crypto: use WebIDL convertors in WebCryptoAPI

Author: panva

lib/internal/crypto/aes.js

@@ -32,7 +32,6 @@ const {
 } = internalBinding('crypto');
 
 const {
-  getArrayBufferOrView,
   hasAnyNotIn,
   jobPromise,
   validateByteLength,
@@ -112,7 +111,6 @@ function getVariant(name, length) {
 }
 
 function asyncAesCtrCipher(mode, key, data, { counter, length }) {
-  counter = getArrayBufferOrView(counter, 'algorithm.counter');
   validateByteLength(counter, 'algorithm.counter', 16);
   // The length must specify an integer between 1 and 128. While
   // there is no default, this should typically be 64.
@@ -135,7 +133,6 @@ function asyncAesCtrCipher(mode, key, data, { counter, length }) {
 }
 
 function asyncAesCbcCipher(mode, key, data, { iv }) {
-  iv = getArrayBufferOrView(iv, 'algorithm.iv');
   validateByteLength(iv, 'algorithm.iv', 16);
   return jobPromise(() => new AESCipherJob(
     kCryptoJobAsync,
@@ -166,12 +163,9 @@ function asyncAesGcmCipher(
       'OperationError'));
   }
 
-  iv = getArrayBufferOrView(iv, 'algorithm.iv');
   validateMaxBufferLength(iv, 'algorithm.iv');
 
   if (additionalData !== undefined) {
-    additionalData =
-      getArrayBufferOrView(additionalData, 'algorithm.additionalData');
     validateMaxBufferLength(additionalData, 'algorithm.additionalData');
   }
 

lib/internal/crypto/cfrg.js

@@ -18,7 +18,6 @@ const {
 } = internalBinding('crypto');
 
 const {
-  getArrayBufferOrView,
   getUsagesUnion,
   hasAnyNotIn,
   jobPromise,
@@ -73,7 +72,6 @@ function verifyAcceptableCfrgKeyUse(name, isPublic, usages) {
 
 function createCFRGRawKey(name, keyData, isPublic) {
   const handle = new KeyObjectHandle();
-  keyData = getArrayBufferOrView(keyData, 'keyData');
 
   switch (name) {
     case 'Ed25519':
@@ -337,8 +335,6 @@ function eddsaSignVerify(key, data, { name, context }, signature) {
     throw lazyDOMException(`Key must be a ${type} key`, 'InvalidAccessError');
 
   if (name === 'Ed448' && context !== undefined) {
-    context =
-      getArrayBufferOrView(context, 'algorithm.context');
     if (context.byteLength !== 0) {
       throw lazyDOMException(
         'Non zero-length context is not yet supported.', 'NotSupportedError');

lib/internal/crypto/diffiehellman.js

@@ -48,7 +48,6 @@ const {
 
 const {
   KeyObject,
-  isCryptoKey,
 } = require('internal/crypto/keys');
 
 const {
@@ -324,8 +323,6 @@ async function ecdhDeriveBits(algorithm, baseKey, length) {
   // give us everything that is generated.
   if (length !== null)
     validateUint32(length, 'length');
-  if (!isCryptoKey(key))
-    throw new ERR_INVALID_ARG_TYPE('algorithm.public', 'CryptoKey', key);
 
   if (key.type !== 'public') {
     throw lazyDOMException(

lib/internal/crypto/ec.js

@@ -24,7 +24,6 @@ const {
 } = require('internal/errors');
 
 const {
-  getArrayBufferOrView,
   getUsagesUnion,
   hasAnyNotIn,
   jobPromise,
@@ -76,7 +75,6 @@ function verifyAcceptableEcKeyUse(name, isPublic, usages) {
 
 function createECPublicKeyRaw(namedCurve, keyData) {
   const handle = new KeyObjectHandle();
-  keyData = getArrayBufferOrView(keyData, 'keyData');
 
   if (!handle.initECRaw(kNamedCurveAliases[namedCurve], keyData)) {
     throw lazyDOMException('Invalid keyData', 'DataError');

lib/internal/crypto/hash.js

@@ -14,11 +14,9 @@ const {
 } = internalBinding('crypto');
 
 const {
-  getArrayBufferOrView,
   getDefaultEncoding,
   getStringOption,
   jobPromise,
-  normalizeAlgorithm,
   normalizeHashName,
   validateMaxBufferLength,
   kHandle,
@@ -168,13 +166,8 @@ Hmac.prototype._transform = Hash.prototype._transform;
 // Implementation for WebCrypto subtle.digest()
 
 async function asyncDigest(algorithm, data) {
-  algorithm = normalizeAlgorithm(algorithm);
-  data = getArrayBufferOrView(data, 'data');
   validateMaxBufferLength(data, 'data');
 
