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Crack legacy zip encryption with Biham and Kocher’s known-plaintext attack. Overview A ZIP archive may contain many entries whose content can be compressed and/or encrypted. In particular, entries can be encrypted with a password-based symmetric encryption algorithm referred to as traditional PKWARE encryption, legacy encryption or ZipCrypto. This algorithm generates a pseudo-random stream of bytes (keystream) which is XORed to the entry’s content (plaintext) to produce encrypted data (ciphertext). The generator’s state, made of three 32-bits integers, is initialized using the password and then continuously updated with plaintext as encryption goes on. This encryption algorithm is vulnerable to known plaintext attacks as shown by Eli Biham and Paul C. Kocher in the research paper A known plaintext attack on the PKZIP stream cipher. Given ciphertext and, 12 or more bytes of the corresponding plaintext, the internal state of the keystream generator can be recovered. This internal state is enough to decipher ciphertext entirely as well as other entries which were encrypted with the same password. It can also be used to bruteforce the password with a complexity of nl-6 where n is the size of the character set and l is the length of the password. bkcrack is a command-line tool which implements this known-plaintext attack. The main features are: Recover internal state from ciphertext and plaintext. Change a ZIP archive’s password using the internal state. Recover the original password from the internal state. [hide][Hidden Content]]

The legendary SubSeven returns with a fan-made version that delivers a retro remote control experience with no loss of functionality and no external dependencies required. Unlike the original, SubSeven Legacy is a VNC-like without a Trojan Horse signature for legal, secure operation. The SubSeven Legacy project respects the original design, while providing compatibility with Windows 7 through the latest Windows 11 versions and runs with native code on both 32- and 64-bit systems. Feature Rich SubSeven Legacy is no basic remote-control app. This version is a full-fledged remote control software with extensive capability. Multi-thread Users can perform multiple tasks at the same time without blocking other actions, with support for multiple, simultaneous connections to a single server. Secure Security is part of the design, with network traffic encrypted by the latest version of OpenSSL (with TLS 1.3 AES 256 GCM SHA384) and password or pub key authentication (or both). Fast & Reliable Lightweight native code for everything from the UI to networking and its own OpenSSL socket implementation bound with the API provides 100% control of client-server communication. Session Friendly Unlike other remote-control software, SubSeven Legacy is session friendly, which means you can interact with distinct active Microsoft Windows Sessions. Swag The retro UI design takes users back to late 90’s/early 2000s—a fitting nostalgia for a reboot of one of the most renowned remote access tools ever made. [hide][Hidden Content]]

Introduction NiceHash Miner Legacy is a continuation of NiceHash Miner v1. This version is intended for experienced miners who want the quickest updates and highest hashrates, and are okay with some customization of the software and antivirus. What are the benefits? NiceHash Miner Legacy is an advanced auto-miner that supports the latest algorithms and miners. No need to go through tons of configuration files, various mining software versions, configuration tuning or cryptocurrency coins market analysis. Auto-tuning for best performance and efficiency, automatic selection and runtime automatic switching to most profitable cryptocurrency algorithm are all integrated into NiceHash Miner Legacy and will enable you seamless, joyful and profitable mining experience. Features Easy one-click CPU mining for CPUs that support at least SSE2 (only works on Windows x64). Easy one-click GPU mining for NVIDIA GPUs using microarchitecture (compute capability) SM 2.1/3.x/5.x/6.x. Easy one-click GPU mining for AMD GPUs using any AMD GPU devices that supports OpenCL. Support for multiple CPUs on multiple NUMAs with affinity adjustments to maximize mining speed. Integrated support for Simple Multi-Algorithm. Always mine most profitable algorithm. Integrated benchmarking tool. Run it only once before you start mining and after every hardware/driver/software upgrade. Optimized algorithms for AVX2 and AVX (CPU mining). Watch-feature - automatically restart miner if crashed or hanged. Display current rate and your balance in real time. Auto update notifications. Much more... Requirements Windows 7 or newer operating system 64-bit [Note: Windows 10 is recommended and will provide you a much better user experience] For CPU mining a modern CPU with SSE2 support For AMD mining any AMD GPU with OpenCL support For NVIDIA mining any NVIDIA GPU with Compute capability (SM) 2.1 or newer up-to-date patches for OS up-to-date drivers for all GPUs Reliable internet connectivity For GPU Mining, paging file size of 60% of your total GPU VRAM memory Personal Bitcoin wallet: [Hidden Content] [HIDE][Hidden Content]]