class final Core · roukmoute/pdf 0.6.2
PDF\Specification\Dictionary\AdditionalEncryptionDictionaryEntriesForTheStandardSecurityHandlerTable21\UEntryTable 21, /U; PDF type: string; Required.Inheritance and contracts
Parent : PDF\Specification\SchemaEntry
Definition in the specification
Table 21 · Additional encryption dictionary entries for the standard security handler
ISO 32000-1:2008, §7.6.3.2 · PDF page 68 ↗
/U string
(Required) A 32-byte string, based on the user password, that shall be used in determining whether to prompt the user for a password and, if so, whether a valid user or owner password was entered. For more information, see 7.6.3.4, "Password Algorithms."
Qualifier: Required
Conditional descriptions remain traceable. A definition alone does not implement a codec, a signature or every format mechanism. Read the coverage.
Construction
__construct()
public function __construct(PDF\Syntax\Object\StringType|PDF\Syntax\Object\IndirectReference $value)Inherited methods
3 methods from parents and contracts
definition()
public function definition(): PDF\Specification\EntryDefinitionkey()
public function key(): PDF\Syntax\Object\NameTypevalue()
public function value(): PDF\Syntax\FileStructure\BasicTypeProperties
| Declaration | Origin and documentation |
|---|---|
public readonly PDF\Syntax\Object\NameType $key | PDF\Syntax\Object\DictionaryObject\Entry |
public readonly PDF\Syntax\FileStructure\BasicType $value | PDF\Syntax\Object\DictionaryObject\Entry |