Quartus

Quartus v12.1 is not downloadable anymore and we do not support this version anymore.

Please download the latest supported Quartus version in the link below, by filtering the version based on the device you used on the left panel.

https://www.intel.com/content/www/us/en/collections/products/fpga/software/downloads.html?s=Newest

You may checkout the Quartus release note to know more about the new feature for each Quartus release.

https://www.intel.com/content/www/us/en/support/programmable/support-resources/design-software/os-support.html

Intel® Quartus® Prime Pro Edition software supports the IEEE 1735 v1 encryption standard for IP core file decryption. (Quartus standard/lite does not)

You may checkout the user guide below.

https://www.intel.com/content/www/us/en/docs/programmable/683463/22-1/support-for-the-ieee-1735-encryption.html