https://cdn.arstechnica.net/wp-content/uploads/2019/10/rdrand-test.zip - download, extract, launch ./test-rdrand and check if produces something different than 0xffffffff
https:/ /cdn.arstechnic a.net/wp- content/ uploads/ 2019/10/ rdrand- test.zip - download, extract, launch ./test-rdrand and check if produces something different than 0xffffffff