本加密程序基于著名的TEA加密算法,密钥长度为128位,安全性高于DES算法(56位).

该算法安全、简洁、高效,加密解密速度极快,占用内存极少，非常适合于嵌入式系统

的加密解密，也能胜任大系统的安全性能要求。算法能防止常见的密码学攻击。

本程序中待加密的明文、加密生成的密文皆按64位数据分组进行加解密。

密钥长度128位，与AES、IDEA相当，从而确保足够的安全性。-The encryption program is based on the famous TEA encryption algorithm, key length 128 bits, safe in the DES algorithm (56). The algorithm safe, simple, efficient, fast encryption and decryption, occupy very little memory, very suitable for embedded systems encryption and decryption, also qualified for the safety of large-scale system performance requirements. Algorithm to prevent the common cryptographic attack. The procedure to be encrypted plaintext, encrypted ciphertext are carried out by a 64-bit data packet encryption and decryption. 128-bit key length, and AES, IDEA rather, to ensure adequate security.