Implement asynchronous encryption/decryption API

[Feature] Encryption/decryption API implementation
[Solution] Add asynchronous interface for encryption and decryption

[Verification] Run ckm-tests --group=CKM_ENCRYPTION_DECRYPTION

Change-Id: Ie18d80a47885895aabbedc51d8bdb8ff60172726

13 files changed, 210 insertions, 11 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fd799794..f76673f4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -119,6 +119,7 @@ SET(KEY_MANAGER_CLIENT_SOURCES
     ${KEY_MANAGER_CLIENT_ASYNC_SRC_PATH}/service.cpp
     ${KEY_MANAGER_CLIENT_ASYNC_SRC_PATH}/storage-receiver.cpp
     ${KEY_MANAGER_CLIENT_ASYNC_SRC_PATH}/ocsp-receiver.cpp
+    ${KEY_MANAGER_CLIENT_ASYNC_SRC_PATH}/encryption-receiver.cpp
     ${KEY_MANAGER_CLIENT_ASYNC_SRC_PATH}/descriptor-set.cpp
     ${KEY_MANAGER_CLIENT_CAPI_SRC_PATH}/ckmc-type.cpp
     ${KEY_MANAGER_CLIENT_CAPI_SRC_PATH}/ckmc-error.cpp
diff --git a/src/include/ckm/ckm-manager-async.h b/src/include/ckm/ckm-manager-async.h
index fca4408a..774bb32b 100644
--- a/src/include/ckm/ckm-manager-async.h
+++ b/src/include/ckm/ckm-manager-async.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -76,6 +76,9 @@ public:
 
         virtual void ReceivedSetPermission() {}
 
+        virtual void ReceivedEncrypted(RawBuffer &&) {}
+        virtual void ReceivedDecrypted(RawBuffer &&) {}
+
         virtual ~Observer() {}
     };
 
@@ -191,6 +194,20 @@ public:
             const Label& accessor,
             PermissionMask permissionMask);
 
+    void encrypt(
+            const ObserverPtr& observer,
+            const CryptoAlgorithm& algo,
+            const Alias& keyAlias,
+            const Password& password,
+            const RawBuffer& plain);
+
+    void decrypt(
+            const ObserverPtr& observer,
+            const CryptoAlgorithm& algo,
+            const Alias& keyAlias,
+            const Password& password,
+            const RawBuffer& encrypted);
+
 private:
     std::unique_ptr<Impl> m_impl;
 };
diff --git a/src/manager/client-async/client-manager-async-impl.cpp b/src/manager/client-async/client-manager-async-impl.cpp
index 2a37c24c..fb7bc8ad 100644
--- a/src/manager/client-async/client-manager-async-impl.cpp
+++ b/src/manager/client-async/client-manager-async-impl.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -382,4 +382,36 @@ void ManagerAsync::Impl::observerCheck(const ManagerAsync::ObserverPtr& observer
         throw std::invalid_argument("Empty observer");
 }
 
+void ManagerAsync::Impl::crypt(
+        const ObserverPtr& observer,
+        const CryptoAlgorithm& algo,
+        const Alias& keyAlias,
+        const Password& password,
+        const RawBuffer& input,
+        bool encryption)
+{
+    observerCheck(observer);
+    if (input.empty() || keyAlias.empty())
+        return observer->ReceivedError(CKM_API_ERROR_INPUT_PARAM);
+
+    try_catch_async([&] {
+        AliasSupport helper(keyAlias);
+        CryptoAlgorithmSerializable cas(algo);
+        m_counter++;
+
+        auto send = MessageBuffer::Serialize(
+                static_cast<int>(encryption?EncryptionCommand::ENCRYPT:EncryptionCommand::DECRYPT),
+                m_counter,
+                cas,
+                helper.getName(),
+                helper.getLabel(),
+                password,
+                input);
+        thread()->sendMessage(AsyncRequest(observer,
+                                           SERVICE_SOCKET_ENCRYPTION,
+                                           send.Pop(),
+                                           m_counter));
+    }, [&observer](int error){ observer->ReceivedError(error); } );
+}
+
 } // namespace CKM
diff --git a/src/manager/client-async/client-manager-async-impl.h b/src/manager/client-async/client-manager-async-impl.h
index d6bf0cf9..02c132dc 100644
--- a/src/manager/client-async/client-manager-async-impl.h
+++ b/src/manager/client-async/client-manager-async-impl.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -154,6 +154,14 @@ public:
         }, [&observer](int error){ observer->ReceivedError(error); } );
     }
 
