Prerequisites

This framework needs at least:

• PHP 8.2+

• Extensions (required):

  • openssl

• Extensions (recommended):

  • gmp or bcmath (for better performance with RSA/PSS algorithms)

  • sodium (for EdDSA with Ed25519, ECDH-ES with X25519, and faster Base64URL encoding)

  • curl (for loading keys from remote URLs)

The json extension is built-in with PHP 8.2+ and no longer needs to be installed separately.

When the ext-sodium extension is available, the framework automatically uses it for Base64URL encoding/decoding operations, providing significant performance improvements.

Please note that cryptographic operations may be really slow, especially RSA functions. It is highly recommended to enable GMP or BCMath.