Key-Kid

About

Key-Kid functions as a dedicated server for CTF cryptography, equipping agents with a comprehensive suite of tools to quickly tackle complex challenges. It offers capabilities ranging from automatic encoding detection and batch decoding to breaking classic ciphers like Caesar, Vigenère, and Playfair. Furthermore, it includes specialized tools for XOR family ciphers, RC4, AES, and DES decryption, with interactive key prompting and structured outputs designed for seamless integration into automated workflows, significantly boosting efficiency in security competitions.

Key Features

• Extensive encoding identification and batch decoding (Base64, Hex, URL, Unicode Escape, etc.).
• Crack various classic ciphers: Caesar, Vigenère, Affine, Rail Fence, Columnar Transposition, Playfair.
• Break XOR ciphers, including single-byte and repeating-key variants.
• Decrypt modern ciphers like RC4, AES, and DES with interactive key prompting.
• Structured output for easy integration with automation agents.
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Use Cases

• Rapidly solving cryptography challenges in Capture The Flag (CTF) competitions.
• Automating the analysis and decryption of unknown ciphertexts through agents.
• Identifying encoding types and breaking common cryptographic schemes programmatically.