Create Readme.md

Author: TheShashank13

AES Descyption/Readme.md

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+This repository contains code to decrypt payload which is encrypted using AES 256
+Decryption to be done using AES key stored in system property named 'decrypt_key'
+The file background script.js contains the code to call jar via ECC- Mid Server
+decrypt.java contains java code utilized for decryption