| /******************************************************************************* |
| * Copyright (c) 2007, 2008 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| This is a JNI bridge to access native Windows encryption methods from Java. The methods |
| perform user-specific encryption of the data. The same user can later decrypt data using |
| methods provided by this DLL. A different user won't be able to decrypt the data. |
| |
| If the user has a roaming profile, he can decrypt data on a different computer in the domain. |
| |
| In the event if stand-alone computer needs to have OS re-installed (or the domain controller |
| and the computer in the domain), be sure to create Windows password recovery disk BEFORE |
| re-installing the operating system. |
| |
| Note that this mechanism is intended to be used with small size data (i.e., passwords). For |
| large amount of data consider encrypting your password using this mechanism and using |
| symmetric encryption to encrypt the data. |
| |
| To compile this DLL: |
| => JAVA_HOME environment variable needs to be setup so that jni.h can be found |
| |
| Note C++ projects settings: |
| => Additional include directories - "$(JAVA_HOME)/include";"$(JAVA_HOME)/include/win32" |
| => Additional linker dependency - Crypt32.lib |
| |
| ON THE SUBJECT OF RUNTIME LIBRARY |
| |
| The original DLL was build using Visual Studio 2005. That introduced dependency on |
| the msvcr80.dll that might be missing in some Windows installations. |
| |
| The msvcr80.dll is available as a part of the "Microsoft Visual C++ 2005 SP1 Redistributable Package": |
| http://www.microsoft.com/downloads/details.aspx?FamilyID=200B2FD9-AE1A-4A14-984D-389C36F85647&displaylang=en |
| |
| In order to replace dependency on msvcr80.dll with the dependency on msvcrt.dll the DLL currently |
| included in this fragment was recompiled with Visual Studio 6.0 using wincrypt.h and crypt32.lib |
| from the Visual Studio 2005. |
| |
