SignatureInterface (library 2.0.27.0 API)

```
public interface SignatureInterface
```
Providing an interface for accessing necessary functions for signing a PDF document.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  byte[] sign(InputStream content)
  Creates a cms signature for the given content

- Method Detail
  - sign
```
byte[] sign(InputStream content)
     throws IOException
```
    Creates a cms signature for the given content
    
    Parameters:
    
    content - is the content as a (Filter)InputStream
    
    Returns:
    
    signature as a byte array
    
    Throws:
    
    IOException - if something went wrong