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Auto-recoverable and auto-certifiable cryptosystem with unescrowed signing keys

  • US 6,122,742 A
  • Filed: 06/18/1997
  • Issued: 09/19/2000
  • Est. Priority Date: 06/18/1997
  • Status: Expired due to Fees
First Claim
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1. A method and apparatus for generating a public key for encryption and signature verification and a proof that the keys were generated by a specific algorithm comprising the steps of:

  • A) the user'"'"'s system generating a random string of bits based on system parameters;

    B) the user running a key generation algorithm to get a private signing key, private decryption key, and a public key using the random string and public parameters;

    C) the user constructing a proof which does not compromise the private keys but at the same time provides confidence to other verifying entities that said keys were generated properly by the specified algorithm.

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