de.alpharogroup.crypto.factories

Class CertFactory

java.lang.Object

de.alpharogroup.crypto.factories.CertFactory

public class CertFactory
extends Object

The factory class CertFactory holds methods for creating Certificate objects and sub classes like X509Certificate.

Constructor Summary

Constructors

Constructor and Description
CertFactory()

Method Summary

Modifier and Type	Method and Description
static X509Certificate	newEndEntityX509CertificateV3(KeyPair keyPair, org.bouncycastle.asn1.x500.X500Name issuer, BigInteger serial, Date notBefore, Date notAfter, org.bouncycastle.asn1.x500.X500Name subject, String signatureAlgorithm, X509Certificate caCert) Factory method for creating a new intermediate X509Certificate object of version 3 of X.509 from the given parameters that can be used as an end entity certificate.
static X509Certificate	newIntermediateX509CertificateV3(KeyPair keyPair, org.bouncycastle.asn1.x500.X500Name issuer, BigInteger serial, Date notBefore, Date notAfter, org.bouncycastle.asn1.x500.X500Name subject, String signatureAlgorithm, X509Certificate caCert) Factory method for creating a new intermediate X509Certificate object of version 3 of X.509 from the given parameters that can be used to sign other certificates.
static X509Certificate	newX509Certificate(PublicKey publicKey, PrivateKey privateKey, BigInteger serialNumber, String subject, String issuer, String signatureAlgorithm, Date start, Date end) Factory method for creating a new X509Certificate object from the given parameters.
static X509Certificate	newX509Certificate(String type, byte[] certificateData) Factory method for creating a new X509Certificate from the given certificate type and certificate data as byte array.
static X509Certificate	newX509CertificateV1(KeyPair keyPair, org.bouncycastle.asn1.x500.X500Name issuer, BigInteger serial, Date notBefore, Date notAfter, org.bouncycastle.asn1.x500.X500Name subject, String signatureAlgorithm) Factory method for creating a new X509Certificate object of the first version of X.509 from the given parameters.

Methods inherited from class java.lang.Object

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

Constructor Detail

CertFactory

public CertFactory()

Method Detail

newX509Certificate

public static X509Certificate newX509Certificate(String type,
                                                 byte[] certificateData)
                                          throws CertificateException

Factory method for creating a new X509Certificate from the given certificate type and certificate data as byte array.

Parameters:

type - the certificate type

certificateData - the certificate data as byte array

Returns:

the new X509Certificate

Throws:

CertificateException - is thrown if no Provider supports a CertificateFactorySpi implementation for the given certificate type.

newX509Certificate

public static X509Certificate newX509Certificate(PublicKey publicKey,
                                                 PrivateKey privateKey,
                                                 BigInteger serialNumber,
                                                 String subject,
                                                 String issuer,
                                                 String signatureAlgorithm,
                                                 Date start,
                                                 Date end)
                                          throws Exception

Factory method for creating a new X509Certificate object from the given parameters.

Parameters:

publicKey - the public key

privateKey - the private key

serialNumber - the serial number

subject - the subject

issuer - the issuer

signatureAlgorithm - the signature algorithm

start - the start

end - the end

Returns:

the new X509Certificate object

Throws:

Exception - is thrown if if a security error occur

newX509CertificateV1

public static X509Certificate newX509CertificateV1(KeyPair keyPair,
                                                   org.bouncycastle.asn1.x500.X500Name issuer,
                                                   BigInteger serial,
                                                   Date notBefore,
                                                   Date notAfter,
                                                   org.bouncycastle.asn1.x500.X500Name subject,
                                                   String signatureAlgorithm)
                                            throws Exception

Factory method for creating a new X509Certificate object of the first version of X.509 from the given parameters. SecurityProvider is Bouncy Castle.

Parameters:

keyPair - the key pair

issuer - X500Name representing the issuer of this certificate.

serial - the serial number for the certificate.

notBefore - date before which the certificate is not valid.

notAfter - date after which the certificate is not valid.

subject - X500Name representing the subject of this certificate.

signatureAlgorithm - the signature algorithm i.e 'SHA1withRSA'

Returns:

the new X509Certificate object

Throws:

Exception - is thrown if if a security error occur

newIntermediateX509CertificateV3

public static X509Certificate newIntermediateX509CertificateV3(KeyPair keyPair,
                                                               org.bouncycastle.asn1.x500.X500Name issuer,
                                                               BigInteger serial,
                                                               Date notBefore,
                                                               Date notAfter,
                                                               org.bouncycastle.asn1.x500.X500Name subject,
                                                               String signatureAlgorithm,
                                                               X509Certificate caCert)
                                                        throws Exception

Factory method for creating a new intermediate X509Certificate object of version 3 of X.509 from the given parameters that can be used to sign other certificates.

Parameters:

keyPair - the key pair

issuer - X500Name representing the issuer of this certificate.

serial - the serial number for the certificate.

notBefore - date before which the certificate is not valid.

notAfter - date after which the certificate is not valid.

subject - X500Name representing the subject of this certificate.

signatureAlgorithm - the signature algorithm i.e 'SHA1withRSA'

caCert - the ca cert

Returns:

the X509Certificate object

Throws:

Exception - is thrown if if a security error occur

newEndEntityX509CertificateV3

public static X509Certificate newEndEntityX509CertificateV3(KeyPair keyPair,
                                                            org.bouncycastle.asn1.x500.X500Name issuer,
                                                            BigInteger serial,
                                                            Date notBefore,
                                                            Date notAfter,
                                                            org.bouncycastle.asn1.x500.X500Name subject,
                                                            String signatureAlgorithm,
                                                            X509Certificate caCert)
                                                     throws Exception

Factory method for creating a new intermediate X509Certificate object of version 3 of X.509 from the given parameters that can be used as an end entity certificate.

Parameters:

keyPair - the key pair

issuer - X500Name representing the issuer of this certificate.

serial - the serial number for the certificate.

notBefore - date before which the certificate is not valid.

notAfter - date after which the certificate is not valid.

subject - X500Name representing the subject of this certificate.

signatureAlgorithm - the signature algorithm i.e 'SHA1withRSA'

caCert - the ca cert

Returns:

the X509Certificate object

Throws:

Exception - is thrown if if a security error occur