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15 Δεκ 2012 · I made a simple class that handles lowercase, uppercase and numbers. It uses the StringBuilder class to make the output. To decode a string, you would use the opposite shift (if you encrypt with shift = 2, decrypt with shift = -2).
27 Ιαν 2012 · You'll need to set the cipher mode to CipherMode.ECB or use an IV. SymmetricAlgorithm symmetricAlgorithm = DES.Create(); symmetricAlgorithm.Key = new byte[8] { 1, 2, 3, 4, 5, 6, 7, 8 }; symmetricAlgorithm.Mode = CipherMode.ECB; ...
This repository houses a powerful package designed for anyone interested in learning and implementing cryptographic algorithms in c#. With a focus on clarity, robustness, and educational value, our library provides implementations for a variety of cryptographic algorithms.
Some classical/modern ciphers in C language and Python to encrypt and decrypt important information and keep the information safe, such as integrity, authentication, confidentiality and availability of the data. Some implemented ciphers are: Affine, DES and AES (with modes of operation for BMP images)
Caesar Cipher Programming Algorithm in C#. In cryptography, a Caesar cipher, also known as shift cipher, Caesar's cipher, Caesar's code or Caesar shift, is one of the simplest and most widely known encryption techniques.
5 Νοε 2016 · The Caesar Cipher involves replacing each letter of the alphabet with the letter – standing places down or up according to the key given. Suppose “M” is the plaintext and the key is given as 4, then you get the Ciphertext as the letter “Q”. In a similar way “A” is the plaintext then Ciphertext will be – “E”.
31 Ιαν 2023 · The best algorithm to encrypt and decrypt a string in C# depends on the use case, but some popular options include: 1. AES (Advanced Encryption Standard) is a symmetric key block cipher algorithm that is widely used for secure data transmission. It encrypts data in fixed-size blocks of 128 bits, using a key size of 128, 192, or 256 bits.
