Package io.jans.as.model.crypto.signature

Class EDDSAKeyFactory

java.lang.Object

io.jans.as.model.crypto.KeyFactory<EDDSAPrivateKey,EDDSAPublicKey>

io.jans.as.model.crypto.signature.EDDSAKeyFactory

public class EDDSAKeyFactory
extends KeyFactory<EDDSAPrivateKey,EDDSAPublicKey>

Factory to create asymmetric Public and Private Keys for the Edwards Curve Digital Signature Algorithm (EDDSA)

Version:

July 23, 2021

Author:

Sergey Manoylo

Field Summary

Fields

Modifier and Type	Field	Description
protected static final byte[]	Ed25519Prefix
protected static final byte[]	Ed448Prefix

Constructor Summary

Constructors

Constructor	Description
EDDSAKeyFactory(SignatureAlgorithm signatureAlgorithm, String dnName)	Constructor

Method Summary

Modifier and Type	Method	Description
static EDDSAPrivateKey	createEDDSAPrivateKeyFromDecodedKey(SignatureAlgorithm signatureAlgorithm, byte[] decodedPrivateKey, byte[] decodedPublicKey)	Creates EDDSA private key from decoded array
static EDDSAPublicKey	createEDDSAPublicKeyFromDecodedKey(SignatureAlgorithm signatureAlgorithm, byte[] decodedPublicKey)	Creates EDDSA public key from decoded array
Certificate	generateV3Certificate(Date startDate, Date expirationDate, String dnName)	Generates certificate X509 v3
Certificate	getCertificate()	Returns X509 Certificate
EDDSAPrivateKey	getPrivateKey()	Returns EDDSA Private Key
EDDSAPublicKey	getPublicKey()	Returns EDDSA Public Key

Methods inherited from class io.jans.as.model.crypto.KeyFactory

getKey

Methods inherited from class java.lang.Object

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

Field Details

Ed448Prefix

protected static final byte[] Ed448Prefix

Ed25519Prefix

protected static final byte[] Ed25519Prefix

Constructor Details

EDDSAKeyFactory

public EDDSAKeyFactory(SignatureAlgorithm signatureAlgorithm,
 String dnName)
                throws NoSuchAlgorithmException,
NoSuchProviderException,
InvalidAlgorithmParameterException,
org.bouncycastle.operator.OperatorCreationException,
CertificateException

Constructor

Parameters:

signatureAlgorithm -

dnName -

Throws:

NoSuchProviderException

NoSuchAlgorithmException

InvalidAlgorithmParameterException

org.bouncycastle.operator.OperatorCreationException

CertificateException

Method Details

generateV3Certificate

public Certificate generateV3Certificate(Date startDate,
 Date expirationDate,
 String dnName)
                                  throws SignatureException

Generates certificate X509 v3

Overrides:

generateV3Certificate in class KeyFactory<EDDSAPrivateKey,EDDSAPublicKey>

Parameters:

startDate -

expirationDate -

dnName -

Returns:

Throws:

IllegalStateException

SignatureException

getPrivateKey

public EDDSAPrivateKey getPrivateKey()

Returns EDDSA Private Key

Specified by:

getPrivateKey in class KeyFactory<EDDSAPrivateKey,EDDSAPublicKey>

getPublicKey

public EDDSAPublicKey getPublicKey()

Returns EDDSA Public Key

Specified by:

getPublicKey in class KeyFactory<EDDSAPrivateKey,EDDSAPublicKey>

getCertificate

public Certificate getCertificate()

Returns X509 Certificate

Specified by:

getCertificate in class KeyFactory<EDDSAPrivateKey,EDDSAPublicKey>

createEDDSAPublicKeyFromDecodedKey

public static EDDSAPublicKey createEDDSAPublicKeyFromDecodedKey(SignatureAlgorithm signatureAlgorithm,
 byte[] decodedPublicKey)
                                                         throws SignatureException

Creates EDDSA public key from decoded array

Parameters:

signatureAlgorithm -

decodedPublicKey -

Returns:

Throws:

SignatureException

createEDDSAPrivateKeyFromDecodedKey

public static EDDSAPrivateKey createEDDSAPrivateKeyFromDecodedKey(SignatureAlgorithm signatureAlgorithm,
 byte[] decodedPrivateKey,
 byte[] decodedPublicKey)
                                                           throws SignatureException,
IOException

Creates EDDSA private key from decoded array

Parameters:

signatureAlgorithm -

decodedPrivateKey -

decodedPublicKey -

Returns:

Throws:

SignatureException

IOException