com.trilead.ssh2.signature

Class KeyAlgorithm<U extends PublicKey,R extends PrivateKey>

java.lang.Object

com.trilead.ssh2.signature.KeyAlgorithm<U,R>

Direct Known Subclasses:

DSAKeyAlgorithm, ECDSAKeyAlgorithm, ED25519KeyAlgorithm, RSAKeyAlgorithm

public abstract class KeyAlgorithm<U extends PublicKey,R extends PrivateKey>
extends Object

Author:

Michael Clarke

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	KeyAlgorithm(String signatureAlgorithm, String keyFormat, Class<R> keyType)
protected	KeyAlgorithm(String signatureAlgorithm, String keyFormat, Class<R> keyType, Provider provider)

Method Summary

Modifier and Type	Method and Description
abstract U	decodePublicKey(byte[] encodedPublicKey)
abstract byte[]	decodeSignature(byte[] encodedSignature)
abstract byte[]	encodePublicKey(U publicKey)
abstract byte[]	encodeSignature(byte[] signature)
byte[]	generateSignature(byte[] message, R pk, SecureRandom rnd)
abstract List<CertificateDecoder>	getCertificateDecoders()
String	getKeyFormat()
boolean	supportsKey(PrivateKey key)
boolean	verifySignature(byte[] message, byte[] ds, U dpk)

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyAlgorithm

protected KeyAlgorithm(String signatureAlgorithm,
                       String keyFormat,
                       Class<R> keyType)

KeyAlgorithm

protected KeyAlgorithm(String signatureAlgorithm,
                       String keyFormat,
                       Class<R> keyType,
                       Provider provider)

Method Detail

generateSignature

public byte[] generateSignature(byte[] message,
                                R pk,
                                SecureRandom rnd)
                         throws IOException

Throws:

IOException

verifySignature

public boolean verifySignature(byte[] message,
                               byte[] ds,
                               U dpk)
                        throws IOException

Throws:

IOException

getKeyFormat

public String getKeyFormat()

encodeSignature

public abstract byte[] encodeSignature(byte[] signature)
                                throws IOException

Throws:

IOException

decodeSignature

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

Throws:

IOException

encodePublicKey

public abstract byte[] encodePublicKey(U publicKey)
                                throws IOException

Throws:

IOException

decodePublicKey

public abstract U decodePublicKey(byte[] encodedPublicKey)
                           throws IOException

Throws:

IOException

getCertificateDecoders

public abstract List<CertificateDecoder> getCertificateDecoders()

supportsKey

public boolean supportsKey(PrivateKey key)