Text Encryption in Android Using Various Algorithms

Hello everyone, Welcome to RJ Programming. This video covers how Android apps can protect user data using several cryptographic algorithms. I’ll begin by explaining what encryption and decryption are, how keys work, and the role of hashing. Then we’ll look at modern algorithms such as AES, SHA-256, and MD5, followed by classic algorithms like Caesar Cipher and Playfair Cipher. For each algorithm, I will describe how it works step-by-step so that you understand the underlying logic before implementing it in Android. When encrypting text inside Android apps, developers need to balance security, performance, and simplicity. Some algorithms are secure for real applications, while others are mainly for educational or legacy reasons. This video will help clarify the differences and when each can be used. I hope you enjoy my video. Keep supporting me by liking and subscribing to my channel. #programming #encryption #encryptionmethods #aes #sha256 #md5 #caesar #android #androiddevelopment