develop a simple Web Application on java linked to a Cloud (e.g. AWS)

a web application that allows the user to upload documents such as word, pdf or excel to the cloud after encrypting using a searchable encryption algorithm that enables searching on the uploaded encrypted files using the web application First of all, the development of the system will have essentials requirements, 1. The searchable algorithm of paper Practical Techniques for Searches on Encrypted Data (by Dawn Song, published in S&P 2000) USING JAVA LANGUAGE as I have attached the paper article, and java source development of already searchable encryption using the same algorithm for reference developing. 2. NOTE: for the cryptography searchable encryption algorithm must be developed from scratch without using the ready library of java as the source attached, the code must be complex and efficient for future developing 3. I have attached the presentation slides explaining the cryptography algorithm Second, after developing the cryptography engine for files I want to link the engine with a web application (website) modern style that linked to cloud such as Amazon S3, you can suggest one but it must be a real cloud as the one mentioned, so, the website interface must have basic cloud file storage such as login page, upload etc.