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by stcredzero 3169 days ago
How about this? Take the old Blowfish block encryption algorithm and eliminate the key expansion and expand it so that the s-boxes and p-array take up 16TB of data? What you'd wind up with is a block cipher that has a 16TB key. Since Blowfish is clearly "prior art," and is unencumbered by patents, this might make this approach harder to attack using patent law.