Automatic Event-Stream Notarization Using Digital Signatures


Published: Feb 26, 2000 Updated: Feb 26, 2000 Section: Network Security Library :: Cryptography Author: Company: Counterpane Internet Security, Inc. Printable Version Adjust font size: Rating: 3/5 - 1 Votes 1 2 3 4 5

Some digital signature algorithms (such as RSA) require messages to be padded before they are signed. Secure tokens can use these padding bits as a subliminal channel to embed auditing information in their signed messages. These auditing bits simplify protecting against lost and stolen tokens; breaks of specific protocols, hash functions, and ciphers; and attacks based on defeating a token's tamper-resistance.

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