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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).
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.
21 Νοε 2022 · Rijndael is based on the block cipher method which uses a symmetric key encryption technique. It works with the help of invertible and discrete layers. As for C#, the Rijndael key supports key lengths of 128, 192, and 256 bits and also supports blocks of 128 (by default), 192, and 256 bits.
.Net 5.0 implementation of Speck cipher in C#. Speck is a family of lightweight block ciphers publicly released by the National Security Agency (NSA) in June 2013. Speck has been optimized for performance in software implementations.
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”.
26 Μαρ 2024 · AES (Advanced Encryption Standard) is a symmetric block cipher algorithm that encrypts fixed-length blocks of data (128 bits). AES uses the same key to encrypt and decrypt data. Key sizes can...
17 Αυγ 2019 · Have you ever wanted to encrypt some sensitive data? Then you have probably came across various articles about AES (Advanced Encryption Standard). As of August 2019, AES is still the recommended algorithm to use so let’s look at how you can use it. Intro and a little bit of theory.
