \
P-384/SHAKE-256 KMAC-256 instance. I've updated test vectors and posted in the same \
GitHub issue.
发件人: John Mattsson <john.mattsson@ericsson.com>
日期: 星期一, 2024年3月18日 10:13
收件人: Niu Danny <dannyniu@hotmail.com>, cfrg@ietf.org <cfrg@ietf.org>
主题: Re: [CFRG] I-D Action: draft-irtf-cfrg-det-sigs-with-noise-03.txt
Thanks Danny!
We will upload a new version after Brisbane with test vectors.
Cheers,
John Preuß Mattsson
From: Niu Danny <dannyniu@hotmail.com>
Date: Sunday, 17 March 2024 at 20:26
To: John Mattsson <john.mattsson@ericsson.com>, cfrg@ietf.org <cfrg@ietf.org>
Subject: 答复: [CFRG] I-D Action: draft-irtf-cfrg-det-sigs-with-noise-03.txt
I've generated preliminary test vectors for the 6 most common instances of DSS \
algorithms. I've posted it on one of the GitHub issues for this draft: \
https://github.com/cfrg/draft-irtf-cfrg-det-sigs-with-noise/issues/11
发件人: CFRG <cfrg-bounces@irtf.org> 代表 John Mattsson \
<john.mattsson=40ericsson.com@dmarc.ietf.org> 日期: 星期六, 2024年3月16日 \
22:45 收件人: cfrg@ietf.org <cfrg@ietf.org>
主题: Re: [CFRG] I-D Action: draft-irtf-cfrg-det-sigs-with-noise-03.txt
Hi,
We have just uploaded version -03 of Hedged ECDSA and EdDSA Signatures.
- Several of the changes are due to Danny Niu who pointed out that different Zd and \
Zf are not compatible with HMAC_DRBG and that the output length recommendations for \
KMAC led to unecesary many iterations. Danny has also promised to provide test \
vectors. The plan is to provide test vectors on the form
MESSAGE = { }
SECRET KEY = { }
RANDOM DATA = { }
SIGNATURE = { }
which allows testing implementations. This has been requested by several people.
Changes from -02 to -03:
* Same randomness Z in step d and f to align with HMAC_DRBG.
* Changed Hedged EdDSA order to 0x00 || Z || dom2(F, C) instead of
dom2(F, C) || Z. This avoids collisions with RFC 8032 and aligns
with Bernstein's recommendation to put Z before the context.
* Changed KMAC output length recommendations to avoid multiple
invocations.
* Updates some text to align with the hedged signatures/signing
terminology.
* Added more description about the construction.
* Editorial changes.
Changes from -01 to -02:
* Different names Zd and Zf for the randomness in ECDSA.
* Added empty test vector section as TODO.
Cheers,
John Preuß Mattsson
From: CFRG <cfrg-bounces@irtf.org> on behalf of internet-drafts@ietf.org \
<internet-drafts@ietf.org>
Date: Sunday, 17 March 2024 at 00:23
To: i-d-announce@ietf.org <i-d-announce@ietf.org>
Cc: cfrg@ietf.org <cfrg@ietf.org>
Subject: [CFRG] I-D Action: draft-irtf-cfrg-det-sigs-with-noise-03.txt
Internet-Draft draft-irtf-cfrg-det-sigs-with-noise-03.txt is now available. It
is a work item of the Crypto Forum (CFRG) RG of the IRTF.
Title: Hedged ECDSA and EdDSA Signatures
Authors: John Preuß Mattsson
Erik Thormarker
Sini Ruohomaa
Name: draft-irtf-cfrg-det-sigs-with-noise-03.txt
Pages: 17
Dates: 2024-03-16
Abstract:
Deterministic elliptic-curve signatures such as deterministic ECDSA
and EdDSA have gained popularity over randomized ECDSA as their
security does not depend on a source of high-quality randomness.
Recent research, however, has found that implementations of these
signature algorithms may be vulnerable to certain side-channel and
fault injection attacks due to their deterministic nature. One
countermeasure to such attacks is hedged signatures where the
calculation of the per-message secret number includes both fresh
randomness and the message. This document updates RFC 6979 and RFC
8032 to recommend hedged constructions in deployments where side-
channel attacks and fault injection attacks are a concern. The
updates are invisible to the validator of the signature and
compatible with existing ECDSA and EdDSA validators.
