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CCMP is a data cryptographic encapsulation mechanism designed for data confidentiality, integrity and authentication. It is based upon the Counter Mode with CBC-MAC ( CCM mode ) of the Advanced Encryption Standard (AES) standard. [ 1 ]
WPA2 employs the Advanced Encryption Standard AES with a 128-bit key, enhancing security through the Counter-Mode/CBC-Mac Protocol CCMP. This protocol ensures robust encryption and data integrity, using different Initialization Vectors (IVs) for encryption and authentication purposes. [12] The 4-way handshake involves:
CCM requires two block cipher encryption operations on each block of an encrypted-and-authenticated message, and one encryption on each block of associated authenticated data. According to Crypto++ benchmarks, AES CCM requires 28.6 cycles per byte on an Intel Core 2 processor in 32-bit mode. [6] Notable inefficiencies:
CCMP is based on the Counter with CBC-MAC (CCM) mode of the AES encryption algorithm. CCM combines CTR for confidentiality and CBC-MAC for authentication and integrity. CCM protects the integrity of both the MPDU Data field and selected portions of the IEEE 802.11 MPDU header.
NetLib Encryptionizer supports AES 128/256 in CBC, ECB and CTR modes for file and folder encryption on the Windows platform. Pidgin (software) , has a plugin that allows for AES Encryption Javascrypt [ 8 ] Free open-source text encryption tool runs entirely in web browser, send encrypted text over insecure e-mail or fax machine.
AES-GCM-SIV is an improvement over the very similarly named algorithm GCM-SIV, with a few very small changes (e.g. how AES-CTR is initialized), but which yields practical benefits to its security "This addition allows for encrypting up to 2 50 messages with the same key, compared to the significant limitation of only 2 32 messages that were ...
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The Advanced Encryption Standard (AES), also known by its original name Rijndael (Dutch pronunciation: [ˈrɛindaːl]), [5] is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001.