com.itextpdf.text.pdf.security
Interface ExternalSignatureContainer

All Known Implementing Classes:

ExternalBlankSignatureContainer

public interface ExternalSignatureContainer

Interface to sign a document. The signing is fully done externally, including the container composition.

Author:

Paulo Soares

Method Summary

void	modifySigningDictionary(PdfDictionary signDic) Modifies the signature dictionary to suit the container.
byte[]	sign(InputStream data) Produces the container with the signature.

Method Detail

sign

byte[] sign(InputStream data)
            throws GeneralSecurityException

Produces the container with the signature.

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:

GeneralSecurityException

modifySigningDictionary

void modifySigningDictionary(PdfDictionary signDic)

Modifies the signature dictionary to suit the container. At least the keys PdfName.FILTER and PdfName.SUBFILTER will have to be set.

Parameters:

signDic - the signature dictionary