crypto: cleanup webcrypto jwk code

PR-URL: #42562
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Zeyu Yang <himself65@outlook.com>
Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

lib/internal/crypto/dsa.js

@@ -7,11 +7,9 @@ const {
 
 const {
  DSAKeyExportJob,
- KeyObjectHandle,
  SignJob,
  kCryptoJobAsync,
  kSigEncDER,
- kKeyTypePrivate,
  kSignJobModeSign,
  kSignJobModeVerify,
 } = internalBinding('crypto');
@@ -29,8 +27,6 @@ const {
 
 const {
  InternalCryptoKey,
- PrivateKeyObject,
- PublicKeyObject,
  createPrivateKey,
  createPublicKey,
  isKeyObject,
@@ -45,7 +41,6 @@ const {
  hasAnyNotIn,
  jobPromise,
  normalizeHashName,
- validateKeyOps,
  kKeyObject,
  kHandle,
 } = require('internal/crypto/util');
@@ -178,52 +173,6 @@ async function dsaImportKey(
  });
  break;
  }
- case 'jwk': {
- if (keyData == null || typeof keyData !== 'object')
- throw lazyDOMException('Invalid JWK keyData', 'DataError');
-
- verifyAcceptableDsaKeyUse(
- algorithm.name,
- keyData.x !== undefined ? 'private' : 'public',
- usagesSet);
-
- if (keyData.kty !== 'DSA')
- throw lazyDOMException('Invalid key type', 'DataError');
-
- if (usagesSet.size > 0 &&
- keyData.use !== undefined &&
- keyData.use !== 'sig') {
- throw lazyDOMException('Invalid use type', 'DataError');
- }
-
- validateKeyOps(keyData.key_ops, usagesSet);
-
- if (keyData.ext !== undefined &&
- keyData.ext === false &&
- extractable === true) {
- throw lazyDOMException('JWK is not extractable', 'DataError');
- }
-
- if (keyData.alg !== undefined) {
- if (typeof keyData.alg !== 'string')
- throw lazyDOMException('Invalid alg', 'DataError');
- const hash =
- normalizeHashName(keyData.alg, normalizeHashName.kContextWebCrypto);
- if (hash !== algorithm.hash.name)
- throw lazyDOMException('Hash mismatch', 'DataError');
- }
-
- const handle = new KeyObjectHandle();
- const type = handle.initJwk(keyData);
- if (type === undefined)
- throw lazyDOMException('Invalid JWK keyData', 'DataError');
-
- keyObject = type === kKeyTypePrivate ?
- new PrivateKeyObject(handle) :
- new PublicKeyObject(handle);
-
- break;
- }
  default:
  throw lazyDOMException(
  `Unable to import DSA key with format ${format}`,

lib/internal/crypto/webcrypto.js

@@ -403,11 +403,6 @@ async function exportKeyJWK(key) {
  key.algorithm.hash.name,
  normalizeHashName.kContextJwkHmac);
  return jwk;
- case 'NODE-DSA':
- jwk.alg = normalizeHashName(
- key.algorithm.hash.name,
- normalizeHashName.kContextJwkDsa);
- return jwk;
  case 'NODE-ED25519':
  // Fall through
  case 'NODE-ED448':