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  2. Ibn Adlan - Wikipedia

    en.wikipedia.org/wiki/Ibn_Adlan

    [4] [3] Unlike the cryptological treatises of Al-Kindi before him and later Ibn al-Durayhim (c. 1312–1361), which provide theoretical background on cryptography including systematic explanations on types of ciphers, Ibn 'Adlan's On Cryptanalysis focuses on the practical matters and specific methods in breaking encrypted texts of his time ...

  3. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία-logia, "study", respectively [1]), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2]

  4. Unsolved! - Wikipedia

    en.wikipedia.org/wiki/Unsolved!

    The book's first chapter is devoted to Voynich Manuscript, which has earned the reputation of being the "book no one can read" due to its unknown language and script, as well as its obscure illustrations. Bauer devotes almost 90 pages to this subject, delving into its historical and cryptographic aspects.

  5. Cryptanalysis - Wikipedia

    en.wikipedia.org/wiki/Cryptanalysis

    Even though the goal has been the same, the methods and techniques of cryptanalysis have changed drastically through the history of cryptography, adapting to increasing cryptographic complexity, ranging from the pen-and-paper methods of the past, through machines like the British Bombes and Colossus computers at Bletchley Park in World War II ...

  6. Encryption - Wikipedia

    en.wikipedia.org/wiki/Encryption

    The question of balancing the need for national security with the right to privacy has been debated for years, since encryption has become critical in today's digital society. The modern encryption debate [42] started around the '90s when US government tried to ban cryptography because, according to them, it would threaten national security ...

  7. Bibliography of cryptography - Wikipedia

    en.wikipedia.org/wiki/Bibliography_of_cryptography

    Modern Cryptography Theory and Practice ISBN 0-13-066943-1. An up-to-date book on cryptography. Touches on provable security, and written with students and practitioners in mind. Mel, H.X., and Baker, Doris (2001). Cryptography Decrypted, Addison Wesley ISBN 0-201-61647-5. This technical overview of basic cryptographic components (including ...

  8. Mlecchita vikalpa - Wikipedia

    en.wikipedia.org/wiki/Mlecchita_vikalpa

    Mlecchita Vikalpa is the art of secret writing and secret communications. In The Codebreakers, a 1967 book by David Kahn about the history of cryptography, the reference to Mlecchita Vikalpa in Kamasutra is cited as proof of the prevalence of cryptographic methods in ancient India. Though Kamasutra does not have details of the methods by which ...

  9. Kasiski examination - Wikipedia

    en.wikipedia.org/wiki/Kasiski_examination

    Kasiski actually used "superimposition" to solve the Vigenère cipher. He started by finding the key length, as above. Then he took multiple copies of the message and laid them one-above-another, each one shifted left by the length of the key.