The IETF datatracker status page for this Internet-Draft is:
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<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.5pt;font-family:DengXian">I found some inconsistencies between my \
implementation and -03 draft over the ECDSA P-384/SHAKE-256 KMAC-256 instance. I've \
updated test vectors and posted in the same GitHub issue.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.5pt;font-family:DengXian"><o:p> </o:p></span></p> <div \
id="mail-editor-reference-message-container"> <div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span \
style="font-family:宋体;color:black">发件人</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> John Mattsson \
<john.mattsson@ericsson.com><br> </span><b><span \
style="font-family:宋体;color:black">日期</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> </span><span \
style="font-family:宋体;color:black">星期一</span><span style="color:black">, \
2024</span><span style="font-family:宋体;color:black">年</span><span \
style="color:black">3</span><span \
style="font-family:宋体;color:black">月</span><span \
style="color:black">18</span><span \
style="font-family:宋体;color:black">日</span><span style="color:black"> \
10:13<br> </span><b><span \
style="font-family:宋体;color:black">收件人</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> Niu Danny \
<dannyniu@hotmail.com>, cfrg@ietf.org <cfrg@ietf.org><br> </span><b><span \
style="font-family:宋体;color:black">主题</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> Re: [CFRG] I-D Action: \
draft-irtf-cfrg-det-sigs-with-noise-03.txt<o:p></o:p></span></p> </div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks \
Danny!</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">We will upload a new version after Brisbane with test \
vectors.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">Cheers,</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">John Preuß Mattsson</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <div \
id="mail-editor-reference-message-container"> <div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Niu Danny <dannyniu@hotmail.com><br>
<b>Date: </b>Sunday, 17 March 2024 at 20:26<br>
<b>To: </b>John Mattsson <john.mattsson@ericsson.com>, cfrg@ietf.org \
<cfrg@ietf.org><br> <b>Subject: </b></span><span style="font-family:"MS \
Gothic";color:black">答复</span><span style="color:black">: [CFRG] I-D Action: \
draft-irtf-cfrg-det-sigs-with-noise-03.txt</span><o:p></o:p></p> </div>
<div>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.5pt;font-family:DengXian">I</span><span \
style="font-size:10.5pt;font-family:DengXian">'</span><span lang="EN-US" \
style="font-size:10.5pt;font-family:DengXian">ve generated preliminary test vectors \
for the 6 most common instances of DSS algorithms. I</span><span \
style="font-size:10.5pt;font-family:DengXian">'</span><span lang="EN-US" \
style="font-size:10.5pt;font-family:DengXian">ve posted it on one of the GitHub \
issues for this draft: <a \
href="https://github.com/cfrg/draft-irtf-cfrg-det-sigs-with-noise/issues/11">https://g \
ithub.com/cfrg/draft-irtf-cfrg-det-sigs-with-noise/issues/11</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.5pt;font-family:DengXian"> </span><o:p></o:p></p> <div \
id="mail-editor-reference-message-container"> <div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span \
style="font-family:宋体;color:black">发件人</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> CFRG \
<cfrg-bounces@irtf.org> </span><span \
style="font-family:宋体;color:black">代表</span><span style="color:black"> John \
Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org><br> </span><b><span \
style="font-family:宋体;color:black">日期</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> </span><span \
style="font-family:宋体;color:black">星期六</span><span style="color:black">, \
2024</span><span style="font-family:宋体;color:black">年</span><span \
style="color:black">3</span><span \
style="font-family:宋体;color:black">月</span><span \
style="color:black">16</span><span \
style="font-family:宋体;color:black">日</span><span style="color:black"> \
22:45<br> </span><b><span \
style="font-family:宋体;color:black">收件人</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> cfrg@ietf.org \
<cfrg@ietf.org><br> </span><b><span \
style="font-family:宋体;color:black">主题</span></b><b><span \
style="color:black">:</span></b><span style="color:black"> Re: [CFRG] I-D Action: \
draft-irtf-cfrg-det-sigs-with-noise-03.txt</span><o:p></o:p></p> </div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">Hi,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We have just uploaded version -03 \
of Hedged ECDSA and EdDSA Signatures.</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt">- Several of the changes are due to \
Danny Niu who pointed out that different Zd and Zf are not compatible with HMAC_DRBG \
and that the output length recommendations for KMAC led to unecesary many iterations. \
Danny has also promised to provide test vectors. The plan is to provide test vectors \
on the form</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">MESSAGE = { }</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt">SECRET KEY = { \
}</span><o:p></o:p></p> <p class="MsoNormal"><span style="font-size:11.0pt">RANDOM \
DATA = { }</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">SIGNATURE = { }</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt">which allows testing \
implementations. This has been requested by several people.</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt">Changes from -02 to \
-03:</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> * Same randomness Z in step d and f to \
align with HMAC_DRBG.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> * Changed Hedged EdDSA order to 0x00 || Z \
