Package com.itextpdf.signatures.validation.extensions

Class KeyUsageExtension

java.lang.Object

com.itextpdf.signatures.validation.extensions.CertificateExtension

com.itextpdf.signatures.validation.extensions.KeyUsageExtension

       public class KeyUsageExtension extends CertificateExtension
      

Class representing "Key Usage" extenstion.

Constructor Summary

Constructors

Constructor	Description
KeyUsageExtension(int keyUsage)	Create new KeyUsageExtension instance using provided int flag.
KeyUsageExtension(KeyUsage keyUsageValue)	Create new KeyUsageExtension instance using provided single key usage enum value.
KeyUsageExtension(List<KeyUsage> keyUsages)	Create new KeyUsageExtension instance using provided key usage enum list.

Method Summary

Modifier and Type	Method	Description
boolean	existsInCertificate(X509Certificate certificate)	Check if this extension is present in the provided certificate.

Methods inherited from class com.itextpdf.signatures.validation.extensions.CertificateExtension

equals, getExtensionOid, getExtensionValue, hashCode

Methods inherited from class java.lang.Object

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

Constructor Details

KeyUsageExtension

             public KeyUsageExtension
             (int keyUsage)
            

Create new KeyUsageExtension instance using provided int flag.

Parameters:

keyUsage - int flag which represents bit values for key usage value

KeyUsageExtension

             public KeyUsageExtension
             (List<KeyUsage> keyUsages)
            

Create new KeyUsageExtension instance using provided key usage enum list.

Parameters:

keyUsages - key usages List which represents key usage values

KeyUsageExtension

             public KeyUsageExtension
             (KeyUsage keyUsageValue)
            

Create new KeyUsageExtension instance using provided single key usage enum value.

Parameters:

keyUsageValue - KeyUsage which represents single key usage enum value

Method Details

existsInCertificate

             public boolean existsInCertificate
             (X509Certificate certificate)
            

Check if this extension is present in the provided certificate. In case of KeyUsageExtension, check if this key usage bit values are present in certificate. Other values may be present as well.

Overrides:

existsInCertificate in class CertificateExtension

Parameters:

certificate - X509Certificate in which this extension shall be present

Returns:

true if this key usage bit values are present in certificate, false otherwise