ClassID:

225070

H04L9/0875 - CPC Classification

Classification description:

arrangements for secret or secure communications Cryptographic mechanisms or cryptographic ; Network security protocols; Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords; Generation of secret information including derivation or calculation of cryptographic keys or passwords based on channel impulse response [CIR]

Recent Application in this class:
#1
20250016556
2025-01-09

SECRET KEY EXTRACTION FOR PHYSICAL LAYER PROTECTION IN A WIRELESS COMMUNICATIONS SYSTEM

#2
20240244426
2024-07-18

KEY ESTABLISHMENT USING WIRELESS CHANNEL INFORMATION

#3
20230143175
2023-05-11

Device specific multiparty computation

#4
20230118320
2023-04-20

METHODS FOR SECURE DATA STORAGE

#5
20220345306
2022-10-27

Symmetric Encryption Key Generation Using Wireless Physical Layer Information Without Sharing Any Information Pertinent To The Key

#6
20220338002
2022-10-20

Security key generation in wireless networks

#7
20220322101
2022-10-06

Sharing Resources Between Wireless Networks

#8
20220150063
2022-05-12

ENCRYPTION METHOD

#9
20220116212
2022-04-14

PROCESS FOR MONOVALENT ONE-TO-ONE EXTRACTION OF KEYS FROM THE PROPAGATION CHANNEL

#10
20220116210
2022-04-14

Methods for secure data storage

#11
20210377014
2021-12-02

Encryption method

#12
20210345102
2021-11-04

Physical layer key generation

#13
20210297396
2021-09-23

Sharing resources between wireless networks

#14
20210281404
2021-09-09

Communication latency based cryptographic negotiations

#15
20210226784
2021-07-22

Systems and methods for generating shared keys, identity authentication and data transmission based on simultaneous transmission on wireless multiple-access channels

#16
20210203433
2021-07-01

Automatic repeat-request system for providing absolute safety and authentication in wireless networks

#17
20210152533
2021-05-20

LPI/LPD communication systems

#18
20210091942
2021-03-25

Method of generating a secret key for data communication and key generator thereof

#19
20200322797
2020-10-08

Belief propagation-based physical layer blind authentication method and system for time-varying fading channels

#20
20200322796
2020-10-08

Smoothing technology-based blind authentication method and system for frequency selective fading channel

#21
20200244453
2020-07-30

Symmetric Encryption Key Generation Using Wireless Physical Layer Information Without Sharing Any Information Pertinent To The Key

#22
20200244452
2020-07-30

Transmitting authentication data over an audio channel

#23
20200220722
2020-07-09

Frequency encryption for communication signals

#24
20200204368
2020-06-25

Secure data channel in a networked gaming system

#25
20200178067
2020-06-04

Electronic device and control method thereof

#26
20200044840
2020-02-06

Apparatus and method for generating security key in wireless communication system

#27
20190379535
2019-12-12

Method and device for securely operating a field device

#28
20190174311
2019-06-06

Security key generation for communications between base station and terminal based on beam selection

#29
20190109832
2019-04-11

Sharing resources between wireless networks

#30
20190104121
2019-04-04

Methods for secure authentication

#31
20190103964
2019-04-04

Methods for encrypted data communications

#32
20190102569
2019-04-04

Methods for secure data storage

#33
20190098497
2019-03-28

Establishing secured communication over a wireless channel

#34
20190075091
2019-03-07

LPI/LPD communication systems

#35
20190044712
2019-02-07

Cryptographic key creation using optical parameters

#36
20190020473
2019-01-17

PROCESS FOR MONOVALENT ONE-TO-ONE EXTRACTION OF KEYS FROM THE PROPAGATION CHANNEL

#37
20180310319
2018-10-25

Sharing resources between wireless networks

#38
20180287781
2018-10-04

Method for cryptographic communication based on pure chance

#39
20180254899
2018-09-06

METHOD AND SYSTEM FOR SECURE OPTICAL DATA TRANSMISSION

#40
20180234986
2018-08-16

LPI/LPD communication systems

#41
20180115420
2018-04-26

Method and device for generating a cryptographic key

#42
20180103481
2018-04-12

LPI/LPD communication systems

#43
20180062841
2018-03-01

SYMMETRIC ENCRYPTION KEY GENERATION USING WIRELESS PHYSICAL LAYER INFORMATION WITHOUT SHARING ANY INFORMATION PERTINENT TO THE KEY

#44
20180013559
2018-01-11

Multiple cryptographic key generation for two-way communication

#45
20180013558
2018-01-11

Cryptography method

#46
20180013553
2018-01-11

Cryptography using RF power measurement

#47
20170170959
2017-06-15

Method for generating a secret sequence of values in a device as a function of measured physical properties of a transmission channel

#48
20170064547
2017-03-02

Method for generating a digital key for secure wireless communication

#49
20170048065
2017-02-16

Method for generating a group secret key based on the radio physical layer and wireless terminal associated therewith

