# Code signing workflows in Signer
<a name="workflows"></a>

The signing procedures for AWS services by Signer are service-specific workflows. The following topics describe workflows for signing IoT binaries, Lambda zip files, and container images. 

**Important**  
Steps common to all workflows have been covered in [Get started with AWS Signer](getting-started.md). Workflow steps in the following topics are not interchangeable. 

**Topics**
+ [Sign Internet of Things (IoT) objects](iot-workflow.md)
+ [Sign AWS Lambda code](lambda-workflow.md)
+ [Sign container images in Signer](container-workflow.md)