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Vendor fr3on
Package php-vault
Short Description PHP 8.4+ envelope encryption library for structured data protection
License MIT

Keywords security encryption vault sodium php84 envelope-encryption

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Informations about the package php-vault

php-vault

A modern, high-security PHP 8.4+ envelope encryption library using Libsodium.

php-vault implements the envelope encryption pattern: every record is encrypted with a unique Data Encryption Key (DEK), which is then protected by a Master Key (KEK). This ensures that even if one record is compromised, the rest remain secure, and master keys can be rotated without re-encrypting entire datasets.

Features

Envelope Encryption: Unique DEK per record.
Libsodium Powered: Uses xchacha20poly1305_ietf for data and secretbox for keys.
Memory Safe: Automatically wipes keys from memory (sodium_memzero) when objects are destroyed.
Leak Proof: Redacts sensitive information in debug dumps (var_dump, print_r).
Field-Level Protection: Easily encrypt specific fields in associative arrays.
Key Rotation: Re-encrypt DEKs with a new Master Key without touching the plaintext data.
Zero Dependencies: Pure PHP 8.4+ logic using native extensions.

Installation

Usage

Basic Seal/Open

Field-Level Encryption

Key Rotation

Security Standards

PHP 8.4+ required for modern security features.
Level 9 PHPStan for total type safety.
IND-CCA2 Secure: Uses AEAD for all data payloads.
Tamper Evident: Throws exceptions if any bit of the envelope is modified.

License

MIT License. See LICENSE for details.

All versions of php-vault with dependencies

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Package Version

Version 0.0.1 Release 13. Apr 2026
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Requires php Version >=8.4
ext-sodium Version *

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