|| dom2(F, C) instead of</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> dom2(F, C) || Z. This \
avoids collisions with RFC 8032 and aligns</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> with \
Bernstein's recommendation to put Z before the context.</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> * Changed KMAC \
output length recommendations to avoid multiple</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> \
invocations.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> * Updates some text to align with the \
hedged signatures/signing</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> \
terminology.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> * Added more description about the \
construction.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> * Editorial \
changes.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> </span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt"> Changes from -01 to -02:</span><o:p></o:p></p> \
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> * Different names \
Zd and Zf for the randomness in ECDSA.</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> * Added empty \
test vector section as TODO.</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">Cheers,</span><o:p></o:p></p> <p class="MsoNormal"><span \
style="font-size:11.0pt">John Preuß Mattsson</span><o:p></o:p></p> <p \
class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p> <div \
id="mail-editor-reference-message-container"> <div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">CFRG <cfrg-bounces@irtf.org> on behalf of \
internet-drafts@ietf.org <internet-drafts@ietf.org><br> <b>Date: </b>Sunday, 17 \
March 2024 at 00:23<br> <b>To: </b>i-d-announce@ietf.org \
<i-d-announce@ietf.org><br> <b>Cc: </b>cfrg@ietf.org <cfrg@ietf.org><br>
<b>Subject: </b>[CFRG] I-D Action: \
draft-irtf-cfrg-det-sigs-with-noise-03.txt</span><o:p></o:p></p> </div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">Internet-Draft \
draft-irtf-cfrg-det-sigs-with-noise-03.txt is now available. It<br> is a work item of \
the Crypto Forum (CFRG) RG of the IRTF.<br> <br>
Title: Hedged ECDSA and EdDSA Signatures<br>
Authors: John Preuß Mattsson<br>
Erik \
Thormarker<br> \
Sini Ruohomaa<br> Name: \
draft-irtf-cfrg-det-sigs-with-noise-03.txt<br> Pages: 17<br>
Dates: 2024-03-16<br>
<br>
Abstract:<br>
<br>
Deterministic elliptic-curve signatures such as deterministic ECDSA<br>
and EdDSA have gained popularity over randomized ECDSA as their<br>
security does not depend on a source of high-quality randomness.<br>
Recent research, however, has found that implementations of these<br>
signature algorithms may be vulnerable to certain side-channel and<br>
fault injection attacks due to their deterministic nature. One<br>
countermeasure to such attacks is hedged signatures where the<br>
calculation of the per-message secret number includes both fresh<br>
randomness and the message. This document updates RFC 6979 and \
RFC<br> 8032 to recommend hedged constructions in deployments where \
side-<br> channel attacks and fault injection attacks are a \
concern. The<br> updates are invisible to the validator of the \
signature and<br> compatible with existing ECDSA and EdDSA \
validators.<br> <br>
The IETF datatracker status page for this Internet-Draft is:<br>
<a href="https://datatracker.ietf.org/doc/draft-irtf-cfrg-det-sigs-with-noise/">https: \
//eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc \
%2Fdraft-irtf-cfrg-det-sigs-with-noise%2F&data=05%7C02%7Cjohn.mattsson%40ericsson. \
com%7Cbb03fcc1644148aee00108dc45c4b5cc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C63 \
8461958362723970%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6I \
k1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=2tEDHm7Hafaxxrtyl8dblJyOGhf6KhtXhpwL5cQVYT8%3D&reserved=0</a><br>
<br>
There is also an HTML version available at:<br>
<a href="https://www.ietf.org/archive/id/draft-irtf-cfrg-det-sigs-with-noise-03.html"> \
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Farchi \
ve%2Fid%2Fdraft-irtf-cfrg-det-sigs-with-noise-03.html&data=05%7C02%7Cjohn.mattsson \
%40ericsson.com%7Cbb03fcc1644148aee00108dc45c4b5cc%7C92e84cebfbfd47abbe52080c6b87953f% \
7C0%7C0%7C638461958362730819%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luM \
zIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=7gqRE%2Bq1rv62472ZbFWNNHkb9%2FYK7kWSLwgN473KzEA%3D&reserved=0</a><br>
<br>
A diff from the previous version is available at:<br>
<a href="https://author-tools.ietf.org/iddiff?url2=draft-irtf-cfrg-det-sigs-with-noise \
-03">https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fauthor-tools.ie \
tf.org%2Fiddiff%3Furl2%3Ddraft-irtf-cfrg-det-sigs-with-noise-03&data=05%7C02%7Cjoh \
n.mattsson%40ericsson.com%7Cbb03fcc1644148aee00108dc45c4b5cc%7C92e84cebfbfd47abbe52080 \
c6b87953f%7C0%7C0%7C638461958362735971%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJ \
QIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=iU9Ri9FU4jCWTu60%2BIJLtkrJVGioFI6tZP4%2BrXQSUjE%3D&reserved=0</a><br>
<br>
Internet-Drafts are also available by rsync at:<br>
rsync.ietf.org::internet-drafts<br>
<br>
<br>
_______________________________________________<br>
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CFRG@irtf.org<br>
<a href="https://mailman.irtf.org/mailman/listinfo/cfrg">https://eur02.safelinks.prote \
ction.outlook.com/?url=https%3A%2F%2Fmailman.irtf.org%2Fmailman%2Flistinfo%2Fcfrg& \
data=05%7C02%7Cjohn.mattsson%40ericsson.com%7Cbb03fcc1644148aee00108dc45c4b5cc%7C92e84 \
cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638461958362740362%7CUnknown%7CTWFpbGZsb3d8eyJWI \
joiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=H \
v88eE2P%2Fbx8PDija6soUYgE%2Ft50POn2Oe3r3DzFpXA%3D&reserved=0</a></span><o:p></o:p></p>
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