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Obsidium Lite Description

Obsidium is a software protection and licensing system

Obsidium is a software protection and licensing system that was designed as an affordable and easy to implement, yet reliable and non-invasive way to protect your 32- and 64-bit Windows software applications and games from reverse engineering, unauthorized modifications ("cracking") and redistribution ("software piracy") while providing a secure and flexible licensing/registration system. It is primarily aimed at software companies and individual developers who would like to provide feature- or time-limited evaluation versions of their software products, but is not limited to that scenario.

Key Features

* Code virtualization
Code Virtualization allows you to transform certain parts of your application's code in order to make them harder to reverse-engineer, understand or modifiy. Native machine code will be converted into functionally equivalent byte code for a virtual CPU that is interpreted during runtime.

* Encryption and compression of application code and data
In order to prevent disassembly and static analysis or modification of your program file on disk, your application's code and data will be encrypted using a strong and fast cipher (AES) and its integrity verified. Additionally, you may choose to compress your application which will typically reduce the size of the executable by up to 50 percent.

* Runtime code encryption
Important parts of your code can be encrypted individually, providing extra protection against modifications while the program is running. Protected code will only be decrypted in memory while it is being executed. You may also protect code in such a way that it can only be decrypted if a valid license key is present.

* Time trials
Obsidium allows you to easily integrate time trial functionality into your software in order to create time-based 'Try Before You Buy' applications. You may specify a fixed expiration date or set the application to expire after a certain number of days or executions.

* Integrated licensing systems using strong public key cryptography
Obsidium offers two built-in licensing systems that take advantage of high security asymmetric encryption to prevent generation of fake license keys. Depending on your individual needs, you may choose between long and short license keys (using RSA and elliptic curve cryptography, respectively) which can be delivered to your customers in binary or textual form. Both types of license keys support fixed expiration dates, hardware locking and license dependent code encryption. Both internal licensing systems enable you to store some additional data in generated license keys, allowing you to implement custom licensing models.

* Transparent string protection
Obsidium's string protection feature allows you to transparently hide string constants used throughout your application by removing them from their original memory location and placing them inside the protection code, thus making analysis of protected applications even more time-consuming.

* Protection SDK directly supporting Visual C++, C++ Builder, Delphi, Visual Basic, C# and others
Include files and sample applications demonstrating the use of advanced features and the protection API are included in the Obsidium package.

* Automation of protection and license generation
If supported by your development environment, newly compiled applications can be protected immediately using a dedicated command line version of Obsidium which allows direct access to almost all of its features. Moreover, a license key generation library is included (as a Windows DLL and Linux shared library) that can easily be integrated into an existing or a third party online licensing/activation service. Try it online.

* Transparency and ease of implementation
Implementing Obsidium in your application is quite easy and does not require any advanced programming skills. The protection system is completely self-contained and does not depend on the installation of additional components such as services or drivers. It is fully transparent while applications are in an unprotected state and does not interfere with your usual development and debugging process.

* Counter-measures against disassembling, debugging, dumping and patching
Obsidium implements a number of counter-measures against various techniques and tools commonly used by crackers.

* Blacklisting of stolen or compromised license keys
License keys that were stolen (e.g. by credit card fraud) or leaked by a customer can be added to a blacklist, thus invalidating the offending licenses in the next release of your software.

* Integrated customer database
Obsidium's integrated user database allows you to keep track of your customers and any license keys you issued to them.

* Hardware locking
License keys may be locked to a specific system by computing a unique digital fingerprint using a user-defined list of system components such as CPU, mainboard, operating system, hard disk and MAC address.

* File integrity checks
Protected applications can be configured to validate a user-defined list of files during startup and refuse to run if any unauthorized modifications are detected.

* Transparent data file encryption
Data file encryption will transparently intercept read/write operations to a user-defined set of files and encrypt/decrypt any data written to/read from these files. This feature allows your application to securely access data files containing sensitive information without having to implement any encryption routines yourself.

* Full Unicode compatibility

* Password protection
For additional protection or to prevent unauthorized use of your software, a password may be selected that has to be entered in order to start the program.

* Multilingual user interface

Obsidium Lite Version History

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