密码学和密码技术 [英] cryptography and ciphers techniques

问题描述

我的讲师拒绝我的科学计算器项目，所以现在我需要重新开始.

我正在考虑创建一个Java或C ++程序，该程序将接受密码并要求密钥对其进行加密.我将提供数字作为键，并且将仅使用2个键.

第一个密钥将用于单字母密码，我认为将使用切换用例，其他密钥可以是Hill或vigenere密码.

但是我对vigenere密码一无所知，请帮助我如何编写此代码.我希望大家都知道这种技术，如果可能的话，请提出任何其他简单的密码技术.

另外，我也在寻找一个解密程序，该程序将对加密密码进行解密，该密码将由加密程序发送，并且密钥将根据用户的早期决定提供.

谢谢

Well my project for scientific calculator is rejected by my lecturer so now I need to start all again.

I am thinking of creating a java or c++ program which will accept a password and ask for key to encrypt it. I will provide numbers to key and only 2 keys will be used.

1st key will be for mono-alphabetic cipher for which I think switch cases would be used and other key can be Hill or vigenere cipher.

But I am not getting any idea for vigenere cipher please help me on how can I write code for this. I hope you all know about this technique and if possible please suggest any other simple cipher technique.

Also then I am looking to make a decryption program which will decrypt the encrypted password which will be send by encryption program and key will be supplied as decide by user earlier.

Thanks

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