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Doing business without SSN, EIN, and charge card numbers

  • US 20090158030A1
  • Filed: 12/14/2007
  • Published: 06/18/2009
  • Est. Priority Date: 12/14/2007
  • Status: Active Grant
First Claim
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1. A changeable series of proxy identifiers resulting from permutations of one or more encryption algorithms that use as input the original identifier to be encrypted, an encryption key string, one or more identifier-owner'"'"'s predefined passwords, and a user-specific encryption rule in making such encrypted instances of an original identifier such that when decrypted each instance would yield the original source identifier designating the same person, company, service, or the object it did before encryption.

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