IExternalSignatureContainer

All Known Implementing Classes:

ExternalBlankSignatureContainer, PKCS7ExternalSignatureContainer
```
public interface IExternalSignatureContainer
```
Interface to sign a document. The signing is fully done externally, including the container composition.

Method Summary

All Methods Instance Methods Abstract 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.

- Method Detail
  - sign
```
byte[] sign(java.io.InputStream data)
     throws java.security.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:
    
    java.security.GeneralSecurityException - the general security exception
  - 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