pwgen-rs

A Rust implementation of the classic pwgen password generator with no external dependencies. Generates cryptographically secure and memorable passwords using /dev/urandom as the entropy source.

Features

• 🔒 Cryptographically secure - Uses /dev/urandom for true randomness
• 🧠 Memorable passwords - Optional consonant-vowel pattern for easy-to-remember passwords
• ⚡ Zero dependencies - Pure Rust implementation
• 📦 Statically linked - Single binary for easy distribution
• 🎯 Full compatibility - Supports all original pwgen options

Installation

Download Binary

Get the latest binary from Releases:

chmod +x pwgen-rs
./pwgen-rs --help

Install via Cargo

cargo install pwgen-rs

Build from Source

git clone https://github.com/Karag0/pwgen-rs
cd pwgen-rs
cargo build --release

The binary will be available at target/release/pwgen-rs.

Usage Examples

# Generate 5 passwords of 12 characters
./pwgen-rs 12 5

# Generate secure random passwords
./pwgen-rs -s 16 3

# Generate passwords without numbers
./pwgen-rs -0 10 5

# Generate passwords with symbols
./pwgen-rs -y 12 3

# Generate passwords without vowels (avoid offensive words)
./pwgen-rs -v 8 5

Common Options

• -s, --secure - Generate completely random passwords
• -0, --no-numerals - Don't include numbers
• -A, --no-capitalize - Don't include capital letters
• -y, --symbols - Include at least one special symbol
• -v, --no-vowels - Avoid vowels to prevent accidental words
• -B, --ambiguous - Don't include ambiguous characters (like 0/O, 1/l)
• -1 - Print passwords in a single column

License

GPL-3.0 License - see LICENSE file for details.

Note: This is a Rust rewrite of the original pwgen utility, maintaining full compatibility while providing a modern, secure implementation.