Step 1: Generating a Parameter Set for the Diffie‐Hellman Key Agreement Algorithm Step 2: Generating a Secret Key Using the Diffie‐Hellman Key Agreement Algorithm Step 3: Use UDP to exchange DH public key Step 4: Establish an AES‐256 encrypted

java语言编写基于DES加密算法的TCP聊天程序-java language based on the DES encryption algorithm for TCP chat program