com.lowagie.bc.asn1

Class DERBitString

Implemented Interfaces:
DEREncodable, DERString, DERTags

public class DERBitString
extends DERObject
implements DERString

Field Summary

protected byte[]
data
protected int
padBits
private static char[]
table

Fields inherited from interface com.lowagie.bc.asn1.DERTags

APPLICATION, BIT_STRING, BMP_STRING, BOOLEAN, CONSTRUCTED, ENUMERATED, EXTERNAL, GENERALIZED_TIME, GENERAL_STRING, GRAPHIC_STRING, IA5_STRING, INTEGER, NULL, NUMERIC_STRING, OBJECT_IDENTIFIER, OCTET_STRING, PRINTABLE_STRING, SEQUENCE, SEQUENCE_OF, SET, SET_OF, T61_STRING, TAGGED, UNIVERSAL_STRING, UTC_TIME, UTF8_STRING, VIDEOTEX_STRING, VISIBLE_STRING

Constructor Summary

DERBitString(byte data, int padBits)
DERBitString(byte[] data)
DERBitString(byte[] data, int padBits)
DERBitString(DEREncodable obj)

Method Summary

(package private) void
encode(DEROutputStream out)
boolean
equals(Object o)
byte[]
getBytes()
protected static byte[]
getBytes(int bitString)
return the correct number of bytes for a bit string defined in a 32 bit constant
static DERBitString
getInstance(Object obj)
return a Bit String from the passed in object
static DERBitString
getInstance(ASN1TaggedObject obj, boolean explicit)
return a Bit String from a tagged object.
int
getPadBits()
protected static int
getPadBits(int bitString)
return the correct number of pad bits for a bit string defined in a 32 bit constant
String
getString()
int
hashCode()

Methods inherited from class com.lowagie.bc.asn1.DERObject

encode, getDERObject

Field Details

data

protected byte[] data

padBits

protected int padBits

table

private static final char[] table

Constructor Details

DERBitString

protected DERBitString(byte data,
                       int padBits)

DERBitString

public DERBitString(byte[] data)

DERBitString

public DERBitString(byte[] data,
                    int padBits)
Parameters:
data - the octets making up the bit string.
padBits - the number of extra bits at the end of the string.

DERBitString

public DERBitString(DEREncodable obj)

Method Details

encode

(package private)  void encode(DEROutputStream out)
            throws IOException
Overrides:
encode in interface DERObject

equals

public boolean equals(Object o)

getBytes

public byte[] getBytes()

getBytes

protected static byte[] getBytes(int bitString)
return the correct number of bytes for a bit string defined in a 32 bit constant

getInstance

public static DERBitString getInstance(Object obj)
return a Bit String from the passed in object

getInstance

public static DERBitString getInstance(ASN1TaggedObject obj,
                                       boolean explicit)
return a Bit String from a tagged object.
Parameters:
obj - the tagged object holding the object we want
explicit - true if the object is meant to be explicitly tagged false otherwise.

getPadBits

public int getPadBits()

getPadBits

protected static int getPadBits(int bitString)
return the correct number of pad bits for a bit string defined in a 32 bit constant

getString

public String getString()
Specified by:
getString in interface DERString

hashCode

public int hashCode()