java.lang.Object
- com.adobe.internal.pdftoolkit.core.credentials.impl.utils.CertUtils

```
public class CertUtils
extends java.lang.Object
```
A collection of utility methods related to cert creation and conversion

Method Summary

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

importCertificate

public static java.security.cert.Certificate importCertificate(byte[] certData)
                                                        throws java.security.cert.CertificateException,
                                                               java.io.IOException

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

Parameters:: certData -
Returns:: java.security.cert.Certificate
Throws:: java.security.cert.CertificateException; java.io.IOException

importCertificateChain

public static java.security.cert.Certificate[] importCertificateChain(byte[][] certData)
                                                               throws java.security.cert.CertificateException,
                                                                      java.io.IOException

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

Parameters:: certData -
Returns:: certificate chain
Throws:: java.security.cert.CertificateException; java.io.IOException

createJCEPrivateKey

public static java.security.PrivateKey createJCEPrivateKey(byte[] encodedPriKey,
                                                           java.lang.String keyWrappingFormat)
                                                    throws java.security.NoSuchAlgorithmException,
                                                           java.security.spec.InvalidKeySpecException

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

Parameters:: encodedPriKey -; keyWrappingFormat -
Returns:: PrivateKey
Throws:: java.security.NoSuchAlgorithmException; java.security.spec.InvalidKeySpecException

createJCEPrivateKeyHolder

public static PrivateKeyHolder createJCEPrivateKeyHolder(byte[] encodedPriKey,
                                                         java.lang.String keyWrappingFormat)
                                                  throws java.security.NoSuchAlgorithmException,
                                                         java.security.spec.InvalidKeySpecException

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

Parameters:: encodedPriKey -; keyWrappingFormat -
Returns:: JCEPrivateKeyHolder
Throws:: java.security.NoSuchAlgorithmException; java.security.spec.InvalidKeySpecException

buildDERCertChain

public static byte[][] buildDERCertChain(java.security.cert.Certificate[] certChain)
                                  throws java.security.cert.CertificateEncodingException,
                                         java.security.cert.CertificateException

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

Parameters:: certChain -
Returns:: byte[][] representing the der cert chain
Throws:: java.security.cert.CertificateEncodingException; java.security.cert.CertificateException

computeJavaPrivateKeySize

public static int computeJavaPrivateKeySize(java.security.PrivateKey privateKey)
                                     throws java.security.NoSuchAlgorithmException,
                                            java.security.spec.InvalidKeySpecException

Computes the size of a JCE PrivateKey

Parameters:: privateKey -
Returns:: size of the JCE PrivateKey
Throws:: java.security.NoSuchAlgorithmException; java.security.spec.InvalidKeySpecException

getCommonSubjectName
```
public static java.lang.String getCommonSubjectName(java.security.cert.X509Certificate x509Certificate)
```
Returns value of "CN" attribute from subject name of this certificate.

Parameters:

x509Certificate -

Returns:

String

Class CertUtils