The algorithm uses a mysterious constant δ as a multiple, which is derived from It is based on the golden ratio to ensure that each round of encryption is different. It uses the Feistel block encryption framework and requires 64 rounds of iterations, although the author believes that 32 rounds are sufficient. The TEA algorithm uses 64-bit plaintext blocks and 128-bit keys. The TEA algorithm was originally developed by David Wheeler and Roger Needham of the Cambridge Computer Laboratory. In the field of security, TEA (Tiny Encryption Algorithm) is a block encryption algorithm whose implementation is very simple, usually requiring only a few lines of code. This article has a lot of code, if you are more concerned about practicality, please check the last chapter directly( Advantages and Use Cases of TEA Encryption Algorithms). TEA (Tiny Encryption Algorithm) is a simple and efficient encryption algorithm, known for its fast encryption and decryption speed and simple and efficient implementation.
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