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In cryptography, DEAL (Data Encryption Algorithm with Larger blocks) is a symmetric block cipher derived from the Data Encryption Standard (DES). The design was proposed in a report by Lars Knudsen in 1998, and was submitted to the AES contest by Richard Outerbridge (who notes that Knudsen had presented the design at the SAC conference in 1997).
DEAL is a Feistel network which uses DES as the round function. It has a 128-bit block size and a variable key size of either 128, 192, or 256 bits. For key sizes of 128 and 192 bits, the cipher uses 6 rounds, increasing to 8 for the 256-bits size. The scheme has a comparable performance to Triple DES, and was relatively slow compared to many other AES candidates.

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  1. UnionMillsNW

    Night Vision...Good Deal?

    Hey Folks, I've had plenty of experience with night vision coming from the military...I just wish I had the same tax dollars the government keeps to buy such cool gadgets. As just an average joe trekking through the backwoods I haven't needed it too much in recent years. A year ago some beer...
  2. Mikej

    The "Help a Dummy Deal With Windows 10" thread.....

    Sigh.... Hard drive died. New computer with windows 10 up and running. So much annoying bull poo popping up. Windows 7 worked just fine. I also just got the first notice of support for W7 coming to an end. I'm running Ad Block and Ghostery. I installed the free trial Malware bytes but it...
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