+    void crypt(
+            const ObserverPtr& observer,
+            const CryptoAlgorithm& algo,
+            const Alias& keyAlias,
+            const Password& password,
+            const RawBuffer& input,
+            bool encryption);
+
 private:
 
     template <typename... Args>
diff --git a/src/manager/client-async/client-manager-async.cpp b/src/manager/client-async/client-manager-async.cpp
index d97cfd92..f79d12b7 100644
--- a/src/manager/client-async/client-manager-async.cpp
+++ b/src/manager/client-async/client-manager-async.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -258,5 +258,25 @@ void ManagerAsync::setPermission(const ObserverPtr& observer,
     m_impl->setPermission(observer, alias, accessor, permissionMask);
 }
 
+void ManagerAsync::encrypt(
+        const ObserverPtr& observer,
+        const CryptoAlgorithm& algo,
+        const Alias& keyAlias,
+        const Password& password,
+        const RawBuffer& plain)
+{
+    m_impl->crypt(observer, algo, keyAlias, password, plain, true);
+}
+
+void ManagerAsync::decrypt(
+        const ObserverPtr& observer,
+        const CryptoAlgorithm& algo,
+        const Alias& keyAlias,
+        const Password& password,
+        const RawBuffer& encrypted)
+{
+    m_impl->crypt(observer, algo, keyAlias, password, encrypted, false);
+}
+
 } // namespace CKM
 
diff --git a/src/manager/client-async/encryption-receiver.cpp b/src/manager/client-async/encryption-receiver.cpp
new file mode 100644
index 00000000..a406c0aa
--- /dev/null
+++ b/src/manager/client-async/encryption-receiver.cpp
@@ -0,0 +1,72 @@
+/*
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  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
+ */
+/*
+ * @file       encryption-receiver.cpp
+ * @author     Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
+ * @version    1.0
+ */
+
+#include <encryption-receiver.h>
+#include <dpl/log/log.h>
+#include <protocols.h>
+
+namespace CKM {
+
+EncryptionReceiver::EncryptionReceiver(MessageBuffer& buffer, AsyncRequest::Map& requests) :
+    m_buffer(buffer),
+    m_requests(requests)
+{
+}
+
+void EncryptionReceiver::processResponse()
+{
+    int command = 0;
+    int id = 0;
+    int retCode;
+    RawBuffer output;
+    m_buffer.Deserialize(command, id, retCode, output);
+
+    auto it = m_requests.find(id);
+    if (it == m_requests.end()) {
+        LogError("Request with id " << id << " not found!");
+        ThrowMsg(BadResponse, "Request with id " << id << " not found!");
+    }
+
+    // let it throw
+    AsyncRequest req = std::move(m_requests.at(id));
+    m_requests.erase(id);
+
+    switch (static_cast<EncryptionCommand>(command)) {
+    case EncryptionCommand::ENCRYPT:
+        if (retCode == CKM_API_SUCCESS)
+            req.observer->ReceivedEncrypted(std::move(output));
+        else
+            req.observer->ReceivedError(retCode);
+        break;
+    case EncryptionCommand::DECRYPT:
+        if (retCode == CKM_API_SUCCESS)
+            req.observer->ReceivedDecrypted(std::move(output));
+        else
+            req.observer->ReceivedError(retCode);
+        break;
+    default:
+        LogError("Unknown command id: " << command);
+        ThrowMsg(BadResponse, "Unknown command id: " << command);
+        break;
+    }
+}
+
+} /* namespace CKM */
diff --git a/src/manager/client-async/encryption-receiver.h b/src/manager/client-async/encryption-receiver.h
new file mode 100644
index 00000000..9995a31a
--- /dev/null
+++ b/src/manager/client-async/encryption-receiver.h
@@ -0,0 +1,46 @@
+/*
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  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
+ */
+/*
+ * @file       encryption-receiver.h
+ * @author     Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
+ * @version    1.0
+ */
+
+#pragma once
+
+#include <message-buffer.h>
+#include <noncopyable.h>
+#include <async-request.h>
+#include <receiver.h>
+
+namespace CKM {
+
+class EncryptionReceiver : public IReceiver
+{
+public:
+    EncryptionReceiver(MessageBuffer& buffer, AsyncRequest::Map& reqMap);
+    virtual ~EncryptionReceiver() {}
+
+    NONCOPYABLE(EncryptionReceiver);
+
+    void processResponse();
+
+private:
+    MessageBuffer& m_buffer;
+    AsyncRequest::Map& m_requests;
+};
+
+} /* namespace CKM */
diff --git a/src/manager/client-async/ocsp-receiver.cpp b/src/manager/client-async/ocsp-receiver.cpp
index f07883e7..3b4af1a3 100644
--- a/src/manager/client-async/ocsp-receiver.cpp
+++ b/src/manager/client-async/ocsp-receiver.cpp
@@ -30,7 +30,7 @@ OcspReceiver::OcspReceiver(MessageBuffer& buffer, AsyncRequest::Map& requests) :
 {
 }
 
