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Data decryption system

  • US 20020136403A1
  • Filed: 03/01/2001
  • Published: 09/26/2002
  • Est. Priority Date: 02/02/2001
  • Status: Active Grant
First Claim
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1. A system for data decryption, the system comprising the steps of:

  • an input operable to receive encrypted data associated with a plurality of plain characters, the encrypted data comprising a plurality of offsets;

    a memory operable to store a key block comprising a plurality of key characters, each plain character corresponding to a key character of the plurality of key characters;

    processor operable to repeat the following for a subsequent offset of the plurality of offsets to decrypt the encrypted data;

    locate a current key character;

    locate a next key character corresponding to the offset applied to the current key character; and

    determine a plain character corresponding to the next key character.

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