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Encryption method and system for portable data

  • US 5,623,546 A
  • Filed: 06/23/1995
  • Issued: 04/22/1997
  • Est. Priority Date: 06/23/1995
  • Status: Expired due to Term
First Claim
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1. A method for providing access through a new host to encrypted data using an encryption key, wherein a first split of a password-modified key is stored in a portable encryption device, and a second split of said password-modified key is stored elsewhere, said method comprising the steps of:

  • a) connecting said portable encryption device to said new host;

    b) providing a password;

    c) obtaining said second split of said password-modified key; and

    d) recreating said encryption key with said password to produce a recreated encryption key, first split of said password-modified key, and said second split of said password-modified key.

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