V11.5.3--- different domain encryption and decryption by different certificate

Hello A file introuduce different domain encryption and decryption by defferent certificate,but it's no longer available in BIG-IP 11.4.0 and later versions;

I  need a file which is available for BIG-IP 11.4.0 and later version ;

3Q!!
![Image Text](/Portals/0/Users/201/29/221129/1.png)