[oneliner][openssl] You can compare TLS CSR and TLS key by using one liner.

Compare_csr_and_key_of_TLS

domain=<Your domain>; [[ $(openssl rsa -text -noout -in $domain.key  | grep -A 3 -w modulus: | tail -1 | grep $(openssl req -text -noout -in $domain.csr | grep -A 3 -w Modulus: | tail -1)) ]] && { echo -e "\033[32m[Success] Compared $domain.{key,csr}, these had each matched the module.\033[00m" } || { echo "\033[31m[Fail] Compared $domain.{key,csr}, these don't have each matched the module.\033[00m" }