Package com.adobe.internal.pdftoolkit.core.credentials.impl.utils

Class CertUtils

java.lang.Object

com.adobe.internal.pdftoolkit.core.credentials.impl.utils.CertUtils

public class CertUtils
extends Object

A collection of utility methods related to cert creation and conversion

Method Summary

Modifier and Type	Method	Description
static byte[][]	buildDERCertChain(Certificate[] certChain)	Converts a java Certificate Chain to a der encoded byte array.
static int	computeJavaPrivateKeySize(PrivateKey privateKey)	Computes the size of a JCE PrivateKey
static PrivateKey	createJCEPrivateKey(byte[] encodedPriKey, String keyWrappingFormat)	Create a JCE PrivateKey given a DER encoded set of bytes representing the key.
static PrivateKeyHolder	createJCEPrivateKeyHolder(byte[] encodedPriKey, String keyWrappingFormat)	Create a JCE PrivateKey given a DER encoded set of bytes representing the key.
static String	getCommonSubjectName(X509Certificate x509Certificate)	Returns value of "CN" attribute from subject name of this certificate.
static Certificate	importCertificate(byte[] certData)	Creates a JCE X509 certificate from a DER encoded byte array representing the certificate.
static Certificate[]	importCertificateChain(byte[][] certData)	Creates a JCE X509 certificate chain from a DER encoded byte array representing the cert chain

Methods inherited from class java.lang.Object

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

Method Details

importCertificate

public static Certificate importCertificate(byte[] certData)
                                     throws CertificateException,
IOException

Creates a JCE X509 certificate from a DER encoded byte array representing the certificate.

Parameters:

certData -

Returns:

java.security.cert.Certificate

Throws:

CertificateException

IOException

importCertificateChain

public static Certificate[] importCertificateChain(byte[][] certData)
                                            throws CertificateException,
IOException

Creates a JCE X509 certificate chain from a DER encoded byte array representing the cert chain

Parameters:

certData -

Returns:

certificate chain

Throws:

CertificateException

IOException

createJCEPrivateKey

public static PrivateKey createJCEPrivateKey(byte[] encodedPriKey,
 String keyWrappingFormat)
                                      throws NoSuchAlgorithmException,
InvalidKeySpecException

Create a JCE PrivateKey given a DER encoded set of bytes representing the key.

Parameters:

encodedPriKey -

keyWrappingFormat -

Returns:

PrivateKey

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

createJCEPrivateKeyHolder

public static PrivateKeyHolder createJCEPrivateKeyHolder(byte[] encodedPriKey,
 String keyWrappingFormat)
                                                  throws NoSuchAlgorithmException,
InvalidKeySpecException

Create a JCE PrivateKey given a DER encoded set of bytes representing the key.

Parameters:

encodedPriKey -

keyWrappingFormat -

Returns:

JCEPrivateKeyHolder

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

buildDERCertChain

public static byte[][] buildDERCertChain(Certificate[] certChain)
                                  throws CertificateEncodingException,
CertificateException

Converts a java Certificate Chain to a der encoded byte array.

Parameters:

certChain -

Returns:

byte[][] representing the der cert chain

Throws:

CertificateEncodingException

CertificateException

computeJavaPrivateKeySize

public static int computeJavaPrivateKeySize(PrivateKey privateKey)
                                     throws NoSuchAlgorithmException,
InvalidKeySpecException

Computes the size of a JCE PrivateKey

Parameters:

privateKey -

Returns:

size of the JCE PrivateKey

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

getCommonSubjectName

public static String getCommonSubjectName(X509Certificate x509Certificate)

Returns value of "CN" attribute from subject name of this certificate.

Parameters:

x509Certificate -

Returns:

String