-  if (algorithm.length !== undefined)
-    validateUint32(algorithm.length, 'algorithm.length');
-
   switch (algorithm.name) {
     case 'SHA-1':
       // Fall through
@@ -186,8 +179,7 @@ async function asyncDigest(algorithm, data) {
       return jobPromise(() => new HashJob(
         kCryptoJobAsync,
         normalizeHashName(algorithm.name),
-        data,
-        algorithm.length));
+        data));
   }
 
   throw lazyDOMException('Unrecognized name.', 'NotSupportedError');

lib/internal/crypto/hkdf.js

@@ -19,7 +19,6 @@ const {
 const { kMaxLength } = require('buffer');
 
 const {
-  getArrayBufferOrView,
   normalizeHashName,
   toBuf,
   validateByteSource,
@@ -45,7 +44,6 @@ const {
   codes: {
     ERR_INVALID_ARG_TYPE,
     ERR_OUT_OF_RANGE,
-    ERR_MISSING_OPTION,
   },
   hideStackFrames,
 } = require('internal/errors');
@@ -140,11 +138,7 @@ function hkdfSync(hash, key, salt, info, length) {
 
 const hkdfPromise = promisify(hkdf);
 async function hkdfDeriveBits(algorithm, baseKey, length) {
-  const { hash } = algorithm;
-  const salt = getArrayBufferOrView(algorithm.salt, 'algorithm.salt');
-  const info = getArrayBufferOrView(algorithm.info, 'algorithm.info');
-  if (hash === undefined)
-    throw new ERR_MISSING_OPTION('algorithm.hash');
+  const { hash, salt, info } = algorithm;
 
   if (length === 0)
     throw lazyDOMException('length cannot be zero', 'OperationError');

lib/internal/crypto/pbkdf2.js

@@ -15,12 +15,9 @@ const {
 const {
   validateFunction,
   validateInt32,
-  validateInteger,
   validateString,
 } = require('internal/validators');
 
-const { ERR_MISSING_OPTION } = require('internal/errors').codes;
-
 const {
   getArrayBufferOrView,
   getDefaultEncoding,
@@ -101,19 +98,12 @@ function check(password, salt, iterations, keylen, digest) {
 
 const pbkdf2Promise = promisify(pbkdf2);
 async function pbkdf2DeriveBits(algorithm, baseKey, length) {
-  const { iterations } = algorithm;
-  let { hash } = algorithm;
-  const salt = getArrayBufferOrView(algorithm.salt, 'algorithm.salt');
-  if (hash === undefined)
-    throw new ERR_MISSING_OPTION('algorithm.hash');
-  validateInteger(iterations, 'algorithm.iterations');
+  const { iterations, hash, salt } = algorithm;
   if (iterations === 0)
     throw lazyDOMException(
       'iterations cannot be zero',
       'OperationError');
 
-  hash = normalizeHashName(hash.name);
-
   const raw = baseKey[kKeyObject].export();
 
   if (length === 0)
@@ -128,7 +118,9 @@ async function pbkdf2DeriveBits(algorithm, baseKey, length) {
 
   let result;
   try {
-    result = await pbkdf2Promise(raw, salt, iterations, length / 8, hash);
+    result = await pbkdf2Promise(
+      raw, salt, iterations, length / 8, normalizeHashName(hash.name),
+    );
   } catch (err) {
     throw lazyDOMException(
       'The operation failed for an operation-specific reason',

lib/internal/crypto/rsa.js

@@ -35,7 +35,6 @@ const {
 
 const {
   bigIntArrayToUnsignedInt,
-  getArrayBufferOrView,
   getUsagesUnion,
   hasAnyNotIn,
   jobPromise,
@@ -104,7 +103,6 @@ function rsaOaepCipher(mode, key, data, { label }) {
       'InvalidAccessError');
   }
   if (label !== undefined) {
-    label = getArrayBufferOrView(label, 'algorithm.label');
     validateMaxBufferLength(label, 'algorithm.label');
   }