Method and apparatus for serving content from a semi-trusted...

Details Method and apparatus for serving content from a semi-trusted... Method and apparatus for serving content from a semi-trusted...

2006-01-10

2006-01-10

Jung, David (Department: 2134)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S170000, C713S153000, C713S156000

Reexamination Certificate

active

06986047

ABSTRACT:
This invention provides methods and apparatus for enabling access to restricted information contained at a semi-trusted web-server. Restricted information is information that is only available to a selected group of authorized clients. A client desiring access to the restricted information authenticates itself with a trusted web-server, and obtains a client credential. The client then contacts the semi-trusted web-server with the credential and obtains access to the restricted content. The restricted information may be encrypted at the semi-trusted web-server, so that the restricted information is secure even if the semi-trusted web-server is not completely secure.

REFERENCES:
patent: 5857191 (1999-01-01), Blackwell, Jr. et al.
patent: 5875296 (1999-02-01), Shi et al.
patent: 6067623 (2000-05-01), Blakley, III et al.
patent: 6138162 (2000-10-01), Pistriotto et al.
patent: 6330605 (2001-12-01), Christensen et al.
http://www3.ca.com/Files/DataSheets/etrust_web_access_control_data_sheet.pdf.
http://publib.boulder.ibm.com/infocenter/wasinfo/index.jsp?topic=/com.ibm.wasee.doc/info/ee/ae/csec_trust.html.

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