Title:
SSL/TLS-CONFORMING SYSTEM HAVING IMMUNITY TO SERVICE INTERFERENCE ATTACK, METHOD, SERVER, PROGRAM THEREOF AND RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP2009206568
Kind Code:
A
Abstract:
To improve immunity to a service interference attack to an SSL/TLS protocol without causing any change in a client side when mutual authentication is executed in conformity with the SSL/TLS protocol.
In performing mutual authentication in conformity with the SSL/TLS protocol, a server executes key acquiring processing (RSA deciphering after receiving Client Key Exchange, DH discrete logarithm operation or the like) after successfully executing signature verification processing (Certificate Verify). Further, the sever may reuse the data acquired in initializing processing of server session before a certain session succeeds in signature verification.
Inventors:
UENO WAFU
KARASAWA KEI
KARASAWA KEI
Application Number:
JP2008044120A
Publication Date:
September 10, 2009
Filing Date:
February 26, 2008
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04K3/00
Domestic Patent References:
| JP2004357284A | 2004-12-16 |
Foreign References:
| US20060294366A1 | 2006-12-28 | |||
| US20080046727A1 | 2008-02-21 |
Attorney, Agent or Firm:
Naoki Nakao
Taku Kusano
Yukio Nakamura
Taku Kusano
Yukio Nakamura