hasher

hasher is a lightweight, cross-platform command-line hash calculator built on OpenSSL 3.x.

Features:
- 20+ algorithms: MD4, MD5, SHA-1, SHA-2, SHA-3, BLAKE2, Keccak, SM3, RIPEMD-160, Whirlpool, and more.
- HMAC support: --hmac <key> for keyed-hash authentication.
- Checksum verification: --check <hashfile> (like sha256sum -c).
- Checksum generation: --generate <file> for standard checksum files.
- Multiple output formats: JSON and CSV for scripting.
- Parallel processing: --threads for multi-file batch hashing.
- Smart progress bar: real-time speed and ETA for large files.
- Config file: ~/.hasher/config for persistent settings.
- Colorized output: --color always/never/auto.

Free and open-source under MIT License. Pre-built binaries available for Windows, Linux, and macOS.

Download from https://github.com/GavinGe021/hasher/releases

Features

20+ hash algorithms (SHA-3, BLAKE2, Keccak, SM3, etc.)
HMAC authentication via --hmac <key>
Checksum verification like sha256sum -c
Generate standard checksum files
JSON and CSV output
Parallel processing with --threads
Smart progress bar with speed and ETA
Config file support (~/.hasher/config)
Colorized output control
Cross-platform (Windows, Linux, macOS)
Lightweight and high-performance
MIT licensed, free to use

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