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IDEA-Crypt

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IDEA chart

IDEA Crypt

Production of the IDEA (International Data Encryption Algorithm) cryptography algorithm with the operation-mode CBC (cipher block chaining) as Java code. No use of the Java Security API, since I heard times that this is uncertain.
Remark:
IDEA and Triple-DES are momentarily still considered as safe, whereas normal DES is to be cracked in 56 minutes with a special 220,000$ hardware. This hardware can try 90 trillion keys in one second. IDEA is, according to opinions of third, safer than Triple-DES, but unfortunately a license must be acquired with the commercial employment by IDEA. More information to symmetrical and asymmetrical coding procedures are to be found in the Cryptography.

Details

Language(s)	JAVA
Technologies	Core Java, cryptography
Tasks to solve	Search in safe symmetrical cryptography procedures, transformation of a C++ program code (IDEA algorithm) to Java code (problem: in Java there are no unsigned integers)
State	finished
Creation time area	28.01.2005 - 30.01.2005

JSWins (JavaScript-Desktop-System)