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Rijndael is a simple file encryption and decryption utility is a Windows software that allows you easily and quickly to encrypt and decrypt selected files on your computer using the latest industry standard strong encryption algorithms: AES-128 (US Advanced Encryption Standard, secret-key encryption also known as Rijndael) (128-bit key).

Easy to use and fast: The interface is easy to use. In 4 easy to to follow steps you can encrypt or decrypt files. Encryption algorithms are very fast. At encrypting/decrypting a file it is necessary to set the password and quantity of rounds.

By estimations of developers of code Rijndael, already on four roundes of enciphering this algorithm gets sufficient stability. Theoretical border behind which linear and differential kinds of the analysis lose sense, the boundary in 6-8 roundes depending on the size of the block is. According to the specification, in the code 10-14 roundes are stipulated. On the second bookmark of the program you can check up MD5 Hash files: initial, after enciphering and after decoding.

As has shown an expert, to use together a package of three-dimensional modelling, animation and visualization 3ds Max and environments of development of software Borland Delphi 7 (GLScene) yield very good results.

Export of objects from 3ds Max in Borland Delphi 7 is carried out through a format 3ds as it is one of the most widespread formats of files of three-dimensional objects. But use of the given format will allow to break copyrights and to use models of objects in other projects without the consent of the author. This problem has led to creation of system of ciphering of resources files of the project. The developed system is based on algorithm of enciphering “Rijndael” and is aimed at prevention of not authorized copying of contents of resource files of the project.

More in detail about algorithm of enciphering “Rijndael”:
CSRC- Computer Security Resource Center
Advanced Encryption Standard - Wikipedia