Documentation

Protection
in package

Table of Contents

Properties

$encryptionKey  : string
$lastRc4Key  : string
$lastRc4KeyC  : string
$options  : array<string|int, int>
$oValue  : string
$padding  : string
$pValue  : string
$uniqid  : string
$uniqidGenerator  : UniqidGenerator
$useRC128Encryption  : bool
$uValue  : string

Methods

__construct()  : mixed
getOValue()  : mixed
getPValue()  : mixed
getUniqid()  : mixed
getUseRC128Encryption()  : mixed
getUValue()  : mixed
objectKey()  : string
Compute key depending on object number where the encrypted data is stored
rc4()  : string
RC4 is the standard encryption algorithm used in PDF format
setProtection()  : bool
generateEncryptionKey()  : mixed
getProtectionBitsFromOptions()  : mixed
hexToString()  : mixed
md5toBinary()  : mixed
oValue()  : mixed
uValue()  : mixed

Properties

$options

private array<string|int, int> $options

Array of permission => byte representation

$useRC128Encryption

private bool $useRC128Encryption

Methods

getUseRC128Encryption()

public getUseRC128Encryption() : mixed

objectKey()

Compute key depending on object number where the encrypted data is stored

public objectKey(int $n) : string
Parameters
$n : int
Return values
string

rc4()

RC4 is the standard encryption algorithm used in PDF format

public rc4(string $key, string $text) : string
Parameters
$key : string
$text : string
Return values
string

setProtection()

public setProtection([array<string|int, mixed> $permissions = [] ][, string $user_pass = '' ][, string $owner_pass = null ][, int $length = 40 ]) : bool
Parameters
$permissions : array<string|int, mixed> = []
$user_pass : string = ''
$owner_pass : string = null
$length : int = 40
Return values
bool

generateEncryptionKey()

private generateEncryptionKey(mixed $user_pass, mixed $owner_pass, mixed $protection) : mixed
Parameters
$user_pass : mixed
$owner_pass : mixed
$protection : mixed

getProtectionBitsFromOptions()

private getProtectionBitsFromOptions(mixed $permissions) : mixed
Parameters
$permissions : mixed

hexToString()

private hexToString(mixed $hs) : mixed
Parameters
$hs : mixed

md5toBinary()

private md5toBinary(mixed $string) : mixed
Parameters
$string : mixed

oValue()

private oValue(mixed $user_pass, mixed $owner_pass) : mixed
Parameters
$user_pass : mixed
$owner_pass : mixed 

        

        
    




    

    

                                

                

                                
    

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