Apparatus and method for performing different cryptographic algorithms in a communication system

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United States of America

PATENT NO 9367698
SERIAL NO

14015422

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Abstract

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A communication apparatus performs encryption on data transmitted from another communication apparatus by using first or second cryptographic algorithm, or performs decryption on the data that has been encrypted using the first or second cryptographic algorithm, by using one of the first and second cryptographic algorithms used for the encryption, where the second cryptographic algorithm provides a higher security level than the first cryptographic algorithm. The communication apparatus includes an encryption unit configured to perform, upon receiving the data including a cryptographic class identifying a parameter to be used for performing the encryption or the decryption, the encryption or the decryption by using one of the first and second cryptographic algorithms, based on the cryptographic class.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FUJITSU LIMITEDKAWASAKI18047

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuda, Isamu Yokohama, JP 14 133
Fukuda, Nobuyuki Yokohama, JP 8 13
Kameda, Akihiro Kawasaki, JP 3 6
Kawamata, Shigeaki Sagamihara, JP 6 21
Minohara, Kazuyuki Sagamihara, JP 5 53
Roppongi, Jun Yokohama, JP 1 0

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
* 2005/0169,253 WLAN communication service platform 24 2005
* 2010/0306,553 High-throughput cryptographic processing using parallel processing 4 2010
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
* 2005/0198,498 System and method for performing cryptographic operations on network data 12 2004
 
SHARP KABUSHIKI KAISHA (1)
* 2008/0133,953 SYSTEM DEVICE INCLUDING NIC AND POWER-SAVING CONTROLLING METHOD OF THE SAME 8 2007
 
PANASONIC CORPORATION (3)
* 2008/0170,686 CONFIDENTIAL INFORMATION PROCESSING APPARATUS, CONFIDENTIAL INFORMATION PROCESSING DEVICE, AND CONFIDENTIAL INFORMATION PROCESSING METHOD 15 2008
* 2010/0268,936 INFORMATION SECURITY DEVICE AND INFORMATION SECURITY SYSTEM 4 2008
* 2010/0332,820 INFORMATION SECURITY DEVICE AND INFORMATION SECURITY SYSTEM 22 2009
 
XEROX CORPORATION (1)
* 7421583 System, method and article of manufacture for determining a price of cryptograph IC services based on a computational burden thereof 7 2000
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (1)
* 2002/0056,044 Security system 75 2001
 
China Iwncomm Co., Ltd. (1)
* 2012/0219,149 ENCRYPTION AND DECRYPTION PROCESSING METHOD, SYSTEM AND COMPUTER-ACCESSIBLE MEDIUM FOR ACHIEVING SMS4 CRYPTOGRAPHIC PROCEDURE 2 2012
 
BLACKBERRY LIMITED (2)
* 8130957 System and method for securing data 2 2004
* 2005/0244,007 System and method for securing data 8 2004
 
INTEL CORPORATION (2)
* 2010/0199,085 DETERMINING COMPOSITION OF AN INITIALIZATION VECTOR FOR ENCAPSULATING SECURITY PAYLOAD PROCESSING 3 2006
* 2010/0161,959 METHOD AND APPARATUS FOR EXTENDING TRANSPORT LAYER SECURITY PROTOCOL FOR POWER-EFFICIENT WIRELESS SECURITY PROCESSING 3 2008
 
Avista Corporation (1)
* 2012/0200,423 Outage Prediction With Next Generation Smart Grid 12 2011
 
MARVELL INTERNATIONAL LTD. (1)
* 7826360 Adjusting transmission rates during packet expansion using in band signaling 7 2008
 
TEXAS INSTRUMENTS INCORPORATED (1)
* 2012/0011,351 Security Processing Engines, Circuits and Systems and Adaptive Processes and Other Processes 24 2011
 
HARRIS CORPORATION (1)
* 2005/0216,750 Modular cryptographic device providing status determining features and related methods 6 2004
 
CAVIUM, INC. (1)
* 2004/0202,319 Apparatus and method for allocating resources within a security processor 31 2003
 
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (1)
* 2011/0103,771 APPARATUS AND METHOD FOR RECORDING PARTIAL ENCRYPTION OF BROADCAST PROGRAM 3 2010
 
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. (1)
* 2003/0061,505 Systems and methods for implementing host-based security in a computer network 38 2002
 
NOKIA CORPORATION (1)
* 2004/0083,360 System and method for partially-encrypted data transmission and reception 9 2002
* Cited By Examiner

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