In this demonstration, I use the TripleDES block encryption algorithm of the SunJCE cryptography provider.
在这个演示中，我使用了SunJCE密码术供应商的tripledes块加密算法。
As the representative of tradition block encryption algorithm, DES has a deadly weakness that is too small key space to prevent exhaust attacks.
DES作为传统分组密码算法的典型代表，存在密钥空间太小的致命弱点，在穷举密钥攻击下被破译。
An application example is given. Finally the security performance and anti-attack performance from both traditional block encryption algorithm and improved algorithm are analyzed and compared.
并给出了改进算法加密图像数据的应用实例，分析比较了改进后的算法和传统分组密码算法在安全性和抗破译性方面的性能。
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