no.difi.asic

Class SignatureHelper

java.lang.Object

no.difi.asic.SignatureHelper

public class SignatureHelper
extends Object

Helper class to assist when creating a signature.

Not thread safe

Author:

steinar Date: 11.07.15 Time: 22.53

Field Summary

Fields

Modifier and Type	Field and Description
protected Certificate[]	certificateChain
protected org.bouncycastle.operator.jcajce.JcaContentSignerBuilder	jcaContentSignerBuilder
protected org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder	jcaDigestCalculatorProviderBuilder
protected KeyPair	keyPair
protected Provider	provider
protected X509Certificate	x509Certificate

Constructor Summary

Constructors

Modifier	Constructor and Description
	SignatureHelper(File keyStoreFile, String keyStorePassword, String keyPassword) Loads the keystore and obtains the private key, the public key and the associated certificate
	SignatureHelper(File keyStoreFile, String keyStorePassword, String keyAlias, String keyPassword) Loads the keystore and obtains the private key, the public key and the associated certificate referenced by the alias.
	SignatureHelper(InputStream keyStoreStream, String keyStorePassword, String keyAlias, String keyPassword) Loading keystore and fetching key
protected	SignatureHelper(Provider provider)

Method Summary

Modifier and Type	Method and Description
protected void	loadCertificate(KeyStore keyStore, String keyAlias, String keyPassword)
protected KeyStore	loadKeyStore(InputStream keyStoreStream, String keyStorePassword)

Methods inherited from class java.lang.Object

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

Field Detail

provider

protected final Provider provider

jcaDigestCalculatorProviderBuilder

protected final org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder jcaDigestCalculatorProviderBuilder

x509Certificate

protected X509Certificate x509Certificate

certificateChain

protected Certificate[] certificateChain

keyPair

protected KeyPair keyPair

jcaContentSignerBuilder

protected org.bouncycastle.operator.jcajce.JcaContentSignerBuilder jcaContentSignerBuilder

Constructor Detail

SignatureHelper

public SignatureHelper(File keyStoreFile,
                       String keyStorePassword,
                       String keyPassword)
                throws IOException

Loads the keystore and obtains the private key, the public key and the associated certificate

Throws:

IOException

SignatureHelper

public SignatureHelper(File keyStoreFile,
                       String keyStorePassword,
                       String keyAlias,
                       String keyPassword)
                throws IOException

Loads the keystore and obtains the private key, the public key and the associated certificate referenced by the alias.

Parameters:

keyStoreFile - file holding the JKS keystore.

keyStorePassword - password of the key store itself

keyAlias - the alias referencing the private and public key pair.

keyPassword - password protecting the private key

Throws:

IOException

SignatureHelper

public SignatureHelper(InputStream keyStoreStream,
                       String keyStorePassword,
                       String keyAlias,
                       String keyPassword)

Loading keystore and fetching key

Parameters:

keyStoreStream - Stream for keystore

keyStorePassword - Password to open keystore

keyAlias - Key alias, uses first key if set to null

keyPassword - Key password

SignatureHelper

protected SignatureHelper(Provider provider)

Method Detail

loadKeyStore

protected KeyStore loadKeyStore(InputStream keyStoreStream,
                                String keyStorePassword)

loadCertificate

protected void loadCertificate(KeyStore keyStore,
                               String keyAlias,
                               String keyPassword)