crypto: remove select Web Crypto warnings

Remove ExperimentalWarning from algorithms and methods that are on their
way to an unflagged browser implementation.

Signed-off-by: Filip Skokan <panva.ip@gmail.com>
PR-URL: #66312
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: panva

lib/internal/crypto/util.js

@@ -575,26 +575,19 @@ function getConditionalAlgorithms() {
   };
 }
 
-// Experimental algorithms
-const experimentalAlgorithms = [
+// Experimental algorithms that emit warnings.
+const experimentalAlgorithmsWithWarnings = [
   'AES-OCB',
   'Argon2d',
   'Argon2i',
   'Argon2id',
-  'ChaCha20-Poly1305',
   'cSHAKE128',
   'cSHAKE256',
   'Ed448',
   'KMAC128',
   'KMAC256',
-  'ML-DSA-44',
-  'ML-DSA-65',
-  'ML-DSA-87',
   'ML-KEM-512',
-  'ML-KEM-768',
-  'ML-KEM-1024',
   'MLKEM768-P256',
-  'MLKEM768-X25519',
   'MLKEM1024-P384',
   'SHA3-256',
   'SHA3-384',
@@ -604,6 +597,14 @@ const experimentalAlgorithms = [
   'KT128',
   'KT256',
   'X448',
+  // Ships unflagged in Chromium >= 155
+  // 'ChaCha20-Poly1305'
+  // 'ML-DSA-44'
+  // 'ML-DSA-65'
+  // 'ML-DSA-87'
+  // 'ML-KEM-768'
+  // 'ML-KEM-1024'
+  // 'MLKEM768-X25519'
 ];
 
 // Transform the algorithm definitions into the operation-keyed structure
@@ -632,8 +633,8 @@ function createSupportedAlgorithms(algorithmDefs) {
       nameMap[operation] ||= new SafeMap();
       nameMap[operation].set(StringPrototypeToUpperCase(algorithmName), algorithmName);
 
-      // Add experimental warnings for experimental algorithms
-      if (ArrayPrototypeIncludes(experimentalAlgorithms, algorithmName)) {
+      // Add warnings for select experimental algorithms
+      if (ArrayPrototypeIncludes(experimentalAlgorithmsWithWarnings, algorithmName)) {
         ObjectDefineProperty(result[operation], algorithmName, {
           get() {
             emitExperimentalWarning(`The ${algorithmName} Web Crypto API algorithm`);

lib/internal/crypto/webcrypto.js

@@ -74,7 +74,6 @@ const {
 } = require('internal/crypto/util');
 
 const {
-  emitExperimentalWarning,
   kEnumerableProperty,
   lazyDOMException,
   setOwnProperty,
@@ -1473,7 +1472,6 @@ function getPublicKey(key, keyUsages) {
 }
 
 function getPublicKeyImpl(key, keyUsages) {
-  emitExperimentalWarning('The getPublicKey Web Crypto API method');
   const prefix = prepareSubtleMethod(this, 'getPublicKey', arguments.length, 2);
   let i = 0;
   key = convertSubtleArgument(prefix, 'CryptoKey', key, i++);
@@ -1501,7 +1499,6 @@ function encapsulateBits(encapsulationAlgorithm, encapsulationKey) {
 }
 
 function encapsulateBitsImpl(encapsulationAlgorithm, encapsulationKey) {
-  emitExperimentalWarning('The encapsulateBits Web Crypto API method');
   const prefix = prepareSubtleMethod(
     this, 'encapsulateBits', arguments.length, 2);
   let i = 0;
@@ -1563,7 +1560,6 @@ function encapsulateKeyImpl(
   sharedKeyAlgorithm,
   extractable,
   keyUsages) {
-  emitExperimentalWarning('The encapsulateKey Web Crypto API method');
   const prefix = prepareSubtleMethod(
     this, 'encapsulateKey', arguments.length, 5);
   let i = 0;
@@ -1642,7 +1638,6 @@ function decapsulateBits(decapsulationAlgorithm, decapsulationKey, ciphertext) {
 }
 
 function decapsulateBitsImpl(decapsulationAlgorithm, decapsulationKey, ciphertext) {
-  emitExperimentalWarning('The decapsulateBits Web Crypto API method');
   const prefix = prepareSubtleMethod(
     this, 'decapsulateBits', arguments.length, 3);
   let i = 0;
@@ -1707,7 +1702,6 @@ function decapsulateKeyImpl(
   sharedKeyAlgorithm,
   extractable,
   keyUsages) {
-  emitExperimentalWarning('The decapsulateKey Web Crypto API method');
   const prefix = prepareSubtleMethod(
     this, 'decapsulateKey', arguments.length, 6);
   let i = 0;
@@ -1785,7 +1779,6 @@ class SubtleCrypto {
 
   // Implements https://wicg.github.io/webcrypto-modern-algos/#SubtleCrypto-method-supports
   static supports(operation, algorithm, lengthOrAdditionalAlgorithm = null) {
-    emitExperimentalWarning('The supports Web Crypto API method');
     webidl ??= require('internal/crypto/webidl');
     const prefix = "Failed to execute 'supports' on 'SubtleCrypto'";
     webidl.requiredArguments(arguments.length, 2, { prefix });

test/parallel/test-webcrypto-prototype-pollution.mjs

@@ -20,8 +20,8 @@ const TypedArrayPrototype = Object.getPrototypeOf(Uint8Array.prototype);
 const data = new TextEncoder().encode('prototype pollution');
 const modulusLength = getFips() === 1 ? 2048 : 1024;
 
-// Avoids SubtleCrypto.supports(), which warns and invokes the registry's
-// experimental-algorithm getters.
+// Avoids SubtleCrypto.supports(), which can invoke the registry's
+// experimental-algorithm warning getters.
 function supports(operation, name) {
   return Object.hasOwn(kSupportedAlgorithms[operation] ?? {}, name);
 }