SignerProvider (OpenSAML :: XML Security API 4.0.0 API)

```
@ThreadSafe
public interface SignerProvider
```
Interface for a component which is responsible for cryptographically computing and storing the actual digital signature content held within a Signature instance.
Implementations must be thread-safe.

Instances of this classes are usually used via the Signer service class.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void signObject(Signature signature)
  Signs a single XMLObject.

- Method Detail
  - signObject
```
void signObject(@Nonnull
                Signature signature)
         throws SignatureException
```
    Signs a single XMLObject.
    
    Parameters:
    
    signature - the signature to computer the signature on
    
    Throws:
    
    SignatureException - thrown if there is an error computing the signature