Apparatus and method for depositing encryption keys

Details Apparatus and method for depositing encryption keys Apparatus and method for depositing encryption keys

2005-01-18

2005-01-18

Caldwell, Andrew (Department: 2137)

Cryptography

Key management

Key escrow or recovery

C380S279000, C380S281000, C380S282000, C380S284000

Reexamination Certificate

active

06845160

ABSTRACT:
An encryption key depositing apparatus comprising a unit that generates an encryption key for a user; and a unit that starts a process in response to the generation of the encryption key, the process allowing a depositary deposited with the generated encryption key to store the key in question in a subsequently recoverable manner.

REFERENCES:
patent: 5436972 (1995-07-01), Fischer
patent: 5721777 (1998-02-01), Blaze
patent: 6282295 (2001-08-01), Young et al.
patent: 6549626 (2003-04-01), Al-Salqan
patent: A-11-15373 (1999-01-01), None
Denning, Dorothy: “Descriptions of Key Escrow Systems” Communications of the ACM, Feb. 26, 1997.*
Young, Adam, Yung, Moti: “Auto-Recoverable Auto-Certifiable Cryptosystems” Advances in Cryptography-Eurpcrypt '98, LNCS 1403, pp. 17-31, 1998.*
Fouque, Pierre-Alain, et al: “Recovering Keys in Open Networks” IEEE 1999.*
Al-Salqan, Yahya: “Cryptographic Key Recovery” IEEE 1997.

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