sodium_crypto_kdf_keygen
PHP 7 >= 7.2.0, PHP 8
sodium_crypto_kdf_keygen - Generate a random root key for the KDF interface
Manual
sodium_crypto_kdf_keygen(
): string
Generates a random key suitable for serving as the root key for sodium_crypto_kdf_derive_from_key.
Parameters
This function has no parameters.
Return Values
A random 256-bit key.