One-time pad, also called Vernam cipher, is often considered as the strongest cryptography as long as you use the key only once. In this article the properties of a one-time pad will be analysed as well as attacks against it.
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CRC is a very common error detection algorithm for data transmission. It was never designed for cryptography. However it is sometimes used in protocols such as WEP. When used for cryptographic purpose, it can lead to compromising the security of the exchanges. In this article one of possible attack against use of CRC in cryptography will be detailed.
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