com.sshtools.common.ssh.components.jce

Class ECUtils

java.lang.Object

com.sshtools.common.ssh.components.jce.ECUtils

public class ECUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ECUtils()

Method Summary

Modifier and Type	Method and Description
static java.security.interfaces.ECPublicKey	convertKey(byte[] encodedKey)
static java.security.interfaces.ECPublicKey	decodeJCEKey(byte[] encoded)
static java.security.interfaces.ECPublicKey	decodeKey(byte[] encoded, java.lang.String namedCurve)
static java.security.interfaces.ECPrivateKey	decodePrivateKey(byte[] key, java.security.interfaces.ECPublicKey pub)
static byte[]	ensureLeadingZero(byte[] x)
static java.security.spec.ECPoint	fromByteArray(byte[] b, java.security.spec.EllipticCurve curve)
static java.lang.String	getNameFromEncodedKey(java.security.PrivateKey prv)
static byte[]	getOidBytes(java.lang.String curve)
static byte[]	stripLeadingZeros(byte[] b)
static byte[]	toByteArray(java.security.spec.ECPoint e, java.security.spec.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(java.security.spec.ECPoint e,
                                 java.security.spec.EllipticCurve curve)

fromByteArray

public static java.security.spec.ECPoint fromByteArray(byte[] b,
                                                       java.security.spec.EllipticCurve curve)

ensureLeadingZero

public static byte[] ensureLeadingZero(byte[] x)

getNameFromEncodedKey

public static java.lang.String getNameFromEncodedKey(java.security.PrivateKey prv)

convertKey

public static java.security.interfaces.ECPublicKey convertKey(byte[] encodedKey)
                                                       throws java.security.spec.InvalidKeySpecException

Throws:

java.security.spec.InvalidKeySpecException

decodePrivateKey

public static java.security.interfaces.ECPrivateKey decodePrivateKey(byte[] key,
                                                                     java.security.interfaces.ECPublicKey pub)
                                                              throws java.security.spec.InvalidKeySpecException

Throws:

java.security.spec.InvalidKeySpecException

stripLeadingZeros

public static byte[] stripLeadingZeros(byte[] b)

decodeKey

public static java.security.interfaces.ECPublicKey decodeKey(byte[] encoded,
                                                             java.lang.String namedCurve)
                                                      throws java.io.IOException,
                                                             java.security.spec.InvalidKeySpecException,
                                                             java.security.NoSuchAlgorithmException,
                                                             java.security.InvalidAlgorithmParameterException

Throws:

java.io.IOException

java.security.spec.InvalidKeySpecException

java.security.NoSuchAlgorithmException

java.security.InvalidAlgorithmParameterException

decodeJCEKey

public static java.security.interfaces.ECPublicKey decodeJCEKey(byte[] encoded)
                                                         throws java.io.IOException,
                                                                java.security.spec.InvalidKeySpecException,
                                                                java.security.NoSuchAlgorithmException,
                                                                java.security.InvalidAlgorithmParameterException

Throws:

java.io.IOException

java.security.spec.InvalidKeySpecException

java.security.NoSuchAlgorithmException

java.security.InvalidAlgorithmParameterException

getOidBytes

public static byte[] getOidBytes(java.lang.String curve)