Tag: security
All the articles & tech notes with the tag "security".
Articles
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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.
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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.
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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.
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A Java HTTP proxy server using socket-based request-response forwarding with configurable port binding, timeout handling, and continuous listening loop architecture.
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Recovering encrypted database passwords from WebLogic server configuration files.
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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.