What is the AES algorithm?

In conversation about computer security, for example, the term algorithm in computer security concerns a cryptographic algorithm, which is a sequence of procedures or rules to adhere to in encryption messages. Algorithms can be simpler or more complicated, and those that are more complicated are more difficult to burst. AES means advanced encryption standard and AES algorithm is another name for the Rijndael algorithm that has been selected for use in AES standard.

The Rijndael algorithm was selected in an international competition that was included in AES. When it was time to think about changing the data encryption standard (des) -Který was only 55-bit key length and was considered slow and placed on the processors of the heavy-national institution for standards and technologies (NIST) called cryptographers to come up with Advanced algorithm on which AES can be founded. The invitation was carried out in 1997 and 21 contributions developed teams from 11 countries were considered. In 2000 was al ofGorithm Rijndael chosen as an AES algorithm, and therefore AES is sometimes referred to as AES algorithm (Rijndael).

Rijndael - is expressed in various ways AS/Rain Dahl/or Rine Dahl/ - he was named by combining parts of two developers names, Joan Daemen and Vincent Rijmen. The algorithm was based on an earlier algorithm that has evolved together called Square . The new AES algorithm is a block algorithm with processed data in 128 -bit blocks. But while the DES keys were only 56 bits, they could be 128, 192 or 256 bits for Rijndael. However, there were some concerns about how safe the new algorithm is, and attempts to burst IT are underway.

The

AES algorithm was selected by the United States government for non -classified and sensitive documents in 2000. In 2003, AES was adopted by new European signatures, integrity and encryption systems (Nessie) Consortium. Also in 2003 withThe National Security Agency (NSA) decided to use the highest AES bit keys for top secret documents. Internet exchange of keys (IKE) also uses the AES algorithm to transmit a secret key for the recipient for message decrypting. AES is also used in the security of the Internet protocol (IPSEC), a security protocol for verification and encryption on the web.