Open-source alternatives to Gmssl Python

Ciphey is an automated decryption tool and cryptographic analysis framework designed to identify and reverse encryptions, encodings, and hashes without requiring a known key or cipher. It functions as a hash cracking engine and a heuristic cipher identifier to recover original plaintext from unknown data patterns. The project features a nested encoding resolver that iteratively unwraps multiple layers of encryption and encoding until readable text is reached. It employs a heuristic cryptanalysis workflow to analyze data characteristics and guess the likely encoding scheme or encryption method

Hutool is a comprehensive suite of Java extensions designed to serve as a standard library extension. Its primary purpose is to reduce development boilerplate for common programming tasks and data manipulation through a collection of utility classes. The project provides specialized toolkits for database management using active record patterns and connection pooling, as well as network communication via a simplified HTTP client and asynchronous socket management. It includes security and identity capabilities such as symmetric and asymmetric encryption, image captcha generation, and JWT token

CyberChef is a web-based application designed for performing complex data encoding, decoding, encryption, and analysis tasks. It provides a visual interface where users construct data transformation pipelines by chaining modular operations together, allowing raw input to be processed into a desired output format entirely within the local browser environment. The tool functions as a client-side cryptographic workbench, ensuring that all data processing logic remains local to the user's machine to maintain privacy and eliminate server-side overhead. By utilizing functional pipeline composition