COM.claymoresystems.cert

Class DERUtils

java.lang.Object

COM.claymoresystems.cert.DERUtils

public class DERUtils
extends java.lang.Object

Simple DER encode utilities. Eventually we'd like to use one common ASN.1 engine for everything

Field Summary

Fields

Modifier and Type	Field and Description
static byte	BIT_STRING
static byte	BOOLEAN
static byte	IA5STRING
static byte	INTEGER
static byte	OCTET_STRING
static byte	OID
static byte	PRINTABLE_STRING
static byte	SEQUENCE
static byte	SET
static byte	T61STRING
static byte	UTCTIME

Constructor Summary

Constructors

Constructor and Description
DERUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	decodeAny(java.io.InputStream is)
static byte[]	decodeBitString(java.io.InputStream is)
static java.util.BitSet	decodeBitStringX(java.io.InputStream is)
static boolean	decodeBoolean(java.io.InputStream is)
static java.math.BigInteger	decodeInteger(java.io.InputStream is)
static int	decodeIntegerX(java.io.InputStream is)
static byte[]	decodeOctetString(java.io.InputStream is)
static byte[]	decodeOID(java.io.InputStream is)
static byte[]	decodeSequence(java.io.InputStream is)
static void	encodeBitString(byte[] in, java.io.OutputStream os)
static void	encodeIA5String(java.lang.String in, java.io.OutputStream os)
static void	encodeInteger(java.math.BigInteger i, java.io.OutputStream os)
static void	encodeOID(byte[] in, java.io.OutputStream os)
static void	encodeOID(java.lang.String oid, java.io.OutputStream os)
static void	encodePrintableString(java.lang.String in, java.io.OutputStream os)
static void	encodeSequence(byte[] in, java.io.OutputStream os)
static void	encodeSequence(java.io.ByteArrayOutputStream is, java.io.OutputStream os)
static void	encodeSet(byte[] in, java.io.OutputStream os)
static void	encodeSet(java.io.ByteArrayOutputStream is, java.io.OutputStream os)
static void	encodeUnknownString(java.lang.String in, java.io.OutputStream os)
static void	encodeUTCTime(long time, java.io.OutputStream os)
static boolean	isTag(int tag, java.io.InputStream is)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BOOLEAN

public static final byte BOOLEAN

See Also:

Constant Field Values

INTEGER

public static final byte INTEGER

See Also:

Constant Field Values

BIT_STRING

public static final byte BIT_STRING

See Also:

Constant Field Values

OCTET_STRING

public static final byte OCTET_STRING

See Also:

Constant Field Values

OID

public static final byte OID

See Also:

Constant Field Values

SET

public static final byte SET

See Also:

Constant Field Values

SEQUENCE

public static final byte SEQUENCE

See Also:

Constant Field Values

IA5STRING

public static final byte IA5STRING

See Also:

Constant Field Values

PRINTABLE_STRING

public static final byte PRINTABLE_STRING

See Also:

Constant Field Values

T61STRING

public static final byte T61STRING

See Also:

Constant Field Values

UTCTIME

public static final byte UTCTIME

See Also:

Constant Field Values

Constructor Detail

DERUtils

public DERUtils()

Method Detail

encodeInteger

public static void encodeInteger(java.math.BigInteger i,
                 java.io.OutputStream os)
                          throws java.io.IOException

Throws:

java.io.IOException

encodeSequence

public static void encodeSequence(byte[] in,
                  java.io.OutputStream os)
                           throws java.io.IOException

Throws:

java.io.IOException

encodeSequence

public static void encodeSequence(java.io.ByteArrayOutputStream is,
                  java.io.OutputStream os)
                           throws java.io.IOException

Throws:

java.io.IOException

encodeSet

public static void encodeSet(byte[] in,
             java.io.OutputStream os)
                      throws java.io.IOException

Throws:

java.io.IOException

encodeSet

public static void encodeSet(java.io.ByteArrayOutputStream is,
             java.io.OutputStream os)
                      throws java.io.IOException

Throws:

java.io.IOException

encodeOID

public static void encodeOID(byte[] in,
             java.io.OutputStream os)
                      throws java.io.IOException

Throws:

java.io.IOException

encodeOID

public static void encodeOID(java.lang.String oid,
             java.io.OutputStream os)
                      throws java.io.IOException

Throws:

java.io.IOException

encodeIA5String

public static void encodeIA5String(java.lang.String in,
                   java.io.OutputStream os)
                            throws java.io.IOException

Throws:

java.io.IOException

encodePrintableString

public static void encodePrintableString(java.lang.String in,
                         java.io.OutputStream os)
                                  throws java.io.IOException

Throws:

java.io.IOException

encodeUnknownString

public static void encodeUnknownString(java.lang.String in,
                       java.io.OutputStream os)
                                throws java.io.IOException

Throws:

java.io.IOException

encodeBitString

public static void encodeBitString(byte[] in,
                   java.io.OutputStream os)
                            throws java.io.IOException

Throws:

java.io.IOException

encodeUTCTime

public static void encodeUTCTime(long time,
                 java.io.OutputStream os)
                          throws java.io.IOException

Throws:

java.io.IOException

decodeSequence

public static byte[] decodeSequence(java.io.InputStream is)
                             throws java.io.IOException

Throws:

java.io.IOException

decodeOID

public static byte[] decodeOID(java.io.InputStream is)
                        throws java.io.IOException

Throws:

java.io.IOException

decodeOctetString

public static byte[] decodeOctetString(java.io.InputStream is)
                                throws java.io.IOException

Throws:

java.io.IOException

decodeInteger

public static java.math.BigInteger decodeInteger(java.io.InputStream is)
                                          throws java.io.IOException

Throws:

java.io.IOException

decodeIntegerX

public static int decodeIntegerX(java.io.InputStream is)
                          throws java.io.IOException

Throws:

java.io.IOException

decodeBitStringX

public static java.util.BitSet decodeBitStringX(java.io.InputStream is)
                                         throws java.io.IOException

Throws:

java.io.IOException

decodeBitString

public static byte[] decodeBitString(java.io.InputStream is)
                              throws java.io.IOException

Throws:

java.io.IOException

decodeBoolean

public static boolean decodeBoolean(java.io.InputStream is)
                             throws java.io.IOException

Throws:

java.io.IOException

decodeAny

public static byte[] decodeAny(java.io.InputStream is)
                        throws java.io.IOException

Throws:

java.io.IOException

isTag

public static boolean isTag(int tag,
            java.io.InputStream is)
                     throws java.io.IOException

Throws:

java.io.IOException