class final Core · roukmoute/pdf 0.6.1
PDF\Specification\Adobe\Dictionary\AdditionalEncryptionDictionaryEntriesForTheStandardSecurityHandlerTable3_19Adobe 1.7 ExtensionLevel 3, table 3.19: Additional encryption dictionary entries for the standard security handler.Inheritance and contracts
Parent : PDF\Specification\SchemaDictionary
Interfaces : Countable, IteratorAggregate, PDF\Syntax\FileStructure\BasicType, Stringable, Traversable
Definition in the Adobe supplement
Table 3.19 · Additional encryption dictionary entries for the standard security handler
PDF 1.7 · Adobe ExtensionLevel 3 · §3.5.2 · PDF page 16 ↗
| Entry | PDF type | Requirement | Source |
|---|---|---|---|
/Filter | name | Required | ISO · 20 · p.64 |
/SubFilter | name | Optional; PDF 1.3 | ISO · 20 · p.64 |
/V | number | Optional but strongly recommended | Adobe · 3.18 · p.14 |
/Length | integer | Optional; PDF 1.4; only if V is 2 or 3 | ISO · 20 · p.64 |
/CF | dictionary | Optional; meaningful only when the value of V is 4; PDF 1.5 | ISO · 20 · p.64 |
/StmF | name | Optional; meaningful only when the value of V is 4, or 5 for ExtensionLevel 3 | Adobe · 3.18 · p.14 |
/StrF | name | Optional; meaningful only when the value of V is 4, or 5 for ExtensionLevel 3 | Adobe · 3.18 · p.15 |
/EFF | name | Optional; meaningful only when the value of V is 4, or 5 for ExtensionLevel 3 | Adobe · 3.18 · p.15 |
/R | number | Required | Adobe · 3.19 · p.16 |
/O | string | Required | Adobe · 3.19 · p.17 |
/U | string | Required | Adobe · 3.19 · p.17 |
/P | integer | Required | Adobe · 3.19 · p.17 |
/EncryptMetadata | boolean | Optional; meaningful only when the value of V is 4 or 5; PDF 1.5 | Adobe · 3.19 · p.18 |
/OE | string | ExtensionLevel 3; required if R is 5 | Adobe · 3.19 · p.17 |
/UE | string | ExtensionLevel 3; required if R is 5 | Adobe · 3.19 · p.17 |
/Perms | string | ExtensionLevel 3; required if R is 5 | Adobe · 3.19 · p.18 |
Each entry preserves its ISO or Adobe source. Related rules and mechanisms are described in supplement coverage.
Construction
__construct()
public function __construct(PDF\Syntax\Object\DictionaryObject\Entry ...$entries)Inherited methods
11 methods from parents and contracts
__toString()
public function __toString(): stringcount()
public function count(): intdefinition()
public function definition(): PDF\Specification\TableDefinitionentries()
public function entries(): iterable@return iterable<Entry>get()
public function get(PDF\Syntax\Object\NameType|string $key): ?PDF\Syntax\FileStructure\BasicTypegetIterator()
public function getIterator(): Traversablehas()
public function has(PDF\Syntax\Object\NameType|string $key): booltoPdf()
public function toPdf(PDF\Serialization\SerializationContext $context): stringvalidate()
public function validate(): voidChecks unconditional requirements; conditional and inherited rules remain explicit.with()
public function with(PDF\Syntax\Object\DictionaryObject\Entry $entry): staticwithout()
public function without(PDF\Syntax\Object\NameType|string $key): staticConstants
| Name | PHP value | Origin |
|---|---|---|
COMMON_TABLES | | PDF\Specification\Adobe\Dictionary\AdditionalEncryptionDictionaryEntriesForTheStandardSecurityHandlerTable3_19 |
TABLE | | PDF\Specification\Adobe\Dictionary\AdditionalEncryptionDictionaryEntriesForTheStandardSecurityHandlerTable3_19 |