fix(ext/node): import EC JWK keys (#25266)

Cargo.lock

@@ -2694,6 +2694,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
 dependencies = [
  "base16ct",
+ "base64ct",
  "crypto-bigint",
  "digest",
  "ff",
@@ -2704,6 +2705,8 @@ dependencies = [
  "pkcs8",
  "rand_core",
  "sec1",
+ "serde_json",
+ "serdect",
  "subtle",
  "zeroize",
 ]
@@ -6169,6 +6172,7 @@ dependencies = [
  "der",
  "generic-array",
  "pkcs8",
+ "serdect",
  "subtle",
  "zeroize",
 ]
@@ -6314,6 +6318,16 @@ dependencies = [
  "v8",
 ]
 
+[[package]]
+name = "serdect"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a84f14a19e9a014bb9f4512488d9829a68e04ecabffb0f9904cd1ace94598177"
+dependencies = [
+ "base16ct",
+ "serde",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"

Cargo.toml

@@ -106,7 +106,7 @@ deno_cache_dir = "=0.10.2"
 deno_package_json = { version = "=0.1.1", default-features = false }
 dlopen2 = "0.6.1"
 ecb = "=0.1.2"
-elliptic-curve = { version = "0.13.4", features = ["alloc", "arithmetic", "ecdh", "std", "pem"] }
+elliptic-curve = { version = "0.13.4", features = ["alloc", "arithmetic", "ecdh", "std", "pem", "jwk"] }
 encoding_rs = "=0.8.33"
 fast-socks5 = "0.9.6"
 faster-hex = "0.9"
@@ -141,8 +141,8 @@ num-bigint = { version = "0.4", features = ["rand"] }
 once_cell = "1.17.1"
 os_pipe = { version = "=1.1.5", features = ["io_safety"] }
 p224 = { version = "0.13.0", features = ["ecdh"] }
-p256 = { version = "0.13.2", features = ["ecdh"] }
-p384 = { version = "0.13.0", features = ["ecdh"] }
+p256 = { version = "0.13.2", features = ["ecdh", "jwk"] }
+p384 = { version = "0.13.0", features = ["ecdh", "jwk"] }
 parking_lot = "0.12.0"
 percent-encoding = "2.3.0"
 phf = { version = "0.11", features = ["macros"] }

ext/node/lib.rs

@@ -233,6 +233,7 @@ deno_core::extension!(deno_node,
     ops::crypto::op_node_verify_ed25519,
     ops::crypto::keys::op_node_create_private_key,
     ops::crypto::keys::op_node_create_ed_raw,
+    ops::crypto::keys::op_node_create_ec_jwk,
     ops::crypto::keys::op_node_create_public_key,
     ops::crypto::keys::op_node_create_secret_key,
     ops::crypto::keys::op_node_derive_public_key_from_private_key,

ext/node/ops/crypto/keys.rs

@@ -13,6 +13,7 @@ use deno_core::unsync::spawn_blocking;
 use deno_core::GarbageCollected;
 use deno_core::ToJsBuffer;
 use ed25519_dalek::pkcs8::BitStringRef;
+use elliptic_curve::JwkEcKey;
 use num_bigint::BigInt;
 use num_traits::FromPrimitive as _;
 use pkcs8::DecodePrivateKey as _;
@@ -571,6 +572,36 @@ impl KeyObjectHandle {
     Ok(KeyObjectHandle::AsymmetricPublic(key))
   }
 
+  pub fn new_ec_jwk(
+    jwk: &JwkEcKey,
+    is_public: bool,
+  ) -> Result<KeyObjectHandle, AnyError> {
+    //  https://datatracker.ietf.org/doc/html/rfc7518#section-6.2.1.1
+    let handle = match jwk.crv() {
+      "P-256" if is_public => {
+        KeyObjectHandle::AsymmetricPublic(AsymmetricPublicKey::Ec(
+          EcPublicKey::P256(p256::PublicKey::from_jwk(jwk)?),
+        ))
+      }
+      "P-256" => KeyObjectHandle::AsymmetricPrivate(AsymmetricPrivateKey::Ec(
+        EcPrivateKey::P256(p256::SecretKey::from_jwk(jwk)?),
+      )),
+      "P-384" if is_public => {
+        KeyObjectHandle::AsymmetricPublic(AsymmetricPublicKey::Ec(
+          EcPublicKey::P384(p384::PublicKey::from_jwk(jwk)?),
+        ))
+      }
+      "P-384" => KeyObjectHandle::AsymmetricPrivate(AsymmetricPrivateKey::Ec(
+        EcPrivateKey::P384(p384::SecretKey::from_jwk(jwk)?),
+      )),
+      _ => {
+        return Err(type_error(format!("unsupported curve: {}", jwk.crv())));
+      }
+    };
+
+    Ok(handle)
+  }
+
   pub fn new_ed_raw(
     curve: &str,
     data: &[u8],
@@ -1081,6 +1112,15 @@ pub fn op_node_create_ed_raw(
   KeyObjectHandle::new_ed_raw(curve, key, is_public)
 }
 
