The conventional playfair cipher has lost its potency due to the sophistication of modern systems that can break it by brute force. This work proposes an improved playfair encryption and decryption that will be hard to break by brute force procedure. It uses a 16 X 16 arrays of ASCII characters ensuring relevance in all computing fields instead of the conventional 26 upper case alphabets substitution. An implementation of the cryptographic concept was realized using PHP programming language and embedded in the Advanced Encryption Standard (AES) algorithm. We argue from the perspective of cryptanalysis that our proposed approach is stronger and will be more difficult to break.
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机译：由于现代系统的复杂性，传统的游戏规则密码已经失去了效力，而现代系统可以通过暴力破解它。这项工作提出了一种改进的游戏公平加密和解密，将很难通过蛮力程序破坏它。它使用16 X 16 ASCII字符数组来确保在所有计算字段中的相关性，而不是传统的26个大写字母替换。密码概念的实现是使用PHP编程语言实现的，并嵌入到高级加密标准（AES）算法中。我们从密码分析的角度认为，我们提出的方法更强大，并且将更难以破解。
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