| Interface | Description | 
|---|---|
| SignatureSpec | Specifies how objects will be signed. | 
| Class | Description | 
|---|---|
| Sign | A task for creating digital signature files for one or more; tasks, files, publishable artifacts or configurations. | 
| Signature | A digital signature file artifact. | 
| SigningExtension | The global signing configuration for a project. | 
| SigningPlugin | Adds the ability to digitally sign files and artifacts. | 
| SignOperation | A sign operation creates digital signatures for one or more files or  publish artifacts. |