class final Core · roukmoute/pdf 0.6.2
PDF\Specification\Dictionary\SignatureReferenceDictionaryTable253\DigestMethodEntryTable 253, /DigestMethod; PDF type: name; Optional; PDF 1.5 required.Inheritance and contracts
Parent : PDF\Specification\SchemaEntry
Definition in the specification
Table 253 · Entries in a signature reference dictionary
ISO 32000-1:2008, §12.8.1 · PDF page 478 ↗
/DigestMethod name
(Optional; PDF 1.5 required) A name identifying the algorithm that shall be used when computing the digest. Valid values are MD5 and SHA1. Default value: MD5. For security reasons, MD5 should not be used. It is mentioned for backwards compatibility, since it remains the default value.
Qualifier: Optional; PDF 1.5 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\NameType|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 |
Constants
| Name | PHP value | Origin |
|---|---|---|
KEY | | PDF\Specification\Dictionary\SignatureReferenceDictionaryTable253\DigestMethodEntry |
TABLE | | PDF\Specification\Dictionary\SignatureReferenceDictionaryTable253\DigestMethodEntry |
VARIABLE | | PDF\Specification\SchemaEntry |