| Encryption is the process of storing
| |
| | is a block cipher adopted as an
|
| information in a way so as to make it
| |
| | encryption standard by the US government.
|
| unreadable without special knowledge.
| |
| | Rijndael is used worldwide and analysed
|
| Encryption has been used to protect
| |
| | extensively. Rijndael became effective as
|
| communications and secure information for
| |
| | a standard May 26, 2002. As of 2006,
|
| centuries, but only organizations and
| |
| | Rijndael is one of the most popular
|
| individuals with an great need for
| |
| | algorithms used in symmetric key
|
| secrecy had made use of it.
| |
| | cryptography.
|
| Julius Caeser is the first known user of
| |
| | The cipher was developed by two Belgian
|
| an encryption system. His system was
| |
| | cryptographers, Joan Daemen and Vincent
|
| known as Caeser's keys. He wanted to send
| |
| | Rijmen, from whose surnames the term
|
| messages, but did not want the messengers
| |
| | Rijndael was conceived. The cipher was
|
| to read them. To prevent this, he used an
| |
| | submitted to the AES selection process,
|
| alphabetic substitution in his messages;
| |
| | stating that Rijndael was designed based
|
| replacing "A" with "D", "B" with "E", "C
| |
| | on the following three criteria:
|
| with "F", etc. The recipient of the
| |
| | 1) Resistance against all known attacks
|
| message was aware of the secret of the
| |
| | 2) Speed and code compactness on a wide
|
| encryption, so for him it was very
| |
| | range of platforms
|
| straightforward to decipher the message.
| |
| | 3) Design simplicity
|
| An example of a sentence using Caeser's
| |
| | Rijndael was evaluated by the National
|
| keys is below. It is not difficult to see
| |
| | Security Agency (NSA), based on its
|
| the pattern.
| |
| | security, its cost and its algorithm and
|
| Plain Text: THE QUICK BROWN FOX JUMPED
| |
| | implementation characteristics. There
|
| OVER THE LAZY DOG
| |
| | were several candidate algorithms, but
|
| Cipher Text: WKH TXLFN EURZQ IRA MXPSHG
| |
| | Rijndael was selected as it had the best
|
| RYHU WKH ODCB GRJ
| |
| | combination of security, performance,
|
| Obviously, this method of encryption is
| |
| | efficiency, ease of implementation and
|
| not very secure. Though encryption has
| |
| | flexibility. NSA stated that Rijndael was
|
| been around for thousands of years, only
| |
| | secure enough for US Government
|
| in the last century have we seen great
| |
| | non-classified data. In June 2003, the US
|
| advancement in the field of cryptography.
| |
| | Government announced that Rijndael may be
|
| The invention of computers changed the
| |
| | used for classified information.
|
| face of cryptography completely.
| |
| | It is the mark of good quality software
|
| Computers were able to calculate much
| |
| | if it uses the Rijndael encryption method
|
| faster than the people who worked on
| |
| | to secure information.
|
| them, and suddenly an encrypted message
| |
| | One such program is Info Manager.
|
| could be broken within a few minutes on a
| |
| | PortaWhiz Info Manager uses the Rijndael
|
| normal PC, and consequesntly the message
| |
| | encrytion method to keep your information
|
| was no longer secure. In response to the
| |
| | secure. The program gives you one place
|
| need for new and secure methods of
| |
| | on your Pocket PC your desktop where you
|
| encryption, the cryptographic world
| |
| | can organize and store all of your
|
| flourished in the latter part of the 20th
| |
| | important information into neat folders.
|
| century. In the mid-1970s, strong
| |
| | This means that all your important
|
| encryption emerged from the preserve of
| |
| | information is stored together, in neat
|
| secretive government agencies into the
| |
| | and tidy bundles; which are easy to
|
| public.
| |
| | retrieve at any time you require. Only
|
| In cryptography, the Advanced Encryption
| |
| | the bearer of the administrator password
|
| Standard (AES); also known as Rijndael,
| |
| | will then possibly be able to access it.
|
