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Angsuman Chakraborty November 22nd, 2008
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Simple solutions for complex problems.
How to Prevent CyberTerrorism and Software Piracy
Through Validy SoftNaos - A Technical Perspective
Cyber terrorism, data theft
and piracy are three of the
most concerning factors for
any software developer or a
learned internet user. We
have always looked forward
to numerous softwares as
they claim to prevent any
trespasser but in vain. None
of them have been efficient
enough and that is the
reason why we are here to
tell you about a new and
unknown technology, Validy
Softnaos (which was given to us to for reviewing purpose and have a
technological insight) It uses a hardware-software bridge that works efficiently
to prevent any unauthorized activity.
What is Validy Technology
Validy Technology (VT) is a system which protects software against piracy and
ensures software integrity. It uses a combination of software compilation
techniques and of a small secure hardware device called a token. If you look
at this following pic, you will understand the technology behind Validy's.
You can see that there is a co-processor that works under a Secure Token (an
USB dongle) and executes the program there itself
Validy Softnaos
Validy SoftNaos for Java is a software protection product targeted at
software publishers who develop Java applications. It prevents software
piracy and ensures software integrity by combining software transformation
with a piece of secure hardware (a secure token of USB dongle).
How Does it Work
To perform the protection by Validy SoftNaos for Java, a post-compiler
transforms the Java bytecode of the application. Unless a Validy SoftNaos
USB token is attached to the PC, the protected application can not run
anymore.
At runtime, the token becomes an extension of the main processor. It
contains a subset of the application's state and executes the parts of the
application that use or modify this state.
The token is a slave co-processor, receiving a flow of encrypted instructions
and exchanging data with the main processor through the USB interface.
The whole concept of Validy Softnaos protection works on enciphering and
deciphering of encryption. Because the only link between a protected
application and the token is a cryptographic key. The post-compiler
enciphers instructions using a secret key at protection time and the token
deciphers them at runtime using the same key.
Protection over Data in Co Processor (Technical Aspect)
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Java Software
The protection of an application with Validy Technology begins with the
relocation of some of the instance and static fields of some of its classes
inside the memory of the secure coprocessor. When such a transformed class
is loaded or such a transformed object is created, a chunk of memory is
allocated in the heap of the coprocessor to hold the values of the relocated
fields. In the transformed classes, the relocated instance and static fields are
replaced by the address of these chunks of memory. These addresses are
stored in two fields named k$this and k$class for instance and static fields
respectively. Figure 3.1 shows an object of class A and its fields before and
after the relocation of two fields to the coprocessor.
What's More?
What I liked the most about this product was its use of tags. The tags
mechanism is easy to implement and runs fast because it involves only simple
operations. It is however extremely powerful because additional instructions
can be tied to the original ones using tags.
This makes it simple, fast and yet secure.
Validy USB Token
The Validy USB token is built around a secure micro-controller running the
firmware for one or more of the following Validy applications: Validy
Softnaos, Validy WebBusiness, Validy FileCrypt, or Validy SmartLicense.
The main characteristics of the micro-controller are:
32 bit architecture
256 Kbytes of ROM (for the code)
32 Kbytes of EPROM (for permanent data)
8 Kbytes of RAM (for the working set of applications)
256 Kbytes of external ciphered RAM (used as a paging area by Validy
SoftNaos)
USB full speed interface (12 Mbit/s) Cryptographic accelerator for DES
and Triple DES
Cryptographic accelerator for RSA up to 1024 bit keys (or 2048 bits
using the Chinese Remainder Theorem)
Countermeasures to protect against physical attacks.
Advantages
* strong protection against software piracy without undue control of the
user's machine or breach of privacy
* low impact on the development and distribution of the software: protection
is mostly automated, application updates can be produced after the tokens
are in the field
* integrity checks or accesses to token cryptographic resources (for
authentication or signature) can be added and securely tied to other token
instructions
How to Install
Simply run the vldy-softnaos-eval-1.0.x.y.jar installer. After execution,
you will find the following directories under the install root location you have
chosen:
lib: The jar files for the translator, annotations, Ant task, virtual
coprocessor, and interface with the secure coprocessor.
liblibs: The third party libraries used by the translator.
doc: This evaluation guide in PDF and HTML formats.
examples: Sample applications.
To use the actual secure coprocessor, the runtime that communicates with a
hardware token instead of simulating it must be used. The jar file vldy-tech-
vruntime.jar must be replaced by vldy-tech-runtime.jar on the class
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path.
You can find more about running the tools here
Conclusion
Validy Technology is very competent to fight against such bigger threats but
there are some points they should consider on.
1. The documentation is too technical (though I know its for software
developers). But even a software developer can feel lost under all these
technicalities. So improvement upon documentation is a must.
2. It is too much java dependent and I will surely want it to grow over it and
be as diverse as possible.
Predictions tell us that we will have 12 million dongles attached to computers
by 2012. So you can understand that what a magnanimous influence will it
be if it becomes a success. Having said all that, Validy Softnaos is worth a try.
If you are concerned over piracy and sabotages, then you may use it and tell
us your experience too.
Filed under How To, Java Software, Programming, Software Review, Technology, Windows Software
Review | Tags: 2012, Claim, Cyber terrorism, Lost, Piracy, Validy Softnaos, Validy technology |
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