com.sshtools.ssh.components.jce

Class ECUtils

java.lang.Object

com.sshtools.ssh.components.jce.ECUtils

public class ECUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
ECUtils()

Method Summary

Modifier and Type	Method and Description
static ECPublicKey	convertKey(byte[] w, byte[] HEAD)
static ECPublicKey	decodeKey(byte[] encoded, String namedCurve)
static ECPoint	fromByteArray(byte[] b, EllipticCurve curve)
static int	getCurveSize(String curve)
static byte[]	toByteArray(ECPoint e, EllipticCurve curve)

Methods inherited from class java.lang.Object

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

Constructor Detail

ECUtils

public ECUtils()

Method Detail

toByteArray

public static byte[] toByteArray(ECPoint e,
                                 EllipticCurve curve)

fromByteArray

public static ECPoint fromByteArray(byte[] b,
                                    EllipticCurve curve)

convertKey

public static ECPublicKey convertKey(byte[] w,
                                     byte[] HEAD)
                              throws InvalidKeySpecException

Throws:

InvalidKeySpecException

getCurveSize

public static int getCurveSize(String curve)
                        throws IOException

Throws:

IOException

decodeKey

public static ECPublicKey decodeKey(byte[] encoded,
                                    String namedCurve)
                             throws IOException,
                                    InvalidKeySpecException,
                                    NoSuchAlgorithmException,
                                    InvalidAlgorithmParameterException

Throws:

IOException

InvalidKeySpecException

NoSuchAlgorithmException

InvalidAlgorithmParameterException