#50
20170048064
2017-02-16

Method for generating a secret between users of a network, and users of the network which are configured for this purpose

#51
20170034835
2017-02-02

Sharing resources between wireless networks

#52
20170012772
2017-01-12

Method and device for generating a secret key

#53
20170012771
2017-01-12

Method and device for generating a secret key

#54
20160380763
2016-12-29

Security communication using polar code scheme

#55
20160337122
2016-11-17

Method and apparatus for generating secret key in wireless communication network

#56
20160323101
2016-11-03

Method and device for generating a secret cryptographic key, which is common to a first node and a second node, with the aid of at least one helper node

#57
20160255499
2016-09-01

Highly-secure wireless communication system

#58
20160127357
2016-05-05

Method for safeguarding a network

#59
20160119044
2016-04-28

LPI/LPD communication systems

#60
20160094989
2016-03-31

LPI/LPD communication systems

#61
20150381357
2015-12-31

Comparing generated keys using non-secure channels

#62
20150334093
2015-11-19

Method for generating a key in a network and user on a network and network

#63
20150171994
2015-06-18

Data security method used in a wireless communication system

#64
20150156179
2015-06-04

Security key generator

#65
20150049713
2015-02-19

Precoding-codebook-based secure uplink in LTE

#66
20150003612
2015-01-01

Information-theoretically secure secrecy generation

#67
20140140510
2014-05-22

Method for generating consistent cryptographic key based on wireless channel features

#68
20140133654
2014-05-15

Method and system for enhancing cryptographic capabilities of a wireless device using broadcasted random noise

#69
20130343541
2013-12-26

Method and apparatus for secure communication and determining secret information

#70
20130159698
2013-06-20

Chaotic cryptography for OFDM based communications systems

#71
20130156193
2013-06-20

Method and apparatus for determining joint randomness

#72
20130156181
2013-06-20

Apparatus and method for generating secret key using change in wireless channel on wireless communication network

#73
20130142218
2013-06-06

Methods and apparatuses using filter banks for multi-carrier spread-spectrum signals

#74
20120317417
2012-12-13

Method of generation of a secret key for a wireless communication system

#75
20120294443
2012-11-22

Establishing secure links between wireless devices in proximity using ambient wireless signals

#76
20120284520
2012-11-08

Establishing shared information in a network

#77
20120281834
2012-11-08

Generation of perfectly secret keys in wireless communication networks

#78
20120281831
2012-11-08

Method and system for enhancing crytographic capabilities of a wireless device using broadcasted random noise

#79
20120237031
2012-09-20

Generating identical numerical sequences utilizing a physical property and secure communication using such sequences

#80
20120159147
2012-06-21

Secret key generation

#81
20120148046
2012-06-14

Secure wireless communication using rate-adaptive codes

#82
20120140922
2012-06-07

Method for generating private keys in wireless networks

#83
20120106739
2012-05-03

System and method for securing wireless communications

#84
20120106737
2012-05-03

System and method for securing wireless communications

#85
20110280397
2011-11-17

Method and system for secret key exchange using wireless link characteristics and random device movement

#86
20110142236
2011-06-16

Security key generator

#87
20100146289
2010-06-10

RADIO SCENE ENCRYPTION AND AUTHENTICATION PROCESS

#88
20100100741
2010-04-22

Establishing shared information in a network

#89
20100080386
2010-04-01

Generating identical numerical sequences utilizing a physical property and secure communication using such sequences

#90
20100067701
2010-03-18

Method and system for high rate uncorrelated shared secret bit extraction from wireless link characteristics

#91
20090279700
2009-11-12

Information-theoretically secure secrecy generation

#92
20090141900
2009-06-04

Method and apparatus for enabling physical layer secret key generation

#93
20090028262
2009-01-29

RADIO COMMUNICATION METHOD, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION DEVICE

#94
20080304658
2008-12-11

Wireless Communication Apparatus and Wireless Communication Method

#95
20080259825
2008-10-23

Method and apparatus for performing JRNSO in FDD, TDD and MIMO communications

#96
20080123851
2008-05-29

Method and system for securing wireless communications

#97
20080090572
2008-04-17

INCREASING A SECRET BIT GENERATION RATE IN WIRELESS COMMUNICATION

#98
20080089518
2008-04-17

Method and system for enhancing cryptographic capabilities of a wireless device using broadcasted random noise

#99
20080069251
2008-03-20

Radio Communication Device, Radio Communication System, and Radio Communication Method

#100
20070211902
2007-09-13

Establishing shared information in a network

#101
20070177729
2007-08-02

Generation of perfectly secret keys in wireless communication networks

#102
20070165845
2007-07-19

Method and system for generating a secret key from joint randomness

#103
20070058808
2007-03-15

Method and system for deriving an encryption key using joint randomness not shared by others

#104
20070036353
2007-02-15

Authentication and encryption methods using shared secret randomness in a joint channel

#105
20060252381
2006-11-09

Radio communications system

#106
20050008157
2005-01-13

Method and system for transmitting secret data in a communication network