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Basic WEP encryption: RC4 keystream XORed with plaintext. Standard 64-bit WEP uses a 40-bit key (also known as WEP-40), which is concatenated with a 24-bit initialization vector (IV) to form the RC4 key. At the time that the original WEP standard was drafted, the U.S. Government's export restrictions on cryptographic technology limited the key ...
WEP used a 64-bit or 128-bit encryption key that must be manually entered on wireless access points and devices and does not change. TKIP employs a per-packet key, meaning that it dynamically generates a new 128-bit key for each packet and thus prevents the types of attacks that compromised WEP.
Wireless security is another aspect of computer security. Organizations may be particularly vulnerable to security breaches [6] caused by rogue access points.. If an employee adds a wireless interface to an unsecured port of a system, they may create a breach in network security that would allow access to confidential materials.
The actual messages exchanged during the handshake are depicted in the figure and explained below (all messages are sent as EAPOL-Key frames): The AP sends a nonce-value (ANonce) to the STA together with a Key Replay Counter, which is a number that is used to match each pair of messages sent, and discard replayed messages. The STA now has all ...
Please help improve it to make it understandable to non-experts, without removing the technical details. ( February 2018 ) ( Learn how and when to remove this message ) CCMP uses CCM that combines CTR mode for data confidentiality and cipher block chaining message authentication code (CBC-MAC) for authentication and integrity.
WEP may stand for: Abbreviation of weapon; War emergency power, an engine mode for military aircraft; Weak equivalence principle, in relativity theory;
A recent hearing by the U.S. House Ways and Means Committee’s Subcommittee on Social Security concluded that the WEP and GPO deny public servants “their hard-earned retirement benefits ...
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