Multi-grade Cryptography

Published: Apr 02, 2000
Updated: Apr 02, 2000
Section: Network Security Library :: Cryptography
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This paper presents a new paradigm for secret-key cryptography that may be useful for export control (and perhaps also for law-enforcement). We call it multi-grade cryptography because it makes a single cryptosystem appear to present multiple levels of security. It is not based on key-escrow, but rather on computational complexity.

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