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Topic: Advanced Encryption Standard process

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In the News (Mon 22 Apr 19)

  Advanced Encryption Standard - Wikipedia, the free encyclopedia
In cryptography, the Advanced Encryption Standard (AES), also known as Rijndael, is a block cipher adopted as an encryption standard by the US government.
It is expected to be used worldwide and analysed extensively, as was the case with its predecessor, the Data Encryption Standard (DES).
As a new encryption standard, it is currently being deployed on a large scale.
en.wikipedia.org /wiki/Advanced_Encryption_Standard   (1776 words)

 Advanced Encryption Standard process - Wikipedia, the free encyclopedia
The Advanced Encryption Standard (AES), the block cipher ratified as a standard by National Institute of Standards and Technology (NIST), was chosen using a process markedly more open and transparent than its predecessor, the ageing Data Encryption Standard (DES).
This process won plaudits from the open cryptographic community, and helped to increase confidence in the security of the winning algorithm from those who were suspicious of backdoors in the predecessor, DES.
The primary motivation for a new standard was the fact that DES has a relatively small 56-bit key which was becoming vulnerable to brute force attacks.
en.wikipedia.org /wiki/Advanced_Encryption_Standard_process   (601 words)

 Advanced Encryption Standard
The Advanced Encryption Standard, more commonly referred to as AES, is a block cipher with a block size[?] of 128 bits and key sizes of 128, 192, and 256 bits.
It was adopted by NIST as US FIPS PUB 197 in November 2001 after a 5-year standardisation process.
As the new block cipher 'standard' it is currently being deployed on a large scale.
www.ebroadcast.com.au /lookup/encyclopedia/ae/AES.html   (679 words)

 Advanced Encryption Standard - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-05)
In cryptography, the Advanced Encryption Standard (AES), also known as Rijndael, is a block cipher adopted as an encryption standard by the US government, and is expected to be used worldwide and analysed extensively, as was the case with its predecessor, the Data Encryption Standard (DES).
It was adopted by National Institute of Standards and Technology (NIST) as US FIPS PUB 197 in November 2001 after a 5-year standardisation process (see Advanced Encryption Standard process for more details).
Along with the cipher itself, a document concerning "modes of operation" is also expected to be made an official standard.
www.encyclopedia-online.info /AES   (929 words)

 Standard Process Supplements -- Recommendations and Resources   (Site not responding. Last check: 2007-11-05)
In a "dialectic process, one ideology wins out over the others (the very aim of such process is to achieve the triumph of one over the other).
A process may be identified by the changes it creates in the properties of one or more objects under its influence.
Process is a concept used ubiquitously in science and deserves a page, whether it is to have my particular conceptual organization should be left up to the normal editing process.
becomingapediatrician.com /health/141/standard-process-supplements.html   (1226 words)

 AES - the Advanced Encryption Standard
The Advanced Encryption Standard is the new information protection standard defined by the US to protect certain levels of Federal information and communications.
The selection process for an AES algorithm begain in 1997, and the new standard, plus algorithm specification, was approved in November 2001 and published as Federal Information Protections Standards Publication 197 (FIPS-197).
RC6 is a parameterised family of encryption ciphers that essentially use the Feistel structure; 20 rounds were specified for the AES submission.
www.cescomm.co.nz /about/aes.html   (1365 words)

 Cryptomathic Labs - Technical Dictionary   (Site not responding. Last check: 2007-11-05)
The principle of encryption is to convert a plain text into a cipher text by the use of mathematical algorithms/keys.
Encryption systems are only as strong as the length of the encryption key and depend on which type of mathematical equation - i.e.
Advanced Encryption Standard (AES) which offers three key sizes: 128, 192 and 256 bits, there has been a need for a companion hash algorithm with a similar level of security.
www.cryptomathic.com /labs/techdict.html   (2848 words)

The purpose of the conference was to introduce participants in the analysis and evaluation process to the various candidate algorithms.
Security is, of course, the paramount consideration in the AES selection process and encompasses such issues as the relative security of one candidate as compared to the others, and the extent to which the algorithm output is indistinguishable from a random permutation on the input block.
Because the key determines the computational process, that process is hidden from potential attacker, and the algorithm is difficult to model mathematically.
www.ieee-security.org /Cipher/ConfReports/conf-rep-aes.html   (5942 words)

