SignatureExtension (Digital Signature Services 5.5 API)

All Known Implementing Classes:

CAdESLevelBaselineLT, CAdESLevelBaselineLTA, CAdESLevelBaselineT, XAdESLevelA, XAdESLevelBaselineLT, XAdESLevelBaselineLTA, XAdESLevelBaselineT, XAdESLevelC, XAdESLevelX, XAdESLevelXL
```
public interface SignatureExtension<SP extends AbstractSignatureParameters>
```
Extends the level of AdES signature of a document. After level -B, going upper in the signature format level consists of adding unsigned properties to the signature. It can be done without breaking the signature.

- Method Summary
  
  Modifier and Type Method Description
  
  DSSDocument extendSignatures(DSSDocument document, SP params)
  Extends the level of the signatures contained in a document.

- Method Detail
  - extendSignatures
```
DSSDocument extendSignatures(DSSDocument document,
                             SP params)
                      throws DSSException
```
    Extends the level of the signatures contained in a document.
    
    Parameters:
    
    document - The signed document to be signed
    
    params -
    
    Returns:
    
    Throws:
    
    DSSException