Introduction - RetroGuard Documentation
Welcome to the RetroGuard User's Guide. This guide explains how to use
the RetroGuard bytecode obfuscator to protect your Java code against
decompilation and reverse engineering.
About RetroGuard
RetroGuard is a bytecode obfuscator, a tool designed to replace the
human-readable identifiers and attributes in your Java classes with
meaningless strings, making reverse engineering of the code almost impossible.
The result is smaller code sizes for your shipping product and confidence that
your valuable Java source code is secure.
RetroGuard is distributed under
dual licensing terms:
Features include:
- reduced size of Java bytecode (savings of up to 50% are possible,
20-30% is typical) leading to faster download times for your applets
- designed to fit seamlessly into the automated build process for your
Java projects
- allows full customization of the obfuscation process
- multiple entry points into your Java code are supported - allow access
to as many applications, applets, JavaBeans and library interfaces as
you require
- acts on Jar archives, the industry standard for packaging Java classes
and their associated resources
- obfuscation is controlled by a flexible scripting language
- uses massive overloading of method and field names for even higher
security
- generates only verifiable Java bytecode in full compliance with the
Java Virtual Machine Specification
- updates the manifest file in the Jar archive, using obfuscated names
and optionally generating MD5 and SHA-1 message digests
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