Data processing method and apparatus, and storage medium...

Details Data processing method and apparatus, and storage medium... Data processing method and apparatus, and storage medium...

2005-02-15

2005-02-15

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular node for directing data and applying cryptography

C713S171000, C713S152000, C713S152000

Reexamination Certificate

active

06857070

ABSTRACT:
In order to prevent manipulation of a specific portion of XML (Extensible Markup Language) data, data not to be manipulated is extracted from the XML data, the extracted data is encoded using a secret key of a public-key cryptographic system, the encoded data is returned to the XML data, an “encrypt-privatekey” property is given to a tag of the XML data, and a URL (Universal Resource Locator) data, serving as a location of reference of a public key corresponding to the secret key is inserted as the value of the property. If the encoded data can be decoded using the public key acquired from the URL data, it is possible to confirm that the decoded data is data formed by a person having the secret key corresponding to the public key, and that the decoded contents are not manipulated.

REFERENCES:
patent: 6343318 (2002-01-01), Hawkins et al.
patent: 6363479 (2002-03-01), Godfrey et al.

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