Abner Germanow, an analyst at International Data Corp. in Framingham, Mass., says it's still unclear how quickly AES will be integrated into existing applications used in the private sector. Because there's already a large installed base that uses the algorithms developed by RSA Data Security Inc. in Redwood City, Calif., new applications being built from the ground up will probably use AES on the first attempt and then switch to RSA if that isn't successful, Germanow predicts. 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. While most evaluators of the algorithms want to avoid complexity by selecting one to serve as a standard, there's a vocal minority that wants to select more than one. I think there is a benefit to looking at multiple algorithms.
Different algorithms behave differently under different environments.
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