 [No title]
Encryption has been used primarily to ensure secrecy in important communications, such as those of intelligence agents, military leaders, and diplomats.
Developed in the 1970s as a cooperative effort between IBM, the National Security Agency and several other governmental agencies, the Data Encryption Standard (DES) was the first attempt to produce a high-quality, government-sanctioned encryption algorithm for public commercial use (rather than the traditional military and diplomatic applications).
At the same time that the cryptography community was searching for a replacement for DES, the National Institute of Standards and Technology (NIST) was in the process of coordinating an open, public competition to find its own replacement for DES.
www.utimaco.us /encryption/aes.html   (888 words)

 VIA Technologies, Inc.
The cryptographic strength of these encryption systems depends on the strength of the key, that is, the difficulty of predicting, guessing, or calculating the key.
Short for Advanced Encryption Standard, AES is a highly advanced data encryption technique developed by Belgian cryptographers Joan Daemen and Vincent Rijmen.
Encryption under this system requires that the sender and receiver both have two keys; a private key and a public key.
www.via.com.tw /en/initiatives/padlock/hardware.jsp   (2432 words)

 Advanced Encryption Standard
The Gaithersburg, Md.-based organization is in the final stages of an open process of selecting one or more algorithms, or data-scrambling formulas, for the new Advanced Encryption Standard (AES) and plans to make a decision by late summer or early fall.
Roback agrees that the process for selecting an encryption standard has changed dramatically since 1975, when the government issued a call for DES algorithms.
Encryption tool kits sold by vendors typically include a large library of algorithms, he adds, and AES may become yet another choice on that list.
www.computerworld.com /printthis/2000/0,4814,45282,00.html   (930 words)

 FIPS 197 -- Advanced Encryption Standard
Federal Information Processing Standards Publications (FIPS PUBS) are issued by the National Institute of Standards and Technology (NIST) after approval by the Secretary of Commerce pursuant to Section 5131 of the Information Technology Management Reform Act of 1996 (Public Law 104-106) and the Computer Security Act of 1987 (Public Law 100-235).
This standard may be used by Federal departments and agencies when an agency determines that sensitive (unclassified) information (as defined in P. 100-235) requires cryptographic protection.
The basic unit for processing in the AES algorithm is a byte, a sequence of eight bits treated as a single entity.
cryptome.sabotage.org /aes/fips-197.htm   (5844 words)

 [No title]
The Advanced Encryption Standard (AES) is a National Institute of Standards and Technology specification for the encryption of electronic data.
DES was approved as a Federal standard in 1977 and remained viable until 1998 when a combination of advances in hardware, software, and cryptanalysis theory allowed a DES-encrypted message to be decrypted in 56 hours.
The number of rounds that the encryption algorithm uses is either 10, 12, or 14 and depends on whether the seed key size is 128, 192, or 256 bits.
msdn.microsoft.com /msdnmag/issues/03/11/AES   (5975 words)

 Define Advanced Encryption Standard - a definition from Whatis.com - see also: AES, FIPS PUB 197
The Advanced Encryption Standard (AES) is an encryption algorithm for securing sensitive but unclassified material by U.S. Government agencies and, as a likely consequence, may eventually become the de facto encryption standard for commercial transactions in the private sector.
In January of 1997, a process was initiated by the National Institute of Standards and Technology (NIST), a unit of the U.S. Commerce Department, to find a more robust replacement for the Data Encryption Standard (DES) and to a lesser degree Triple DES.
The specification called for a symmetric algorithm (same key for encryption and decryption) using block encryption (see block cipher) of 128 bits in size, supporting key sizes of 128, 192 and 256 bits, as a minimum.
searchsecurity.techtarget.com /sDefinition/0,,sid14_gci344759,00.html   (554 words)

 Programming with GNU Crypto 2.0.0
The AES was written by Joan Daemen and Vincent Rijmen for the AES process, and is derived from the Rijndael cipher.
DES is the Data encryption standard, a 64-bit cipher with a 56-bit key.
Rijndael is a symmetric block cipher written by Joan Daemen and Vincent Rijmen as a candidate to the Advanced Encryption Standard process, and was adopted as the AES.
www.gnu.org /software/gnu-crypto/manual/Ciphers.html   (603 words)