+#[op2]
+#[cppgc]
+pub fn op_node_create_ec_jwk(
+  #[serde] jwk: elliptic_curve::JwkEcKey,
+  is_public: bool,
+) -> Result<KeyObjectHandle, AnyError> {
+  KeyObjectHandle::new_ec_jwk(&jwk, is_public)
+}
+
 #[op2]
 #[cppgc]
 pub fn op_node_create_public_key(

ext/node/polyfills/internal/crypto/keys.ts

@@ -12,6 +12,7 @@ const {
 } = primordials;
 
 import {
+  op_node_create_ec_jwk,
   op_node_create_ed_raw,
   op_node_create_private_key,
   op_node_create_public_key,
@@ -311,7 +312,15 @@ function getKeyObjectHandleFromJwk(key, ctx) {
   }
 
   if (key.kty === "EC") {
-    throw new TypeError("ec jwk imports not implemented");
+    validateString(key.crv, "key.crv");
+    validateString(key.x, "key.x");
+    validateString(key.y, "key.y");
+
+    if (!isPublic) {
+      validateString(key.d, "key.d");
+    }
+
+    return op_node_create_ec_jwk(key, isPublic);
   }
 
   throw new TypeError("rsa jwk imports not implemented");

tests/unit_node/crypto/crypto_key_test.ts

@@ -440,7 +440,7 @@ Deno.test("create private key with invalid utf-8 string", function () {
   );
 });
 
-Deno.test("Ed25519 jwk public key #1", function () {
+Deno.test("Ed25519 import jwk public key #1", function () {
   const key = {
     "kty": "OKP",
     "crv": "Ed25519",
@@ -460,7 +460,7 @@ MCowBQYDK2VwAyEA11qYAYKxCrfVS/7TyWQHOg7hcvPapiMlrwIaaPcHURo=
   assertEquals(spkiActual, spkiExpected);
 });
 
-Deno.test("Ed25519 jwk public key #2", function () {
+Deno.test("Ed25519 import jwk public key #2", function () {
   const key = {
     "kty": "OKP",
     "crv": "Ed25519",
@@ -478,7 +478,7 @@ MCowBQYDK2VwAyEA11qYAYKxCrfVS/7TyWQHOg7hcvPapiMlrwIaaPcHURo=
   assertEquals(spki, spkiExpected);
 });
 
-Deno.test("Ed25519 jwk private key", function () {
+Deno.test("Ed25519 import jwk private key", function () {
   const key = {
     "kty": "OKP",
     "crv": "Ed25519",
@@ -497,3 +497,48 @@ MC4CAQAwBQYDK2VwBCIEIJ1hsZ3v/VpguoRK9JLsLMREScVpezJpGXA7rAMcrn9g
 
   assertEquals(pkcs8Actual, pkcs8Expected);
 });
+
+Deno.test("EC import jwk public key", function () {
+  const publicKey = createPublicKey({
+    key: {
+      kty: "EC",
+      x: "_GGuz19zab5J70zyiUK6sAM5mHqUbsY8H6U2TnVlt-k",
+      y: "TcZG5efXZDIhNGDp6XuujoJqOEJU2D2ckjG9nOnSPIQ",
+      crv: "P-256",
+    },
+    format: "jwk",
+  });
+
+  const publicSpki = publicKey.export({ type: "spki", format: "pem" });
+  const spkiExpected = `-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/GGuz19zab5J70zyiUK6sAM5mHqU
+bsY8H6U2TnVlt+lNxkbl59dkMiE0YOnpe66Ogmo4QlTYPZySMb2c6dI8hA==
+-----END PUBLIC KEY-----
+`;
+
+  assertEquals(publicSpki, spkiExpected);
+});
+
+Deno.test("EC import jwk private key", function () {
+  const privateKey = createPrivateKey({
+    key: {
+      kty: "EC",
+      x: "_GGuz19zab5J70zyiUK6sAM5mHqUbsY8H6U2TnVlt-k",
+      y: "TcZG5efXZDIhNGDp6XuujoJqOEJU2D2ckjG9nOnSPIQ",
+      crv: "P-256",
+      d: "Wobjne0GqlB_1NynKu19rsw7zBHa94tKcWIxwIb88m8",
+    },
+    format: "jwk",
+  });
+
+  const privatePkcs8 = privateKey.export({ type: "pkcs8", format: "pem" });
+
+  const pkcs8Expected = `-----BEGIN PRIVATE KEY-----
+MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgWobjne0GqlB/1Nyn
+Ku19rsw7zBHa94tKcWIxwIb88m+hRANCAAT8Ya7PX3NpvknvTPKJQrqwAzmYepRu
+xjwfpTZOdWW36U3GRuXn12QyITRg6el7ro6CajhCVNg9nJIxvZzp0jyE
+-----END PRIVATE KEY-----
+`;
+
+  assertEquals(privatePkcs8, pkcs8Expected);
+});