Device for authenticating user's access rights to resources and

Details Device for authenticating user's access rights to resources and Device for authenticating user's access rights to resources and

1998-04-27

2000-06-06

Hayes, Gail O.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Packet header designating cryptographically protected data

713168, 380 30, H04L 900

Patent

active

060732342

ABSTRACT:
Both of a user side and a protect side such as a programmer of an application programmer need not handle a large number of inherent information such as authentication keys. An access ticket generation device generates an access ticket from user unique identifying information and access rights authentication feature information. As unique security characteristic information, there is used a secret key of an elliptic curve encryption or an ElGamal encryption. A proof data generation device receives the access ticket, converts authentication data received from a proof data verification device into proof data by use of the access ticket and the user unique identifying information, and returns the resultant proof data to the proof data verification device. The proof data generation device or the proof data verification device decrypts the above-mentioned encryption. The proof data verification device verifies the access rights as correct access only when a combination of an access ticket and user unique identifying information used in the proof data generation device is correct.

REFERENCES:
patent: 5442706 (1995-08-01), Kung
patent: 5875248 (1999-02-01), Lewis
patent: 5963649 (1999-10-01), Sako

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