To obtain HSM Signing Encrypting Script For Nexus, please follow below process to submit a Technical Support case.
After logging in Latticesemi.com web site, go to http://www.latticesemi.com/Support to create a new Technical Support Request.
Below are entries for some mandatory fields to select from the drop-down menu:
Case Type: Documentation
Case Category: App Note / Tech Note
Product Family: (choose any Nexus product family)
Once TS Request is received, we'll respond and provide you the documentation within 48 hours.