[lsd0001] branch master updated: SHA normative references

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martin-schanzenbach pushed a commit to branch master
in repository lsd0001.

The following commit(s) were added to refs/heads/master by this push:
     new 471008d  SHA normative references
471008d is described below

commit 471008defde3dc8067a8aba1f3d589809362efa2
Author: Martin Schanzenbach <schanzen@gnunet.org>
AuthorDate: Tue Jan 25 22:29:37 2022 +0100

    SHA normative references
---
 draft-schanzen-gns.xml | 46 ++++++++++++++++++++++++++++------------------
 1 file changed, 28 insertions(+), 18 deletions(-)

diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index 708ccf3..60c6cd7 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -940,8 +940,8 @@ zk' := (h mod L) * zk
         ]]></artwork>
        <t>
          The PKEY cryptosystem uses a hash-based key derivation function 
(HKDF) as defined in
-         <xref target="RFC5869" />, using HMAC-SHA512 for the extraction
-         phase and HMAC-SHA256 for the expansion phase.
+         <xref target="RFC5869" />, using SHA-512 <xref target="SHS"/> for the 
extraction
+         phase and SHA-256 <xref target="SHS"/> for the expansion phase.
          PRK_h is key material retrieved using an HKDF using the string
          "key-derivation" as salt and the zone key as initial
          keying material.
@@ -978,8 +978,8 @@ NONCE := HKDF-Expand (PRK_n, label, 32 / 8)
 ]]></artwork>
        <t>
          HKDF is a hash-based key derivation function as defined in
-         <xref target="RFC5869" />. Specifically, HMAC-SHA512 is used for the
-         extraction phase and HMAC-SHA256 for the expansion phase.
+         <xref target="RFC5869" />. Specifically, SHA-512 <xref target="SHS"/> 
is used for the
+         extraction phase and SHA-256 <xref target="SHS"/> for the expansion 
phase.
          The output keying material is 32 bytes (256 bits) for the symmetric
          key and 4 bytes (32 bits) for the nonce.
          The symmetric key K is a 256-bit AES <xref target="RFC3826" /> key.
@@ -1058,7 +1058,7 @@ NONCE := HKDF-Expand (PRK_n, label, 32 / 8)
            </dd>
            <dt>a</dt>
            <dd>
-             is is an integer derived from d using the SHA512 hash function
+             is is an integer derived from d using the SHA-512 hash function
              as defined in <xref target="ed25519" />.
            </dd>
            <dt>zk</dt>
@@ -1066,7 +1066,7 @@ NONCE := HKDF-Expand (PRK_n, label, 32 / 8)
              is the EdDSA public key corresponding to d. It is defined in
              Section 3.2 of <xref target="RFC8032" /> as the curve point a*G 
where G is the
              group generator of the elliptic curve and a is an integer
-             derived from d using the SHA512 hash function.
+             derived from d using the SHA-512 hash function.
              This generation including the derivation of a represents the
              Public-KeyGen(d) function.
            </dd>
@@ -1123,8 +1123,8 @@ zk' := h * zk
          <t>
            The EDKEY cryptosystem uses a
            hash-based key derivation function (HKDF) as defined in
-           <xref target="RFC5869" />, using HMAC-SHA512 for the extraction
-           phase and HMAC-SHA256 for the expansion phase.
+           <xref target="RFC5869" />, using SHA-512 <xref target="SHS"/> for 
the extraction
+           phase and HMAC-SHA256 <xref target="SHS"/> for the expansion phase.
            PRK_h is key material retrieved using an HKDF using the string
            "key-derivation" as salt and the zone key as initial
            keying material.
@@ -1157,17 +1157,17 @@ zk' := h * zk
            for two different derivation paths or messages.
          </t>
          <artwork name="" type="" align="left" alt=""><![CDATA[
-dh := SHA512 (d)
-nonce := SHA256 (dh[32..63] | h)
-r := SHA512 (nonce | M)
+dh := SHA-512 (d)
+nonce := SHA-256 (dh[32..63] | h)
+r := SHA-512 (nonce | M)
 R := r * G
-S := r + SHA512(R | zk' | M) * a' mod L
+S := r + SHA-512(R | zk' | M) * a' mod L
            ]]></artwork>
          <t>
            A signature (R,S) is valid if the following holds:
          </t>
          <artwork name="" type="" align="left" alt=""><![CDATA[
-S * G == R + SHA512(R, zk', M) * zk'
+S * G == R + SHA-512(R, zk', M) * zk'
            ]]></artwork>
          <t>
            The S-Encrypt() and S-Decrypt() functions use XSalsa20
@@ -1197,8 +1197,8 @@ NONCE := HKDF-Expand (PRK_n, label, 32 / 8)
 ]]></artwork>
          <t>
            HKDF is a hash-based key derivation function as defined in
-           <xref target="RFC5869" />. Specifically, HMAC-SHA512 is used for the
-           extraction phase and HMAC-SHA256 for the expansion phase.
+           <xref target="RFC5869" />. Specifically, SHA-512 <xref 
target="SHS"/> is used for the
+           extraction phase and SHA-256 <xref target="SHS"/> for the expansion 
phase.
            The output keying material is 32 bytes (256 bits) for the symmetric
            key and 16 bytes (128 bits) for the NONCE.
            The symmetric key K is a 256-bit XSalsa20
@@ -1506,7 +1506,7 @@ GET(key) -> value
          Given a label, the storage key q is derived as follows:
        </t>
        <artwork name="" type="" align="left" alt=""><![CDATA[
-q := SHA512 (HDKD-Public(zk, label))
+q := SHA-512 (HDKD-Public(zk, label))
          ]]></artwork>
        <dl>
          <dt>label</dt>
@@ -1520,7 +1520,7 @@ q := SHA512 (HDKD-Public(zk, label))
          <dd>
            Is the 512-bit storage key under which the resource records block is
            published.
-           It is the SHA512 hash over the derived zone key.
+           It is the SHA-512 hash <xref target="SHS"/> over the derived zone 
key.
          </dd>
        </dl>
      </section>
@@ -2730,7 +2730,17 @@ cae1789d
          </front>
        </reference>
 
-       
+       <reference anchor="SHS" 
target="https://doi.org/10.6028/NIST.FIPS.180-4";>
+         <front>
+           <title>Secure Hash Standard (SHS)</title>
+           <author initials="Q. H." surname="Dang" fullname="Quynh H. Dang">
+             <organization>NIST</organization>
+          </author>
+
+           <date year="2012" month="March"/>
+         </front>
+       </reference>
+
        <reference anchor="MODES" 
target="https://doi.org/10.6028/NIST.SP.800-38A";>
          <front>
            <title>Recommendation for Block Cipher Modes of Operation: Methods 
and Techniques</title>

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