Documentation

Attributes extends Construct
in package
implements Parsable

Class ASNObject is the base class for all concrete ASN.1 objects.

Table of Contents

Interfaces

Parsable
The Parsable interface describes classes that can be parsed from their binary DER representation.

Properties

$children  : array<string|int, ASNObject>
$contentLength  : mixed
$iteratorPosition  : mixed
$nrOfLengthOctets  : mixed

Methods

__construct()  : mixed
__toString()  : mixed
addAttribute()  : mixed
addChild()  : mixed
addChildren()  : mixed
count()  : mixed
current()  : mixed
fromBinary()  : Construct|static
Parse an instance of this class from its binary DER encoded representation.
getBinary()  : string
Encode this object using DER encoding.
getChildren()  : array<string|int, ASNObject>
getContent()  : mixed
Return the content of this object in a non encoded form.
getFirstChild()  : ASNObject
getIdentifier()  : string
Returns all identifier octets. If an inheriting class models a tag with the long form identifier format, it MUST reimplement this method to return all octets of the identifier.
getIterator()  : mixed
getNumberOfChildren()  : mixed
getObjectLength()  : mixed
Returns the length of the whole object (including the identifier and length octets).
getType()  : int
Return the object type octet.
getTypeName()  : mixed
Returns the name of the ASN.1 Type of this object.
key()  : mixed
next()  : mixed
offsetExists()  : mixed
offsetGet()  : mixed
offsetSet()  : mixed
offsetUnset()  : mixed
rewind()  : mixed
valid()  : mixed
calculateContentLength()  : int
Must return the number of octets of the content part.
getContentLength()  : mixed
getEncodedValue()  : string
Encode the object using DER encoding.
getNumberOfLengthOctets()  : mixed
parseBinaryIdentifier()  : mixed
parseContentLength()  : mixed
parseIdentifier()  : mixed
setContentLength()  : mixed
createLengthPart()  : mixed

Properties

$iteratorPosition

private mixed $iteratorPosition

$nrOfLengthOctets

private mixed $nrOfLengthOctets

Methods

__construct()

public __construct(array<string|int, ASNObject> ...$children) : mixed
Parameters
$children : array<string|int, ASNObject>

the variadic type hint is commented due to https://github.com/facebook/hhvm/issues/4858

addAttribute()

public addAttribute(mixed $objectIdentifier, Set $attribute) : mixed
Parameters
$objectIdentifier : mixed
$attribute : Set

addChildren()

public addChildren(array<string|int, mixed> $children) : mixed
Parameters
$children : array<string|int, mixed>

count()

public count([mixed $mode = COUNT_NORMAL ]) : mixed
Parameters
$mode : mixed = COUNT_NORMAL

fromBinary()

Parse an instance of this class from its binary DER encoded representation.

public static fromBinary(mixed &$binaryData[, mixed &$offsetIndex = 0 ]) : Construct|static
Parameters
$binaryData : mixed
$offsetIndex : mixed = 0
Return values
Construct|static

getBinary()

Encode this object using DER encoding.

public getBinary() : string
Return values
string —

the full binary representation of the complete object

getContent()

Return the content of this object in a non encoded form.

public getContent() : mixed

This can be used to print the value in human readable form.

getIdentifier()

Returns all identifier octets. If an inheriting class models a tag with the long form identifier format, it MUST reimplement this method to return all octets of the identifier.

public getIdentifier() : string
Tags
throws
LogicException

If the identifier format is long form

Return values
string —

Identifier as a set of octets

getNumberOfChildren()

public getNumberOfChildren() : mixed

getObjectLength()

Returns the length of the whole object (including the identifier and length octets).

public getObjectLength() : mixed

getType()

Return the object type octet.

public getType() : int

This should use the class constants of Identifier.

Return values
int

offsetExists()

public offsetExists(mixed $offset) : mixed
Parameters
$offset : mixed

offsetGet()

public offsetGet(mixed $offset) : mixed
Parameters
$offset : mixed

offsetSet()

public offsetSet(mixed $offset, mixed $value) : mixed
Parameters
$offset : mixed
$value : mixed

offsetUnset()

public offsetUnset(mixed $offset) : mixed
Parameters
$offset : mixed

calculateContentLength()

Must return the number of octets of the content part.

protected calculateContentLength() : int
Return values
int

getContentLength()

protected getContentLength() : mixed

getEncodedValue()

Encode the object using DER encoding.

protected getEncodedValue() : string
Return values
string —

the binary representation of an objects value

getNumberOfLengthOctets()

protected getNumberOfLengthOctets([mixed $contentLength = null ]) : mixed
Parameters
$contentLength : mixed = null

parseBinaryIdentifier()

protected static parseBinaryIdentifier(mixed $binaryData, mixed &$offsetIndex) : mixed
Parameters
$binaryData : mixed
$offsetIndex : mixed

parseContentLength()

protected static parseContentLength(mixed &$binaryData, mixed &$offsetIndex[, mixed $minimumLength = 0 ]) : mixed
Parameters
$binaryData : mixed
$offsetIndex : mixed
$minimumLength : mixed = 0

parseIdentifier()

protected static parseIdentifier(mixed $identifierOctet, mixed $expectedIdentifier, mixed $offsetForExceptionHandling) : mixed
Parameters
$identifierOctet : mixed
$expectedIdentifier : mixed
$offsetForExceptionHandling : mixed

setContentLength()

protected setContentLength(mixed $newContentLength) : mixed
Parameters
$newContentLength : mixed

createLengthPart()

private createLengthPart() : mixed 

        

        
    




    

    

                                

                

                                
    

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