Title:
METHOD AND DEVICE FOR COMMUNICATION
Document Type and Number:
Japanese Patent JP2001177514
Kind Code:
A
Abstract:
To fast perform key exchange in the case of performing cipher communication using a key in a network in which secrecy is not guaranteed.
The processing quantity needed for key exchange processing is reduced by using a key exchanged by using a network in which secrecy where there is seldom a possibility of being intercepted by a third person is guaranteed as the key of the cipher communication so as to eliminate the used for performing intensive cipher processing to the key itself.
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Inventors:
SEKIGUCHI KATSUMI
TSURUMAKI KOJI
TAKESHITA ATSUSHI
TAKAHASHI TATSUO
TSURUMAKI KOJI
TAKESHITA ATSUSHI
TAKAHASHI TATSUO
Application Number:
JP35974799A
Publication Date:
June 29, 2001
Filing Date:
December 17, 1999
Export Citation:
Assignee:
NTT DOCOMO INC
International Classes:
G06F13/00; H04L9/08; H04W4/00; H04W12/04; H04W76/02; H04W84/00; (IPC1-7): H04L9/08; G06F13/00; H04Q7/38
Attorney, Agent or Firm:
River Saki Kenji (2 outside)