Add simplified crypto interface

interfaces/ISimpleCrypto.h

@@ -0,0 +1,50 @@
+/*
+ * If not stated otherwise in this file or this component's LICENSE file the
+ * following copyright and licenses apply:
+ *
+ * Copyright 2023 Metrological
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "Module.h"
+
+
+namespace WPEFramework {
+
+namespace Exchange {
+
+    struct EXTERNAL ISimpleCrypto : virtual public Core::IUnknown {
+
+        enum { ID = ID_SIMPLECRYPTO };
+
+        struct EXTERNAL ICipher : virtual public Core::IUnknown {
+
+            enum { ID = ID_SIMPLECRYPTO_CIPHER };
+
+            virtual uint32_t Encrypt(const uint32_t length, const uint8_t input[] /* @in @length:length */,
+                                     const uint32_t maxOutputLength, uint8_t output[] /* @out @maxlength:maxOutputLength */) const = 0;
+
+            virtual uint32_t Decrypt(const uint32_t length, const uint8_t input[] /* @in @length:length */,
+                                     const uint32_t maxOutputLength, uint8_t output[] /* @out @maxlength:maxOutputLength */) const = 0;
+
+        };
+
+        virtual ICipher* Cipher(const string& keyName) = 0;
+    };
+
+}
+
+}

interfaces/Ids.h

@@ -366,7 +366,10 @@ namespace Exchange {
         ID_CRYPTOGRAPHY_HASH                         = ID_CRYPTOGRAPHY + 2,
         ID_CRYPTOGRAPHY_CIPHER                       = ID_CRYPTOGRAPHY + 3,
         ID_CRYPTOGRAPHY_DIFFIEHELLMAN                = ID_CRYPTOGRAPHY + 4,
-        ID_CRYPTOGRAPHY_PERSISTENT                   = ID_CRYPTOGRAPHY + 5
+        ID_CRYPTOGRAPHY_PERSISTENT                   = ID_CRYPTOGRAPHY + 5,
+
+        ID_SIMPLECRYPTO                              = RPC::IDS::ID_EXTERNAL_INTERFACE_OFFSET + 0x4E0,
+        ID_SIMPLECRYPTO_CIPHER                       = ID_SIMPLECRYPTO + 1
     };
 }
 }