require alg

Author: edudobay

src/JWK.php

@@ -102,17 +102,11 @@ public static function parseKey(array $jwk, string $defaultAlg = null): ?Key
             throw new UnexpectedValueException('JWK must contain a "kty" parameter');
         }
 
-        $ktyNotRequiringAlg = [
-            // In Octet Key Pair (OKP) keys, the signing algorithm (alg) will not be read from the
-            // JWK, as it can be inferred directly from the curve type (crv).
-            // @see https://datatracker.ietf.org/doc/html/rfc8037#section-3.1
-            'OKP',
-        ];
-        if (!isset($jwk['alg']) && !\in_array($jwk['kty'], $ktyNotRequiringAlg, true)) {
+        if (!isset($jwk['alg'])) {
             if (\is_null($defaultAlg)) {
                 // The "alg" parameter is optional in a KTY, but an algorithm is required
-                // for parsing certain key types in this library. Use the $defaultAlg parameter
-                // when parsing the key set in order to prevent this error.
+                // for parsing in this library. Use the $defaultAlg parameter when parsing the
+                // key set in order to prevent this error.
                 // @see https://datatracker.ietf.org/doc/html/rfc7517#section-4.4
                 throw new UnexpectedValueException('JWK must contain an "alg" parameter');
             }