Hello, I am a computer engineer; I glad to do your job. I am an expert in Information Security, Web Security, Network Security, also web programming (PHP, ASP) , Programming (JAVA, jsp, C#, ..) , node.js, database(mysql), web service etc...
I will give you the best work due to my experts in php ,cryptography development and PKI .......
I need more details about what you are going to do, then I will give you my approach to do what you want...
Only chat with me to discuss more details my offer is best to you with my experts and commitment... Waiting your acceptance to start working.. I am very interested in your project and wish to do it .. Best Regards