com.ibm.crypto.fips.provider

Class ECParameters

java.lang.Object

java.security.AlgorithmParametersSpi

com.ibm.crypto.fips.provider.ECParameters

public final class ECParameters
extends java.security.AlgorithmParametersSpi

Field Summary

Fields

Modifier and Type	Field and Description
protected int	cofactor
protected java.security.spec.EllipticCurve	curve
protected java.security.spec.ECPoint	generator
protected java.math.BigInteger	order

Constructor Summary

Constructors

Constructor and Description
ECParameters()

Method Summary

Methods

Modifier and Type	Method and Description
static java.security.spec.ECParameterSpec	decodeECParameters(byte[] encodedECParameters)
static java.security.spec.EllipticCurve	decodeEllipticCurve(com.ibm.security.util.DerValue encodedEllipticCurve, java.security.spec.ECField ecField)
static java.security.spec.ECPoint	decodePoint(byte[] data, java.security.spec.EllipticCurve curve)
static java.security.spec.ECFieldFp	decodePrimeFieldType(com.ibm.security.util.DerValue encodedPrimeFieldType)
byte[]	encodeECParameters()
static com.ibm.security.util.DerValue	encodeEllipticCurve(java.security.spec.EllipticCurve curve)
static byte[]	encodePoint(java.security.spec.ECPoint point, java.security.spec.EllipticCurve curve)
static com.ibm.security.util.DerValue	encodePrimeFieldType(java.security.spec.ECFieldFp fieldID)
protected byte[]	engineGetEncoded()
protected byte[]	engineGetEncoded(java.lang.String format)
protected <T extends java.security.spec.AlgorithmParameterSpec> T	engineGetParameterSpec(java.lang.Class<T> paramSpec)
protected void	engineInit(java.security.spec.AlgorithmParameterSpec paramSpec)
protected void	engineInit(byte[] params)
protected void	engineInit(byte[] params, java.lang.String format)
protected java.lang.String	engineToString()
protected static java.security.AlgorithmParameters	getAlgorithmParameters(java.security.spec.ECParameterSpec spec)
static ECNamedCurve	getNamedCurve(java.security.spec.ECParameterSpec params)
protected byte[]	internalGetEncoded()
protected <T extends java.security.spec.AlgorithmParameterSpec> T	internalGetParameterSpec(java.lang.Class<T> paramSpec)
protected void	internalInit(java.security.spec.AlgorithmParameterSpec paramSpec)
protected void	internalInit(byte[] params)
protected java.lang.String	internalToString()

Methods inherited from class java.lang.Object

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

Field Detail

cofactor

protected int cofactor

curve

protected java.security.spec.EllipticCurve curve

generator

protected java.security.spec.ECPoint generator

order

protected java.math.BigInteger order

Constructor Detail

ECParameters

public ECParameters()

Method Detail

engineGetEncoded

protected byte[] engineGetEncoded()
                           throws java.io.IOException

Specified by:

engineGetEncoded in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

internalGetEncoded

protected byte[] internalGetEncoded()
                             throws java.io.IOException

Throws:

java.io.IOException

engineGetEncoded

protected byte[] engineGetEncoded(java.lang.String format)
                           throws java.io.IOException

Specified by:

engineGetEncoded in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineGetParameterSpec

protected <T extends java.security.spec.AlgorithmParameterSpec> T engineGetParameterSpec(java.lang.Class<T> paramSpec)
                                                                              throws java.security.spec.InvalidParameterSpecException

Specified by:

engineGetParameterSpec in class java.security.AlgorithmParametersSpi

Throws:

java.security.spec.InvalidParameterSpecException

internalGetParameterSpec

protected <T extends java.security.spec.AlgorithmParameterSpec> T internalGetParameterSpec(java.lang.Class<T> paramSpec)
                                                                                throws java.security.spec.InvalidParameterSpecException

Throws:

java.security.spec.InvalidParameterSpecException

engineInit

protected void engineInit(java.security.spec.AlgorithmParameterSpec paramSpec)
                   throws java.security.spec.InvalidParameterSpecException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.security.spec.InvalidParameterSpecException

internalInit

protected void internalInit(java.security.spec.AlgorithmParameterSpec paramSpec)
                     throws java.security.spec.InvalidParameterSpecException

Throws:

java.security.spec.InvalidParameterSpecException

engineInit

protected void engineInit(byte[] params)
                   throws java.io.IOException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

internalInit

protected void internalInit(byte[] params)
                     throws java.io.IOException

Throws:

java.io.IOException

engineInit

protected void engineInit(byte[] params,
              java.lang.String format)
                   throws java.io.IOException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineToString

protected java.lang.String engineToString()

Specified by:

engineToString in class java.security.AlgorithmParametersSpi

internalToString

protected java.lang.String internalToString()

getAlgorithmParameters

protected static java.security.AlgorithmParameters getAlgorithmParameters(java.security.spec.ECParameterSpec spec)
                                                                   throws java.security.InvalidKeyException,
                                                                          java.security.spec.InvalidParameterSpecException

Throws:

java.security.InvalidKeyException

java.security.spec.InvalidParameterSpecException

encodePoint

public static byte[] encodePoint(java.security.spec.ECPoint point,
                 java.security.spec.EllipticCurve curve)

decodePoint

public static java.security.spec.ECPoint decodePoint(byte[] data,
                                     java.security.spec.EllipticCurve curve)
                                              throws java.io.IOException

Throws:

java.io.IOException

encodeEllipticCurve

public static com.ibm.security.util.DerValue encodeEllipticCurve(java.security.spec.EllipticCurve curve)
                                                          throws java.io.IOException

Throws:

java.io.IOException

decodeEllipticCurve

public static java.security.spec.EllipticCurve decodeEllipticCurve(com.ibm.security.util.DerValue encodedEllipticCurve,
                                                   java.security.spec.ECField ecField)
                                                            throws java.io.IOException

Throws:

java.io.IOException

encodePrimeFieldType

public static com.ibm.security.util.DerValue encodePrimeFieldType(java.security.spec.ECFieldFp fieldID)
                                                           throws java.io.IOException

Throws:

java.io.IOException

decodePrimeFieldType

public static java.security.spec.ECFieldFp decodePrimeFieldType(com.ibm.security.util.DerValue encodedPrimeFieldType)
                                                         throws java.io.IOException

Throws:

java.io.IOException

encodeECParameters

public byte[] encodeECParameters()
                          throws java.io.IOException

Throws:

java.io.IOException

decodeECParameters

public static java.security.spec.ECParameterSpec decodeECParameters(byte[] encodedECParameters)
                                                             throws java.io.IOException

Throws:

java.io.IOException

getNamedCurve

public static ECNamedCurve getNamedCurve(java.security.spec.ECParameterSpec params)