Cryptographic Sealing for Information Secrecy and Authentication

  title={Cryptographic Sealing for Information Secrecy and Authentication},
  author={David Kenneth Gifford},
  journal={Commun. ACM},
A new protection mechanism is described that provides general primitives for protection and authentication. The mechanism is based on the idea of sealing an object with a key. Sealed objects are self-authenticating, and in the absence of an appropriate set of keys, only provide information about the size of their contents. New keys can be freely created at any time, and keys can also be derived from existing keys with operators that include Key-And and Key-Or. This flexibility allows the… CONTINUE READING
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Information Storage in a Decentralized Computer System

  • D. K. Gifford
  • Ph.D. Thesis,
  • 1981
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