feat(ext/crypto): implement unwrapKey (#12539)

1 files changed, 54 insertions, 0 deletions

diff --git a/cli/tests/unit/webcrypto_test.ts b/cli/tests/unit/webcrypto_test.ts
index 5087c7076..0660d9a7e 100644
--- a/cli/tests/unit/webcrypto_test.ts
+++ b/cli/tests/unit/webcrypto_test.ts
@@ -691,6 +691,60 @@ Deno.test(async function testAesKeyGen() {
   assertEquals(algorithm.length, 256);
 });
 
+Deno.test(async function testUnwrapKey() {
+  const subtle = crypto.subtle;
+
+  const AES_KEY: AesKeyAlgorithm & AesCbcParams = {
+    name: "AES-CBC",
+    length: 128,
+    iv: new Uint8Array(16),
+  };
+
+  const RSA_KEY: RsaHashedKeyGenParams & RsaOaepParams = {
+    name: "RSA-OAEP",
+    modulusLength: 2048,
+    publicExponent: new Uint8Array([1, 0, 1]),
+    hash: "SHA-1",
+  };
+
+  const aesKey = await subtle.generateKey(AES_KEY, true, [
+    "encrypt",
+    "decrypt",
+  ]);
+
+  const rsaKeyPair = await subtle.generateKey(
+    {
+      name: "RSA-OAEP",
+      hash: "SHA-1",
+      publicExponent: new Uint8Array([1, 0, 1]),
+      modulusLength: 2048,
+    },
+    false,
+    ["wrapKey", "encrypt", "unwrapKey", "decrypt"],
+  );
+
+  const enc = await subtle.wrapKey(
+    "raw",
+    aesKey,
+    rsaKeyPair.publicKey,
+    RSA_KEY,
+  );
+  const unwrappedKey = await subtle.unwrapKey(
+    "raw",
+    enc,
+    rsaKeyPair.privateKey,
+    RSA_KEY,
+    AES_KEY,
+    false,
+    ["encrypt", "decrypt"],
+  );
+
+  assert(unwrappedKey instanceof CryptoKey);
+  assertEquals(unwrappedKey.type, "secret");
+  assertEquals(unwrappedKey.extractable, false);
+  assertEquals(unwrappedKey.usages, ["encrypt", "decrypt"]);
+});
+
 Deno.test(async function testDecryptWithInvalidIntializationVector() {
   const data = new Uint8Array([42, 42, 42, 42]);
   const key = await crypto.subtle.generateKey(