AdditionalEncryptionDictionaryEntriesForTheStandardSecurityHandlerTable21Definition

class final readonly Core · roukmoute/pdf 0.6.2

PDF\Specification\Definition\AdditionalEncryptionDictionaryEntriesForTheStandardSecurityHandlerTable21Definition

Table 21: Additional encryption dictionary entries for the standard security handler.

Inheritance and contracts

Parent : PDF\Specification\TableDefinition

Table 21 · Additional encryption dictionary entries for the standard security handler
ISO 32000-1:2008, §7.6.3.2 · PDF page 68 ↗

Entry	PDF type	Source requirement	Table
`/Filter`	name	Required	20
`/SubFilter`	name	Optional; PDF 1.3	20
`/V`	number	Optional	20
`/Length`	integer	Optional; PDF 1.4; only if V is 2 or 3	20
`/CF`	dictionary	Optional; meaningful only when the value of V is 4; PDF 1.5	20
`/StmF`	name	Optional; meaningful only when the value of V is 4; PDF 1.5	20
`/StrF`	name	Optional; meaningful only when the value of V is 4; PDF 1.5	20
`/EFF`	name	Optional; meaningful only when the value of V is 4; PDF 1.6	20
`/R`	number	Required	21
`/O`	string	Required	21
`/U`	string	Required	21
`/P`	integer	Required	21
`/EncryptMetadata`	boolean	Optional; meaningful only when the value of V is 4; PDF 1.5	21

Conditional descriptions remain traceable. A definition alone does not implement a codec, a signature or every format mechanism. Read the coverage.

public function __construct()

5 methods from parents and contracts

public function entries(): iterable

@return iterable<EntryDefinition>

public function entry(PDF\Syntax\Object\NameType|string $name): PDF\Specification\EntryDefinition

public function has(PDF\Syntax\Object\NameType|string $name): bool

public function variableEntries(): iterable

@return iterable<EntryDefinition>

public function variableEntry(string $description): PDF\Specification\EntryDefinition

Declaration	Origin and documentation
`public readonly PDF\Specification\SourceReference $source`	PDF\Specification\TableDefinition
`public readonly string $title`	PDF\Specification\TableDefinition