Tag: Security

All the articles with the tag "Security".

• Java Bytecode Manipulation

  9 Apr, 2017

  Statically analyze and programmatically modify compiled .class files without decompilation. Covers a practical example of changing a bytecode equality operator to alter program behavior, along with additional capabilities like method injection and code insertion.

• Dynamically Load Compiled Java Class

  21 Oct, 2009

  Dynamically load and execute compiled Java classes from byte array using a custom ClassLoader, without writing physical class files to disk. Highlights use cases like license validation, encrypted class delivery, and secure remote code execution.

• Signing Java Objects for Secure Transfer

  13 Oct, 2009

  Use Java's SignedObject with DSA public-key cryptography to digitally sign serialized Java objects before network transfer. The signed objects are verified at the receiving end ensuring data integrity and authenticity without relying on shared secrets.

• Simple Proxy Server in Java

  26 Sep, 2009

  A Java HTTP proxy server using socket-based request-response forwarding with configurable port binding, timeout handling, and continuous listening loop architecture.

• Recover Weblogic Database Password

  20 Sep, 2009

  Recovering encrypted database passwords from WebLogic server configuration files.

• Serial Key Generation and Validation in Java

  31 Aug, 2009

  Deterministic serial key generation approach for Java applications. It covers generating 18-character serial keys from user input strings and validating them by regenerating and comparing the expected output.