Set and check "alg" JWK property for EdDSA keys (#3)

panva · web-flow · commit bf5f16119848 · 2021-12-09T20:16:59.000+01:00
When exporting Ed25519 and Ed448 keys as JWK, set the "alg" property to "EdDSA".

When importing Ed25519 and Ed448 keys from JWK, if the "alg" property exists,
check that it is "EdDSA".
diff --git a/index.html b/index.html
@@ -2230,6 +2230,14 @@ <h4>Operations</h4>
                         {{DataError}}.
                       </p>
                     </li>
+                    <li>
+                      <p>
+                        If the {{JsonWebKey/alg}} field of <var>jwk</var> is present and is
+                        not <code>"EdDSA"</code>,
+                        then [= exception/throw =] a
+                        {{DataError}}.
+                      </p>
+                    </li>
                     <li>
                       <p>
                         If <var>usages</var> is non-empty and the {{JsonWebKey/use}} field of <var>jwk</var> is present and is
@@ -2524,6 +2532,12 @@ <h4>Operations</h4>
                         <code>"OKP"</code>.
                       </p>
                     </li>
+                    <li>
+                      <p>
+                        Set the <code>alg</code> attribute of <var>jwk</var> to
+                        <code>"EdDSA"</code>.
+                      </p>
+                    </li>
                     <li>
                       <p>
                         Set the <code>crv</code> attribute of <var>jwk</var> to
@@ -3110,6 +3124,14 @@ <h4>Operations</h4>
                         {{DataError}}.
                       </p>
                     </li>
+                    <li>
+                      <p>
+                        If the {{JsonWebKey/alg}} field of <var>jwk</var> is present and is
+                        not <code>"EdDSA"</code>,
+                        then [= exception/throw =] a
+                        {{DataError}}.
+                      </p>
+                    </li>
                     <li>
                       <p>
                         If <var>usages</var> is non-empty and the {{JsonWebKey/use}} field of <var>jwk</var> is present and is
@@ -3404,6 +3426,12 @@ <h4>Operations</h4>
                         <code>"OKP"</code>.
                       </p>
                     </li>
+                    <li>
+                      <p>
+                        Set the <code>alg</code> attribute of <var>jwk</var> to
+                        <code>"EdDSA"</code>.
+                      </p>
+                    </li>
                     <li>
                       <p>
                         Set the <code>crv</code> attribute of <var>jwk</var> to