-void OcspReceiver::parseResponse()
+void OcspReceiver::processResponse()
 {
     int id = 0, retCode = 0, ocspStatus = 0;
     m_buffer.Deserialize(id, retCode, ocspStatus);
diff --git a/src/manager/client-async/ocsp-receiver.h b/src/manager/client-async/ocsp-receiver.h
index bd6bf7b2..93d2dec4 100644
--- a/src/manager/client-async/ocsp-receiver.h
+++ b/src/manager/client-async/ocsp-receiver.h
@@ -36,7 +36,7 @@ public:
 
     NONCOPYABLE(OcspReceiver);
 
-    void parseResponse();
+    void processResponse();
 
 private:
     MessageBuffer& m_buffer;
diff --git a/src/manager/client-async/receiver.h b/src/manager/client-async/receiver.h
index 106a93b6..cac16088 100644
--- a/src/manager/client-async/receiver.h
+++ b/src/manager/client-async/receiver.h
@@ -27,7 +27,7 @@ class IReceiver {
 public:
     DECLARE_EXCEPTION_TYPE(CKM::Exception, BadResponse);
 
-    virtual void parseResponse() = 0;
+    virtual void processResponse() = 0;
     virtual ~IReceiver() {};
 };
 
diff --git a/src/manager/client-async/service.cpp b/src/manager/client-async/service.cpp
index 55c3be26..39a4379c 100644
--- a/src/manager/client-async/service.cpp
+++ b/src/manager/client-async/service.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *  Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@
 
 #include <storage-receiver.h>
 #include <ocsp-receiver.h>
+#include <encryption-receiver.h>
 #include <protocols.h>
 
 namespace CKM {
@@ -186,12 +187,14 @@ void Service::receiveData()
             receiver.reset(new StorageReceiver(*m_responseBuffer, m_responseMap));
         else if (m_interface == SERVICE_SOCKET_OCSP)
             receiver.reset(new OcspReceiver(*m_responseBuffer, m_responseMap));
+        else if (m_interface == SERVICE_SOCKET_ENCRYPTION)
+            receiver.reset(new EncryptionReceiver(*m_responseBuffer, m_responseMap));
         else {
             LogError("Unknown service " << m_interface);
             serviceError(CKM_API_ERROR_RECV_FAILED);
             return;
         }
-        receiver->parseResponse();
+        receiver->processResponse();
 
         if (m_responseMap.empty())
             watch(m_sendQueue.empty()?0:POLLOUT);
diff --git a/src/manager/client-async/storage-receiver.cpp b/src/manager/client-async/storage-receiver.cpp
index a15e0a3b..15bee0bb 100644
--- a/src/manager/client-async/storage-receiver.cpp
+++ b/src/manager/client-async/storage-receiver.cpp
@@ -35,7 +35,7 @@ StorageReceiver::StorageReceiver(MessageBuffer& buffer, AsyncRequest::Map& reque
 {
 }
 
-void StorageReceiver::parseResponse()
+void StorageReceiver::processResponse()
 {
     int command = 0, id = 0;
     m_buffer.Deserialize(command, id);
diff --git a/src/manager/client-async/storage-receiver.h b/src/manager/client-async/storage-receiver.h
index c838b3d2..98847b69 100644
--- a/src/manager/client-async/storage-receiver.h
+++ b/src/manager/client-async/storage-receiver.h
@@ -37,7 +37,7 @@ public:
 
     NONCOPYABLE(StorageReceiver);
 
-    void parseResponse();
+    void processResponse();
 
 private:
     void parseGetCommand();