hera.util.pki

Class ECDSAKey

java.lang.Object

hera.util.pki.ECDSAKey

public class ECDSAKey
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	logger
protected org.bouncycastle.crypto.params.ECDomainParameters	params
protected java.security.PrivateKey	privateKey
protected java.security.PublicKey	publicKey
protected ECDSAVerifier	verifier

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ECDSAKey(java.security.PrivateKey privateKey, java.security.PublicKey publicKey, org.bouncycastle.crypto.params.ECDomainParameters ecParams) ECDSAKey constructor.

Method Summary

Modifier and Type	Method and Description
static ECDSAKey	of(java.security.PrivateKey privateKey, java.security.PublicKey publicKey, org.bouncycastle.crypto.params.ECDomainParameters ecParams) Create ECDSAKey with keypair.
ECDSASignature	sign(byte[] hashedMessage) Sign to message.
protected ECDSASignature	sign(java.security.PrivateKey privateKey, byte[] message)
java.lang.String	toString()
boolean	verify(byte[] hashedMessage, ECDSASignature signature) Check if signature is valid for plainText.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final transient org.slf4j.Logger logger

privateKey

protected final java.security.PrivateKey privateKey

publicKey

protected final java.security.PublicKey publicKey

params

protected final org.bouncycastle.crypto.params.ECDomainParameters params

verifier

protected final ECDSAVerifier verifier

Constructor Detail

ECDSAKey

protected ECDSAKey(java.security.PrivateKey privateKey,
                   java.security.PublicKey publicKey,
                   org.bouncycastle.crypto.params.ECDomainParameters ecParams)

ECDSAKey constructor.

Parameters:

privateKey - a private key

publicKey - a public key

ecParams - an ec parameters

Method Detail

of

public static ECDSAKey of(java.security.PrivateKey privateKey,
                          java.security.PublicKey publicKey,
                          org.bouncycastle.crypto.params.ECDomainParameters ecParams)

Create ECDSAKey with keypair.

Parameters:

privateKey - a private key

publicKey - a public key

ecParams - an ec parameters

Returns:

ECDSAKey

sign

public ECDSASignature sign(byte[] hashedMessage)

Sign to message.

Parameters:

hashedMessage - a sha256-hashed message

Returns:

signature ECDSA signature

sign

protected ECDSASignature sign(java.security.PrivateKey privateKey,
                              byte[] message)
                       throws java.lang.Exception

Throws:

java.lang.Exception

verify

public boolean verify(byte[] hashedMessage,
                      ECDSASignature signature)

Check if signature is valid for plainText.

Parameters:

hashedMessage - a sha256-hashed message

signature - ECDSA signature

Returns:

if valid

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object