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Example code of krzysztofzylka/hash

Informations about the package hash

VersionedHasher

A modern PHP library for secure password hashing and general-purpose hashing with version support and algorithm migration capabilities.

Features

Installation

Quick Start

Secure Password Hashing

Custom Algorithm Usage

Supported Algorithms

Password Hashing (Secure)

Cryptographic Hashes

Fast Checksums (Non-secure)

Legacy (Deprecated)

Advanced Usage

Security Assessment

Algorithm Discovery

Custom Configuration

Security Recommendations (2024)

For New Applications

  1. Use createSecure() - Automatically uses Argon2id with optimal settings
  2. Regular Assessment - Check needsRehash() periodically
  3. Monitor Algorithms - Stay updated on algorithm recommendations

For Legacy Applications

  1. Gradual Migration - Use needsRehash() to identify upgrade candidates
  2. Backward Compatibility - Library works with existing password_hash() outputs
  3. User Login Migration - Upgrade hashes during successful logins

Version Format

The library uses a versioned format for all hashes:

Examples:

Performance Guidelines

Password Hashing

Checksums

Error Handling

Requirements

Security Notes

⚠️ Important Security Considerations:

  1. Never use fast checksums for passwords (xxh*, crc32, md5)
  2. Upgrade legacy hashes regularly using needsRehash()
  3. Use secure algorithms for sensitive data
  4. Monitor algorithm recommendations as security standards evolve
  5. Test algorithm availability in your environment

License

MIT License - see LICENSE file for details.

Contributing

  1. Fork the repository
  2. Create feature branch
  3. Add tests for new functionality
  4. Submit pull request

Support

For issues and questions:

All versions of hash with dependencies

PHP Build Version
Package Version
Requires php Version >=8.3
ext-sodium Version *
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