Pronounceable Password Generator

A C++ utility that generates human-readable, memorable passwords while avoiding dictionary words. Creates secure passwords using pronounceable syllables with configurable complexity options.

Features

• Generates pronounceable password bases
• Configurable password length
• Optional 2-digit numbers (-digits)
• Optional special characters (-special)
• Customizable special character set (-chars)
• Avoids dictionary words through random syllable patterns
• Inserts non-alphabet characters at random positions

Build Instructions

Prerequisites

• C++20 compatible compiler
• CMake (3.10+)
• Make

Building

mkdir build && cd build
cmake -DCMAKE_CXX_STANDARD=20 ..
make

Running

./passgen -length 12 -digits -special

Usage

Basic Usage

Generate a 10-character password:

./passgen -length 10

Example output: zexovakipo

With Numbers and Special Characters

./passgen -length 12 -digits -special

Example output: vupa41@jelowi

Custom Special Characters

./passgen -length 14 -special -chars "£€$"

Example output: jaxu£89pokiter

Options

Flag	Description	Requires Value
-length	Total password length (required)	Yes
-digits	Include 2-digit number	No
-special	Include special character	No
-chars	Custom special characters	Yes

Password Generation Strategy

1. Creates pronounceable base using alternating consonants/vowels
2. Adds complexity elements (numbers/specials) at random positions
3. Uses secure randomization through:
   • Mersenne Twister engine (mt19937)
   • System entropy source (random_device)
   • Cryptographic-grade PRNG for shuffling

License

MIT License - see LICENSE