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SYMMETRIC CRYPTOGRAPHY

mohsikhan89, on Wednesday 2 April 2008 à 15:25:04
Hello,


Tell me about the SYMMETRIC CRYPTOGRAPHY ?
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 darani, on Wednesday 2 April 2008 à 16:59:10
Hi friend, Until i know there is only Symmetric encryption. So do u want to know about that?
If there is something really called symmetric key cryptography then i'll learn it soon....

have a gr8 day
bye tc
   
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Résultats pour SYMMETRIC CRYPTOGRAPHY

Cryptography - The Vigenère cipher The Vigenère cipher is a symmetric cryptosystem, which means it uses the same key for encryption and decryption. The Vigenère cipher closely resembles the Caesar cipher, with the exception that it uses a longer key to offset the major problem of the... en.kioskea.net/crypto/vigenere.php3
Cryptography - Public-key systems The principle of asymmetric encryption (also called public-key encryption) first appeared in 1976, with the publication of a work about cryptography by Whitfield Diffie and Martin Hellman. In an asymmetric cryptosystem (or public-key cryptosystem),... en.kioskea.net/crypto/clepublique.php3
Cryptography - Session keys Asymmetric algorithms (which come into play in public-key cryptosystems) make it possible to eliminate problems related to key sharing via a secure channel. However, they remain much less effective (in terms of calculation time) than symmetric... en.kioskea.net/crypto/cledesession.php3

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PKCSHello, What is the meaning of the Public-Key Cryptography Standard ? en.kioskea.net/forum/affich-3722-pkcs
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Cryptography - Substitution cipher Substitution cipher involves replacing one or more entities (generally letters) in a message with one or more other entities. There are several types of substitution cryptosystems: Monoalphabetic substitution involves replacing each letter in the... en.kioskea.net/crypto/simple.php3
Cryptography - PGP (Pretty Good Privacy) PGP (Pretty Good Privacy) is a cryptosystem (encryption system) that was invented by Philip Zimmermann, a computer analyst. From 1984 to 1991, Philip Zimmermann worked on a program that made it possible to run RSA on personal computers (PGP).... en.kioskea.net/crypto/pgp.php3
Cryptography - Enigma "Never blindly trust a cryptography system" - Gilles Dubertret The need to encrypt messages appeared at the end of World War I (although encryption techniques had already existed for a long time). It was a Dutchman living in Germany, Dr. Arthur... en.kioskea.net/crypto/enigma.php3
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