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Posts Tagged ‘cipher’

WEP is an encryption scheme based on the RC-4 cipher

Wednesday, June 18, 2008 21:11

WEP is an encryption scheme, based on the RC-4 cipher, that is available on all 802.11a, b and g wireless products. WEP uses a set of bits called a key to scramble information in the data frames as it leaves the access point or client adapter and the scrambled message ...

This was posted under category: Encryption  |  Read Full Story  |  2 Comments

What is snake oil

Tuesday, January 29, 2008 22:18

Refers to a cryptography or security product that makes exaggerated claims of what the product is capable of, giving the user a false sense of security. The term snake oil, which is credited to Matt Curtin for using in reference to computer security products, comes from ...

This was posted under category: Cryptography  |  Read Full Story  |  0 Comments

Glossary for cryptography

Tuesday, January 29, 2008 22:13

algorithm A procedure or mathematical formula. Cryptographic algorithms convert plaintext to and from ciphertext. cipher Synonym for ``cryptographic algorithm'' cryptanalysis To solve or ``break'' a cryptosystem. EAR Export Administration Regulations. The rules under which the export of cryptographic software from the US are governed now. escrow A third party able ...

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Encryption

Tuesday, January 29, 2008 20:43

The process of converting data into a coded form (ciphertext) to prevent it from being read and understood by an unauthorized party.  Encryption refers to algorithmic schemes that encode plain text into non-readable form or cyphertext, providing privacy. The receiver of the encrypted text uses a "key" to decrypt the ...

This was posted under category: Cryptography, E, Encryption, Glossary of computer security  |  Read Full Story  |  0 Comments

Cryptography

Monday, January 14, 2008 22:55

The art of protecting information by transforming it (encrypting it) into an unreadable format, called cipher text. Only those who possess a secret key can decipher (or decrypt) the message into plain text. Encrypted messages can sometimes be broken by cryptanalysis, also called ...

This was posted under category: C, Glossary of computer security  |  Read Full Story  |  0 Comments

XOR encryption is a trivially simple symmetric cipher

Thursday, September 6, 2007 21:05

XOR encryption is a trivially simple symmetric cipher which is used in many applications where security is not a defined requirement. The XOR Operator XOR, also know as Exclusive OR, is a bitwise operator from binary mathematics. The six bitwise operators, as defined in the C programming language, are: Operation Symbol AND & Inclusive ...

This was posted under category: Encryption  |  Read Full Story  |  0 Comments