Libraries tagged by 256

Deterministic SHA-256 canonicalization and payload hashing for PHP

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Fast, dependency-free Keccak (224/256/384/512) and SHAKE (128/256) for 64-bit PHP — a drop-in, ~5x faster alternative to kornrunner/keccak.

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Symfony bundle for Spanish Veri*Factu (RD 1007/2023) billing record compliance: SHA-256 hash chains, XML generation, QR codes, and AEAT submission hooks

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CryptoManana is a cryptography framework for boosting your project's security.

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Encrypt sensitive values in your Laravel .env file and decrypt them automatically at runtime — safe, seamless, and config-driven.

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Versioned field-level encryption for database columns (v1.) — AES-256-GCM, built-in key rotation, zero dependencies. PHP 7.4+, optional Laravel helpers.

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Automated 24-hour database backups with multi-cloud upload (S3, Google Drive, OneDrive, local), AES-256-GCM/GPG encryption, retention, integrity verification, and observability for Laravel.

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This is a "swagger" definition of application programming interface of the MúzaPay by Benefit Plus e-commerce payment gateway. You may leverage this API from your e-shop to integrate payments by employee-benefits-programme funds. This version of the programme uses mobile payment application MúzaPay. Requests signingAll requests except /auth/token must be signed by "SHA-256 with RSA" (RSASSA-PKCS1-v1_5, RFC 8017 chapter 8.2) electronic signatures. See online gateway documentation for details. ## Change log * v2 - 2025-06-26 * Added HEALTH value to productCode enum as mandated by the Czech state legislation. * amountAuthorized in PaymentStateResponse renamed to remainingAmount to better capture its meaining. * Added HTTP 410 Gone response to the cancelPayment() operation. * Corrected pattern of orderReferenceCode * Multiple corrections of the documentation, examples and field ordering changes - non-impacting.

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Secure magnet link integration for Flarum with SHA-256 token protection, SSRF-hardened tracker scraping, live click counters, and an optimized discussion list preview tooltip.

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A PHP implementation of Cap - a lightweight, modern open-source CAPTCHA alternative using SHA-256 proof-of-work with comprehensive testing suite

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Tracing SDK: canonicalize (RFC 8785 JSON Canonicalization Scheme, or W3C C14N for XML) and hash (Keccak-256) data-integrity records, then send them to an Indexer service over HTTP.

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Generate on-demand MySQL database backups and download them as password-protected, AES‑256 encrypted ZIP files via a simple HTTP route.

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RFC 9449 DPoP for Laravel — issues EC P-256-bound JWTs and verifies DPoP proofs on protected routes.

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A Laravel package to simplify the integration with BPJS e-Klaim web service. This package helps developers build APIs to interact with the e-Klaim system, providing features such as custom SHA-256 encryption and decryption, type-checking for incoming data, and more.

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Simple AES 256 is a PHP class designed to simplify encryption and decryption using AES-256 in CBC or GCM modes.

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