Package com.trilead.ssh2.signature

Class KeyAlgorithm<U extends java.security.PublicKey,R extends java.security.PrivateKey>

java.lang.Object

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

Direct Known Subclasses:

DSAKeyAlgorithm, ECDSAKeyAlgorithm, ED25519KeyAlgorithm, RSAKeyAlgorithm

public abstract class KeyAlgorithm<U extends java.security.PublicKey,R extends java.security.PrivateKey>
extends java.lang.Object

Author:

Michael Clarke

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	KeyAlgorithm(java.lang.String signatureAlgorithm, java.lang.String keyFormat, java.lang.Class<R> keyType)
protected	KeyAlgorithm(java.lang.String signatureAlgorithm, java.lang.String keyFormat, java.lang.Class<R> keyType, java.security.Provider provider)

Method Summary

Modifier and Type	Method	Description
abstract java.security.PublicKey	decodePublicKey(byte[] encodedPublicKey)
abstract byte[]	decodeSignature(byte[] encodedSignature)
abstract byte[]	encodePublicKey(U publicKey)
abstract byte[]	encodeSignature(byte[] signature)
byte[]	generateSignature(byte[] message, R pk, java.security.SecureRandom rnd)
abstract java.util.List<CertificateDecoder>	getCertificateDecoders()
java.lang.String	getKeyFormat()
boolean	supportsKey(java.security.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(java.lang.String signatureAlgorithm,
                       java.lang.String keyFormat,
                       java.lang.Class<R> keyType)

KeyAlgorithm

protected KeyAlgorithm(java.lang.String signatureAlgorithm,
                       java.lang.String keyFormat,
                       java.lang.Class<R> keyType,
                       java.security.Provider provider)

Method Detail

generateSignature

public byte[] generateSignature(byte[] message,
                                R pk,
                                java.security.SecureRandom rnd)
                         throws java.io.IOException

Throws:

java.io.IOException

verifySignature

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

Throws:

java.io.IOException

getKeyFormat

public java.lang.String getKeyFormat()

encodeSignature

public abstract byte[] encodeSignature(byte[] signature)
                                throws java.io.IOException

Throws:

java.io.IOException

decodeSignature

public abstract byte[] decodeSignature(byte[] encodedSignature)
                                throws java.io.IOException

Throws:

java.io.IOException

encodePublicKey

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

Throws:

java.io.IOException

decodePublicKey

public abstract java.security.PublicKey decodePublicKey(byte[] encodedPublicKey)
                                                 throws java.io.IOException

Throws:

java.io.IOException

getCertificateDecoders

public abstract java.util.List<CertificateDecoder> getCertificateDecoders()

supportsKey

public boolean supportsKey(java.security.PrivateKey key)