RCFourFive

RC4-40 is the standard encryption algorithm used in PDF format The key length is 5 bytes (40 bits)

Table of contents

Namespace: Com\Tecnick\Pdf\Encrypt\Type

class RCFourFive

Source: src/Type/RCFourFive.php:35

RC4-40 is the standard encryption algorithm used in PDF format The key length is 5 bytes (40 bits)

Methods

encrypt()

Encrypt the data

public encrypt(string $data, string $key): string

Parameters:

  • $data (string): Data string to encrypt
  • $key (string): Encryption key

Returns: string: encrypted text

Throws:

Source: src/Type/RCFourFive.php:47