Package com.itextpdf.text.pdf.security
Class ExternalBlankSignatureContainer
- java.lang.Object
-
- com.itextpdf.text.pdf.security.ExternalBlankSignatureContainer
-
- All Implemented Interfaces:
ExternalSignatureContainer
public class ExternalBlankSignatureContainer extends java.lang.Object implements ExternalSignatureContainer
Produces a blank (or empty) signature. Useful for deferred signing with MakeSignature.signExternalContainer().
-
-
Field Summary
Fields Modifier and Type Field Description private PdfDictionary
sigDic
-
Constructor Summary
Constructors Constructor Description ExternalBlankSignatureContainer(PdfDictionary sigDic)
ExternalBlankSignatureContainer(PdfName filter, PdfName subFilter)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
modifySigningDictionary(PdfDictionary signDic)
Modifies the signature dictionary to suit the container.byte[]
sign(java.io.InputStream data)
Produces the container with the signature.
-
-
-
Field Detail
-
sigDic
private PdfDictionary sigDic
-
-
Constructor Detail
-
ExternalBlankSignatureContainer
public ExternalBlankSignatureContainer(PdfDictionary sigDic)
-
-
Method Detail
-
sign
public byte[] sign(java.io.InputStream data) throws java.security.GeneralSecurityException
Description copied from interface:ExternalSignatureContainer
Produces the container with the signature.- Specified by:
sign
in interfaceExternalSignatureContainer
- Parameters:
data
- the data to sign- Returns:
- a container with the signature and other objects, like CRL and OCSP. The container will generally be a PKCS7 one.
- Throws:
java.security.GeneralSecurityException
-
modifySigningDictionary
public void modifySigningDictionary(PdfDictionary signDic)
Description copied from interface:ExternalSignatureContainer
Modifies the signature dictionary to suit the container. At least the keys PdfName.FILTER and PdfName.SUBFILTER will have to be set.- Specified by:
modifySigningDictionary
in interfaceExternalSignatureContainer
- Parameters:
signDic
- the signature dictionary
-
-