class final readonly Core · roukmoute/pdf 0.6.2
PDF\Security\HistoricalObjectKeyDerivationISO 7.6.2 Algorithm 1, steps a–d, PDF page 66.Inheritance and contracts
This type declares no parent, interface or trait.
Declared methods
derive()
public function derive(PDF\Security\HistoricalEncryptionKey $key, PDF\Syntax\Object\IndirectObject\ObjectIdentifier $identifier, PDF\Security\HistoricalDataCipher $cipher): PDF\Security\HistoricalEncryptionKey