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Hashing is a common technique used in cryptography to encode information quickly using typical algorithms. Generally, an algorithm is applied to a string of text, and the resulting string becomes the "hash value". This creates a "digital fingerprint" of the message, as the specific hash value is used to identify a specific message.
1989 – Quantum cryptography experimentally demonstrated in a proof-of-the-principle experiment by Charles Bennett et al. 1991 – Phil Zimmermann releases the public key encryption program PGP along with its source code, which quickly appears on the Internet. 1994 – Bruce Schneier's Applied Cryptography is published.
A Short History of Cryptography; Paris Math History Sites; Protection of Information – The Lessons of History; INFOSEC and INFOWAR: Considerations for Military Intelligence; Codes and Ciphers in History, Part 1 – To 1852; Codes, Ciphers, & Codebreaking from Greg Goebel's IN THE PUBLIC DOMAIN
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 January 2025. Practice and study of secure communication techniques "Secret code" redirects here. For the Aya Kamiki album, see Secret Code. "Cryptology" redirects here. For the David S. Ware album, see Cryptology (album). This article needs additional citations for verification. Please help improve ...
Page information; Get shortened URL; Download QR code; Print/export Download as PDF; Printable version; ... History of cryptography; 0–9. 40-bit encryption; 56-bit ...
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography is a book by Simon Singh, published in 1999 by Fourth Estate and Doubleday. The Code Book describes some illustrative highlights in the history of cryptography , drawn from both of its principal branches, codes and ciphers .
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Augustus the Younger, Duke of Brunswick-Lüneburg, wrote a standard book on cryptography; Ibn Wahshiyya: published several cipher alphabets that were used to encrypt magic formulas. [1] John Dee, wrote an occult book, which in fact was a cover for crypted text