Digital Signing Dialog Box UI Reference
Use the Digital Signing dialog box to sign a package with a digital signature or to remove the signature. The Digital Signing dialog box is available from the Digital Signing option on the SSIS menu in SQL Server Data Tools (SSDT).
For more information, see Identify the Source of Packages with Digital Signatures and Sign a Package by Using a Digital Certificate.
Click to open the Select Certificate dialog box, and select the certificate to use.
Click to remove the digital signature.