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Null Cipher: Encryption, Plaintext, Classical Cipher -

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2026-03-24
194,30 € 259,07 €

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A null cipher is an ancient form of encryption where the plaintext is mixed with a large amount of non-cipher material. It would today be regarded as a simple form of steganography. Null ciphers can also be used to hide ciphertext, as part of a more complex system. In classical cry ... Pilns apraksts

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Aprašymas

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A null cipher is an ancient form of encryption where the plaintext is mixed with a large amount of non-cipher material. It would today be regarded as a simple form of steganography. Null ciphers can also be used to hide ciphertext, as part of a more complex system. In classical cryptography a null is intended to confuse the cryptanalyst. Typically, a null will be a character which decrypts to obvious nonsense at the end of an otherwise intelligible phrase. In a null cipher, most of the characters may be nulls. Taking the first letter in each word successively yields the real message: "Newt is upset because he thinks he is President." In modern cryptology, null cipher (or NONE cipher) is also defined as choosing not to use encryption in a system where various encryption options are offered, such as for testing/debugging, or authentication-only communication.

Vairāk informācijas

Izdevējs OmniScriptum
Izlaides gads 2026
Vāka tips Mīkstais vāks
EAN 9786132951960
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194,30 € 259,07 €