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System for selective encryption within documents

  • US 8,364,980 B2
  • Filed: 01/13/2012
  • Issued: 01/29/2013
  • Est. Priority Date: 10/23/2003
  • Status: Expired due to Fees
First Claim
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1. A system comprising a processor, a memory device, and a computer readable storage device, said storage device containing instructions configured to be executed by the processor via the memory device to implement a method for selective encryption within a document, said method comprising:

  • detecting a portion of the document selected and marked for encryption, said selected portion of the document consisting of plaintext;

    encrypting the detected portion of the document selected for encryption as ciphertext;

    displaying the document with the selected portion of the document encrypted;

    detecting an attempt by an accessor to access the encrypted portion of the document;

    decrypting the encrypted portion of the document with a proper decryption key, wherein said decrypting comprises decrypting the encrypted portion of the document in response to presentation of required data by the accessor, and wherein the required data comprises the proper decryption key, a name of the accessor, and an employee number of the accessor; and

    displaying the portion of the document as decrypted.

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