pbkdf2() public method Derives a key from the given password

$cipher public property The cipher to use for encryption and decryption

hashData() public method Prefixes data with a keyed hash

$allowedCiphers public property Look-up table of block sizes and

$authKeyInfo public property HKDF info value for derivation of

generatePasswordHash() public method Generates a secure

encryptByKey() public method Encrypts data using a cryptographic

generateRandomString() public method Generates a random

generateRandomKey() public method Generates specified

decrypt() protected method Decrypts data.