Package com.github.katenachain.crypto.ED25519

Class PrivateKey

java.lang.Object

com.github.katenachain.crypto.AbstractKey

com.github.katenachain.crypto.ED25519.PrivateKey

public class PrivateKey
extends AbstractKey

PrivateKey is an Ed25519 private key wrapper (64 bytes).

Field Summary

Fields inherited from class com.github.katenachain.crypto.AbstractKey

key

Constructor Summary

Constructors

Constructor	Description
PrivateKey(byte[] privateKey)	PrivateKey constructor with byte[].
PrivateKey(String privateKeyBase64)	PrivateKey constructor with String.

Method Summary

Modifier and Type	Method	Description
PublicKey	getPublicKey()	PublicKey Getter
byte[]	sign(byte[] message)	accepts a message and returns its corresponding Ed25519 signature.

Methods inherited from class com.github.katenachain.crypto.AbstractKey

getKey

Methods inherited from class java.lang.Object

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

Constructor Detail

PrivateKey

public PrivateKey(byte[] privateKey)

PrivateKey constructor with byte[].

Parameters:

privateKey - byte[]

PrivateKey

public PrivateKey(String privateKeyBase64)

PrivateKey constructor with String.

Parameters:

privateKeyBase64 - String

Method Detail

getPublicKey

public PublicKey getPublicKey()

PublicKey Getter

Returns:

PublicKey public key

sign

public byte[] sign(byte[] message)
            throws NoSuchAlgorithmException,
                   InvalidKeyException,
                   SignatureException

accepts a message and returns its corresponding Ed25519 signature.

Parameters:

message - byte[]

Returns:

byte[] byte [ ]

Throws:

NoSuchAlgorithmException - the no such algorithm exception

InvalidKeyException - the invalid key exception

SignatureException - the signature exception