Auditing secret key cryptographic operations

Details Auditing secret key cryptographic operations Auditing secret key cryptographic operations

2004-03-17

2008-08-26

Zand, Kambiz (Department: 2134)

Information security

Access control or authentication

Network

C713S168000, C713S171000

Reexamination Certificate

active

07418728

ABSTRACT:
In a cryptographic system, the unlocking of secret keys on a user system is audited and correlated with other events that typically occur after the secret key is used to perform a cryptographic operation. Audit evidence of secret key cryptographic operations is recorded for later review and/or analysis, for use as stored evidence of unauthorized activity and/or for use in refuting false claims of repudiation of authorized activity. Some systems might also provide users with user activity reports that can alert a user to suspicious or unauthorized activity using that user's access.

REFERENCES:
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Sarbari Gupta, “Security Characteristics of Cryptographic Mobility Solutions”, 1st Annual PKI Research Workshop—Proceedings, Jul. 2.
Sampo Sovio, N. Asokan, Kaisa Nyberg, “Defining Authorization Domains Using Virtual Devices”, Nokia Research Center, Helsinki Finland, Jan. 2003.
Smith (Randy Franklin Smith, “Tracking Logon and Logoff Activity in windows 2000”, Feb. 2001).
Gupta, Sarbari, “Security Characteristics of Cryptographic Mobility Solutions,” 1st Annual PKI Research Workshop—Proceedings, http://www.google.com/search?hl=&cat=&meta=&q=pki+arcot+Dartmouth, Dec. 3, 2002, 11 pages.
Menezes, Alfred J. et al; “Handbook of Applied Cryptography”; 2001, Chapter 13, pp. 549-590.
SSi Service Strategies; “SSi Audit Central Features: Consolidate System Audit Data from a Variety of Source”; http://www.ssimail.com/Audit—central—features.htm; 12 pages.

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