src: refactor ECDHBitsJob signature

PR-URL: #55610
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>

Author: panva

lib/internal/crypto/diffiehellman.js

@@ -332,7 +332,6 @@ async function ecdhDeriveBits(algorithm, baseKey, length) {
 
   const bits = await jobPromise(() => new ECDHBitsJob(
     kCryptoJobAsync,
-    key.algorithm.name === 'ECDH' ? baseKey.algorithm.namedCurve : baseKey.algorithm.name,
     key[kKeyObject][kHandle],
     baseKey[kKeyObject][kHandle]));
 

src/crypto/crypto_ec.cc

@@ -45,22 +45,6 @@ int GetCurveFromName(const char* name) {
   return nid;
 }
 
-int GetOKPCurveFromName(const char* name) {
-  int nid;
-  if (strcmp(name, "Ed25519") == 0) {
-    nid = EVP_PKEY_ED25519;
-  } else if (strcmp(name, "Ed448") == 0) {
-    nid = EVP_PKEY_ED448;
-  } else if (strcmp(name, "X25519") == 0) {
-    nid = EVP_PKEY_X25519;
-  } else if (strcmp(name, "X448") == 0) {
-    nid = EVP_PKEY_X448;
-  } else {
-    nid = NID_undef;
-  }
-  return nid;
-}
-
 void ECDH::Initialize(Environment* env, Local<Object> target) {
   Isolate* isolate = env->isolate();
   Local<Context> context = env->context();
@@ -450,25 +434,21 @@ Maybe<void> ECDHBitsTraits::AdditionalConfig(
     ECDHBitsConfig* params) {
   Environment* env = Environment::GetCurrent(args);
 
-  CHECK(args[offset]->IsString());  // curve name
-  CHECK(args[offset + 1]->IsObject());  // public key
-  CHECK(args[offset + 2]->IsObject());  // private key
+  CHECK(args[offset]->IsObject());      // public key
+  CHECK(args[offset + 1]->IsObject());  // private key
 
   KeyObjectHandle* private_key;
   KeyObjectHandle* public_key;
 
-  Utf8Value name(env->isolate(), args[offset]);
-
-  ASSIGN_OR_RETURN_UNWRAP(&public_key, args[offset + 1], Nothing<void>());
-  ASSIGN_OR_RETURN_UNWRAP(&private_key, args[offset + 2], Nothing<void>());
+  ASSIGN_OR_RETURN_UNWRAP(&public_key, args[offset], Nothing<void>());
+  ASSIGN_OR_RETURN_UNWRAP(&private_key, args[offset + 1], Nothing<void>());
 
   if (private_key->Data().GetKeyType() != kKeyTypePrivate ||
       public_key->Data().GetKeyType() != kKeyTypePublic) {
     THROW_ERR_CRYPTO_INVALID_KEYTYPE(env);
     return Nothing<void>();
   }
 
-  params->id_ = GetOKPCurveFromName(*name);
   params->private_ = private_key->Data().addRef();
   params->public_ = public_key->Data().addRef();
 
@@ -482,7 +462,7 @@ bool ECDHBitsTraits::DeriveBits(Environment* env,
   const auto& m_privkey = params.private_.GetAsymmetricKey();
   const auto& m_pubkey = params.public_.GetAsymmetricKey();
 
-  switch (params.id_) {
+  switch (m_privkey.id()) {
     case EVP_PKEY_X25519:
       // Fall through
     case EVP_PKEY_X448: {

src/crypto/crypto_ec.h

@@ -16,7 +16,6 @@
 namespace node {
 namespace crypto {
 int GetCurveFromName(const char* name);
-int GetOKPCurveFromName(const char* name);
 
 class ECDH final : public BaseObject {
  public:

src/crypto/crypto_keys.cc

@@ -909,6 +909,22 @@ void KeyObjectHandle::InitECRaw(const FunctionCallbackInfo<Value>& args) {
   args.GetReturnValue().Set(true);
 }
 
+int GetOKPCurveFromName(const char* name) {
+  int nid;
+  if (strcmp(name, "Ed25519") == 0) {
+    nid = EVP_PKEY_ED25519;
+  } else if (strcmp(name, "Ed448") == 0) {
+    nid = EVP_PKEY_ED448;
+  } else if (strcmp(name, "X25519") == 0) {
+    nid = EVP_PKEY_X25519;
+  } else if (strcmp(name, "X448") == 0) {
+    nid = EVP_PKEY_X448;
+  } else {
+    nid = NID_undef;
+  }
+  return nid;
+}
+
 void KeyObjectHandle::InitEDRaw(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   KeyObjectHandle* key;

src/crypto/crypto_keys.h

@@ -408,6 +408,8 @@ WebCryptoKeyExportStatus PKEY_SPKI_Export(const KeyObjectData& key_data,
 WebCryptoKeyExportStatus PKEY_PKCS8_Export(const KeyObjectData& key_data,
                                            ByteSource* out);
 
+int GetOKPCurveFromName(const char* name);
+
 namespace Keys {
 void Initialize(Environment* env, v8::Local<v8::Object> target);
 void RegisterExternalReferences(ExternalReferenceRegistry* registry);