Libraries tagged by encryption

The [Invoicetronic API][2] is a RESTful service that allows you to send and receive invoices through the Italian [Servizio di Interscambio (SDI)][1], or Interchange Service. The API is designed to be simple and easy to use, abstracting away SDI complexity while providing complete control over the invoice send/receive process. It provides advanced features as encryption at rest, multi-language pre-flight invoice validation, multiple upload formats, webhooks, event logging, client SDKs, and CLI tools. For more information, see [Invoicetronic website][2] ## Before you start For the full integration guide, tutorials, SDKs and quickstarts, see the **[Documentation](https://invoicetronic.com/en/docs/)**. A few cross-cutting topics worth knowing before integrating: - **[Prerequisites](https://invoicetronic.com/en/docs/prerequisites/)** — what you need to start in Sandbox and what's required to move to production. - **[API Keys](https://invoicetronic.com/en/docs/apikeys/)** — how `ik_live_` and `ik_test_` keys select the environment. - **[Sandbox](https://invoicetronic.com/en/docs/sandbox/)** — free test environment that mirrors the live workflow, with no credits consumed. - **[Rate Limiting](https://invoicetronic.com/en/docs/ratelimiting/)** — per-second, per-minute and per-day limits; how to handle `429 Too Many Requests`. - **[Pagination](https://invoicetronic.com/en/docs/pagination/)** — `page` and `page_size` parameters and the `Invoicetronic-Total-Count` response header. - **[CORS](https://invoicetronic.com/en/docs/cors/)** — calling the API from the browser; allowed origins are configured per key. - **[Webhooks](https://invoicetronic.com/en/docs/webhooks/)** — real-time event notifications with HMAC-SHA256 signature validation. - **[Localization](https://invoicetronic.com/en/docs/accept-language/)** — use the `Accept-Language` header to receive error messages in Italian, English or German. [1]: https://www.fatturapa.gov.it/it/sistemainterscambio/cose-il-sdi/ [2]: https://invoicetronic.com/

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Allows automatic encryption of fields, as required by GDPR.

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Key-value storage for Symfony with encryption

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PHP 请求加密工具包，支持 AES 解密、签名与时间戳验证，快速实现前后端安全通信 | PHP encryption toolkit for AES decryption, signature, and timestamp verification, enabling fast and secure front-to-backend communication. Front-end npm package generates encrypted request parameters without changing existing APIs

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The shared cryptographic module of HAWKI, providing secure encryption and decryption functionalities.

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Symfony bundle that integrates defuse/php-encryption package.

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Patient management module for FlowRise HMS providing comprehensive patient registration, identification, demographics management, and emergency contact handling. Implements MRN auto-generation, UUID-based identifiers for interoperability, and PII encryption for data protection.

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A simple helper class for encryption, decryption, and hmac signing.

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Pure-PHP SRTP and SRTCP encryption using phpseclib, with AES-CM and AES-GCM profiles. MadelineProto's PHP 8.2+ fork removes the libsrtp/FFI dependency.

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PHP port of ansible-vault encryption/decryption

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GPG for encryption and signing

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A cryptography library for symmetric encryption with an innovative keyless exchange mechanism.

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Custom encryptor for michaeldegroot/doctrine-encrypt-bundle to use AWS KMS for encryption

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Seamlessly integrate XChaCha20-Poly1305 encryption into Laravel application

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Converts any PHP variable into a URL-safe string with HMAC signing, optional AES-256-CBC encryption, and optional gzip compression.

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