Information security – Access control or authentication – Network
Reexamination Certificate
2011-06-07
2011-06-07
Chai, Longbit (Department: 2431)
Information security
Access control or authentication
Network
C726S003000, C726S004000, C726S005000, C726S006000, C726S007000, C713S168000, C713S169000, C713S170000, C713S171000, C713S172000
Reexamination Certificate
active
07958548
ABSTRACT:
A method for provision of access for a data requesting entity (IRE) to data related to a principal is disclosed, comprising the steps of (i) creating an access granting ticket comprising an access specification specifying a permission for an access to data related to the principal, said data being available at a data providing entity (IPE1), and a principal identifier representing the principal towards the data providing entity (IPE1), (ii) encrypting the access granting ticket with an encryption key of the data providing entity (IPE1), (iii) communicating to the data requesting entity (IRE) the encrypted access granting ticket accompanied by an identifier of the data providing entity (IPE1), (iv) communicating from the data requesting entity (IRE) to the data providing entity (IPE1) a request comprising the encrypted access granting ticket, (v) decrypting the encrypted access granting ticket with a decryption key of the data providing entity (IPE1) corresponding to the encryption key, (vi) providing to the data requesting entity (IRE) access to data related to the principal identifier according to the access specification.
REFERENCES:
patent: 6023510 (2000-02-01), Epstein
patent: 2002/0049580 (2002-04-01), Kutaragi et al.
patent: WO 02 076078 (2002-09-01), None
Patel B et al: “Ticket Based Service Access for the Mobile User” Mobicom. Proceedings of the Annual International Conference on Mobile Computing and Networking, XX, XX 1997, pp. 423-433, XP000900778 p. 226, left-hand column, line 17—p. 228, left-hand column, line 10.
Busboom Axel
Holtmanns Silke
Quinet Raphael
Schuba Marko
Chai Longbit
Telefonaktiebolaget L M Ericsson (publ)
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