The goal of this list is to provide educational reading material for different levels of cryptographic knowledge. I started it because my day job onboarding engineers at Cossack Labs includes ...

- text (str): The input text to encode or decode. - shift (int): The number of positions to shift letters by. - mode (str): Determines whether to "encode" (shift forward) or "decode" (shift backward).

Abstract: Summary form only given. The discussion will begin from simple to more efficient and effective symmetric and asymmetric ciphers. The main objective of this tutorial is to explain the ...

Abstract: Due to the increasing threats from possible large-scale quantum computers, post-quantum cryptography (PQC) has drawn significant attention from various communities recently. In particular, ...