 15 enter crypto standard race | CNET News.com
The Advanced Encryption Standard is being selected to replace the widely used Data Encryption Standard (DES) that has been required since the 1970s for encryption products used by the federal government.
The Advanced Encryption Standard conference, which ends tomorrow, is part of a lengthy selection process that won't be completed for two more years, and it has drawn proposals from across the globe--United States, Canada, Israel, France, United Kingdom, and Germany.
Zimmermann calls the Advanced Encryption Standard "the most exciting thing in crypto for the last couple of years," noting that the open submissions and review process has produced high-quality entries from academic researchers as well as commercial firms.
news.com.com /2100-1001-214722.html?legacy=cnet&dd.ne.tx.rc   (928 words)

 Block cipher modes of operation -   (Site not responding. Last check: 2007-11-05)
Tweakable narrow-block encryption (LRW) mode and wide-block encryption (CMC and EME) modes, designed to securely encrypt sectors of a disk, are described in the article devoted to disk encryption.
The simplest of the encryption modes is the electronic codebook (ECB) mode, in which the message is split into blocks and each is encrypted separately.
Slightly more complex is the original DES method, which is to add a single one bit, followed by enough zero bits to fill out the block; if the message ends on a block boundary, a whole padding block will be added.
search.psychcentral.com /psypsych/Output_feedback   (1345 words)

 Application Security Inc. - DbEncrypt - Database Encryption for the Enterprise
The algorithm Rijndael was chosen by the NIST (National Institute of Standards) after several rounds of submissions and reviews.
Developed in the 1970's, DES was adopted as a standard by NIST and has been used widely ever since by the US government and other governments internationally.
Encryption of data using Blowfish can be very efficient on large processors once initialization has completed.
www.appsecinc.com /products/dbencrypt/oracle/algorithms.html   (728 words)

 CS 4803 - David Pritchett [AES - Introduction]
DEAL (Data Encryption Algorithm in Larger Blocks) is a 128-bit Feistel cipher that allows for 128-bit, 192-bit and 256-bit keys.
Begining in 1990, MAGENTA (Multi-function Algorithm for General Purpose Encryption and Network Telecommunication) is a six to eight round, 128-bit symmetric Feistel cipher that uses a 128-bit, 192-bit, or 256-bit key that is scheduled per round.
There are problems, however, including key scheduling weaknesses and a dissimilarity in encryption and decryption by "more than just a change in key scheduling" (Chen 36).
www.prism.gatech.edu /~gte043j/CS4803/3.html   (1736 words)

 NIST Begins Process to Develop Advanced Encryption Standard   (Site not responding. Last check: 2007-11-05)
The AES will be a Federal Information Processing Standard, which applies to agencies of the federal government, and will be available for voluntary use by companies, state and local governments and others who wish to use a strong encryption standard that is backed by the federal government.
In developing an Advanced Encryption Standard the government will seek to leverage the work already under way by industry to develop new encryption methods to succeed the Data Encryption Standard.
The DES is a current federal standard that is used extensively by many organizations, including the financial industry.
www.nist.gov /public_affairs/releases/n97-01.htm   (297 words)

 SAFER -   (Site not responding. Last check: 2007-11-05)
In cryptography, SAFER (Secure And Fast Encryption Routine) is the name of a family of block ciphers designed primarily by James Massey (one of the designers of IDEA) on behalf of Cylink Corporation.
SAFER+ (Massey et al, 1998) was submitted as a candidate for the Advanced Encryption Standard and has a block size of 128 bits.
SAFER+ was included in the Bluetooth standard as an algorithm for authentication and key generation.
psychcentral.com /psypsych/SAFER   (628 words)

 128 bit to 2048 bit strong aes encryption software.
Advanced Encryption Package 2006 Professional destructs files not only at FAT16 and FAT32 formatted hard drives and other media, but it includes special algorithms for NTFS formatted hard drives, it recognized and destructs NTFS compressed and encrypted files.
High encryption of file ensures that even if someone gets access to your computers he would not be able to read the data stored there.
That doesn't mean the encryption is weak, though; Advanced Encryption uses four strong algorithms.
www.secureaction.com /encryption_pro   (1659 words)

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