feat(hkdf): implement HKDF with WebCrypto support and native C++ backend (#848)

Author: athexweb3

bun.lock

@@ -138,8 +138,8 @@ These algorithms provide quantum-resistant cryptography.
   * ✅ `crypto.getHashes()`
   * ✅ `crypto.getRandomValues(typedArray)`
   * ❌ `crypto.hash(algorithm, data[, options])`
-  * ❌ `crypto.hkdf(digest, ikm, salt, info, keylen, callback)`
-  * ❌ `crypto.hkdfSync(digest, ikm, salt, info, keylen)`
+  * ✅ `crypto.hkdf(digest, ikm, salt, info, keylen, callback)`
+  * ✅ `crypto.hkdfSync(digest, ikm, salt, info, keylen)`
   * ✅ `crypto.pbkdf2(password, salt, iterations, keylen, digest, callback)`
   * ✅ `crypto.pbkdf2Sync(password, salt, iterations, keylen, digest)`
   * ✅ `crypto.privateDecrypt(privateKey, buffer)`
@@ -282,14 +282,14 @@ These algorithms provide quantum-resistant cryptography.
 | `ECDH`     | ❌ |
 | `X25519`   | ✅ |
 | `X448`     | ✅ |
-| `HKDF`     | ❌ |
+| `HKDF`     | ✅ |
 | `PBKDF2`   | ✅ |
 
 ## `subtle.deriveKey`
 | Algorithm  | Status |
 | ---------  | :----: |
 | `ECDH`     | ❌ |
-| `HKDF`     | ❌ |
+| `HKDF`     | ✅ |
 | `PBKDF2`   | ✅ |
 | `X25519`   | ✅ |
 | `X448`     | ✅ |
@@ -390,7 +390,7 @@ These algorithms provide quantum-resistant cryptography.
 | `ECDSA`             | ✅     | ✅      | ✅    | ✅    |              | ✅           |            |
 | `Ed25519`           | ✅     | ✅      | ❌    | ❌    |              | ❌           |            |
 | `Ed448`             | ✅     | ✅      | ❌    | ❌    |              | ❌           |            |
-| `HKDF`              |        |         |       | ❌    | ❌           |              |            |
+| `HKDF`              |        |         |       | ✅    | ❌           |              |            |
 | `HMAC`              |        |         | ✅    | ✅    | ✅           |              |            |
 | `ML-DSA-44`         | ✅     | ✅      | ✅    |       |              | ✅           | ✅         |
 | `ML-DSA-65`         | ✅     | ✅      | ✅    |       |              | ✅           | ✅         |

docs/implementation-coverage.md

@@ -31,8 +31,14 @@ if (typeof global.structuredClone === 'undefined') {
 import 'event-target-polyfill';
 
 // readable-stream
-// @ts-expect-error - although process.version is readonly, we're setting it for readable-stream
-global.process.version = 'v22.0.0';
+if (global.process == null) {
+  // @ts-expect-error - process is not defined
+  global.process = {};
+}
+if (global.process.version == null) {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  (global.process as any).version = 'v22.0.0';
+}
 
 import { AppRegistry } from 'react-native';
 import App from './src/App';