Class ECDSAKeyAlgorithm

java.lang.Object

com.trilead.ssh2.signature.KeyAlgorithm<ECPublicKey, ECPrivateKey>

com.trilead.ssh2.signature.ECDSAKeyAlgorithm

Direct Known Subclasses:

ECDSAKeyAlgorithm.ECDSASha2Nistp256, ECDSAKeyAlgorithm.ECDSASha2Nistp384, ECDSAKeyAlgorithm.ECDSASha2Nistp521

public abstract class ECDSAKeyAlgorithm
extends KeyAlgorithm<ECPublicKey, ECPrivateKey>

Author:

Michael Clarke

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ECDSAKeyAlgorithm.ECDSASha2Nistp256
static class	ECDSAKeyAlgorithm.ECDSASha2Nistp384
static class	ECDSAKeyAlgorithm.ECDSASha2Nistp521

Method Summary

Modifier and Type	Method	Description
static ECPoint	decodePoint(byte[] encodedPoint, EllipticCurve curve)
ECPublicKey	decodePublicKey(byte[] key)
byte[]	decodeSignature(byte[] encodedSignature)
static byte[]	encodePoint(ECPoint group, EllipticCurve curve)
byte[]	encodePublicKey(ECPublicKey key)
byte[]	encodeSignature(byte[] sig)
abstract String	getDigestAlgorithm()
static String	getDigestAlgorithmForParams(ECKey key)
ECParameterSpec	getEcParameterSpec()
static ECDSAKeyAlgorithm	getVerifierForKey(ECKey key)
boolean	supportsKey(PrivateKey originalKey)

Methods inherited from class KeyAlgorithm

generateSignature, getCertificateDecoders, getKeyFormat, verifySignature

Methods inherited from class Object

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

Method Details

getEcParameterSpec

public ECParameterSpec getEcParameterSpec()

decodePublicKey

public ECPublicKey decodePublicKey(byte[] key)
                            throws IOException

Specified by:

decodePublicKey in class KeyAlgorithm<ECPublicKey, ECPrivateKey>

Throws:

IOException

encodePublicKey

public byte[] encodePublicKey(ECPublicKey key)
                       throws IOException

Specified by:

encodePublicKey in class KeyAlgorithm<ECPublicKey, ECPrivateKey>

Throws:

IOException

decodeSignature

public byte[] decodeSignature(byte[] encodedSignature)
                       throws IOException

Specified by:

decodeSignature in class KeyAlgorithm<ECPublicKey, ECPrivateKey>

Throws:

IOException

encodeSignature

public byte[] encodeSignature(byte[] sig)
                       throws IOException

Specified by:

encodeSignature in class KeyAlgorithm<ECPublicKey, ECPrivateKey>

Throws:

IOException

supportsKey

public boolean supportsKey(PrivateKey originalKey)

Overrides:

supportsKey in class KeyAlgorithm<ECPublicKey, ECPrivateKey>

decodePoint

public static ECPoint decodePoint(byte[] encodedPoint,
 EllipticCurve curve)

encodePoint

public static byte[] encodePoint(ECPoint group,
 EllipticCurve curve)

getDigestAlgorithmForParams

public static String getDigestAlgorithmForParams(ECKey key)

getVerifierForKey

public static ECDSAKeyAlgorithm getVerifierForKey(ECKey key)

getDigestAlgorithm

public abstract String getDigestAlgorithm()