Unfortunately, the specific hash values for Windows 10 IoT Enterprise LTSC images are not publicly available on the Microsoft website. To verify the integrity of your ISO file, you may need to contact Microsoft support or the vendor from whom you purchased the activation key for assistance in obtaining the hash values.
It is important to ensure that the ISO file you have is genuine and has not been tampered with, so reaching out to the appropriate support channels would be the best course of action.