Simple Cryptographic Bundle Laravel Package

Product Decisions This Supports

• Data Security & Compliance: Enables encryption of sensitive data (e.g., tokens, PII, API keys) at rest or in transit, aligning with GDPR, HIPAA, or SOC2 requirements.
• Build vs. Buy: Avoids reinventing cryptographic wheel; leverages OpenSSL-backed encryption with minimal overhead, reducing dev time.
• Feature Roadmap:
  • Secure storage of API keys, tokens, or credentials in databases/configs.
  • Encrypting user-generated content (e.g., notes, messages) before storage.
  • Tokenization for payment processing or OAuth flows.
• Use Cases:
  • Symfony Applications: Native integration with DI container for seamless adoption.
  • Legacy Systems: Lightweight alternative to heavyweight libraries (e.g., Libsodium) where OpenSSL is already available.
  • Multi-Tenant SaaS: Isolate tenant data via unique encryption keys per tenant.

When to Consider This Package

• Adopt When:
  • Your stack includes PHP ≥7.4 + Symfony ≥5 (or non-Symfony PHP with OpenSSL).
  • You need symmetric encryption (AES-256, Camellia, Blowfish) for strings, not files or streams.
  • Security requirements demand deterministic encryption (same input → same ciphertext) or randomized encryption (same input → unique ciphertexts).
  • You prioritize simplicity over advanced features (e.g., key rotation, hardware-backed crypto).
• Look Elsewhere If:
  • You need asymmetric encryption (RSA/ECC) or digital signatures (use phpseclib or paragonie/sodium).
  • Your data exceeds string limits (for binary data, use openssl_encrypt directly or spatie/laravel-encryption).
  • Compliance requires FIPS 140-2 validated crypto (e.g., government/military projects).
  • You lack OpenSSL extension (check with php -m | grep openssl).
  • You need key management (this package assumes static keys; consider AWS KMS or HashiCorp Vault for dynamic keys).

How to Pitch It (Stakeholders)

For Executives: "This package lets us securely encrypt sensitive data (e.g., tokens, user inputs) with minimal dev effort—no new infrastructure needed. It’s like adding a deadbolt to a door we already have the hardware for (OpenSSL). Compliance teams will love the audit trail it enables, and devs can integrate it in hours. Cost: $0 (MIT license); Risk: Low (uses battle-tested OpenSSL)."

For Engineers: *"Need to encrypt strings in Symfony? This bundle wraps OpenSSL’s encrypt/decrypt methods into a clean service with:

• Configurable ciphers (AES-256-CTR by default, but supports Camellia, Blowfish, etc.).
• Dependency injection—just autowire SimpleCryptographicService.
• No external dependencies beyond PHP/OpenSSL.
• Static methods for one-off operations. Perfect for securing tokens, API keys, or user data. Tradeoff: Not for binary files or asymmetric crypto—stick to openssl_* for those."*

For Security Teams: *"This provides deterministic or randomized symmetric encryption using OpenSSL’s validated algorithms. Key management is manual (via APP_SECRET or custom config), so pair with a secrets manager for production. Supports:

• AES-256-CTR (default, FIPS-compliant with proper key handling).
• Other ciphers (e.g., Camellia-128-OFB) if justified by threat models. Limitations: No built-in key rotation or hardware security module (HSM) support—assess if your threat model requires these."*