ClassID:

225080

H04L9/12 - page 3 - CPC Classification

Classification description:

arrangements for secret or secure communications Cryptographic mechanisms or cryptographic ; Network security protocols Transmitting and receiving encryption devices synchronised or initially set up in a particular manner

Recent Application in this class:
#601
20080205634
2008-08-28

Method, module and system for providing cipher data

#602
20080189770
2008-08-07

Authenticating and confidence marking e-mail messages

#603
20080187134
2008-08-07

Method and device for the encryption and decryption of data

#604
20080177668
2008-07-24

Computerized person-to-person payment system and method without use of currency

#605
20080175378
2008-07-24

Parallel encryptor and decryptor

#606
20080170691
2008-07-17

Encryption And Decryption Device In Wireless Portable Internet System,And Method Thereof

#607
20080168543
2008-07-10

One time password authentication of websites

#608
20080152346
2008-06-26

Method and system for a secure bi-directional line switched ring

#609
20080137852
2008-06-12

Method and system for a transport single key change point for all package identifier channels

#610
20080127279
2008-05-29

Time authentication device, time authentication method, computer program, recording medium, integrated circuit, and time authentication system

#611
20080104390
2008-05-01

Providing secure connections for data transmission

#612
20080101607
2008-05-01

Streaming implementation of AlphaEta physical layer encryption

#613
20080075277
2008-03-27

Steganographic method and device

#614
20080049938
2008-02-28

Random wave envelope derived random numbers and their use in generating transient keys in communication security application part I

#615
20080046728
2008-02-21

Method and apparatus for encrypting data transmitted over a serial link

#616
20080044011
2008-02-21

Encryption method, cryptogram decoding method, encryptor, cryptogram decoder, transmission/reception system, and communication system

#617
20080037790
2008-02-14

Frame synchronization method for QKD systems

#618
20080034206
2008-02-07

Encryption Method

#619
20080031453
2008-02-07

Method and apparatus for decrypting a communication

#620
20080025505
2008-01-31

Encryption method using synchronized continuously calculated pseudo-random key

#621
20080019523
2008-01-24

Data communication apparatus

#622
20080016338
2008-01-17

System and method for secure wireless multi-hop network formation

#623
20080013730
2008-01-17

Method and apparatus for initializing a new stream cipher during handoff

#624
20080008317
2008-01-10

Method and apparatus for detection of loss of cipher synchronization

#625
20080005564
2008-01-03

Method and apparatus for secure communications

#626
20080002594
2008-01-03

Sequence number synchronization for ciphering

#627
20070294536
2007-12-20

Steganographic method and device

#628
20070282398
2007-12-06

Cryptographic authentication for telemetry with an implantable medical device

#629
20070255679
2007-11-01

Method and system for encrypted communications using multi-valued modulation

#630
20070250923
2007-10-25

Time and event based one time password

#631
20070244951
2007-10-18

Accelerated throughput synchronized word stream cipher, message authenticator and zero-knowledge output random number generator

#632
20070237332
2007-10-11

Method and system for encrypting and decrypting data using an external agent

#633
20070237145
2007-10-11

Comparison based authentication in RTP

#634
20070237144
2007-10-11

Transporting authentication information in RTP

#635
20070234051
2007-10-04

Method for synchronization in encrypted communications using shared key

#636
20070234033
2007-10-04

Method for establishing secure distributed cryptographic objects

#637
20070203843
2007-08-30

SYSTEM AND METHOD FOR EFFICIENT ENCRYPTION AND DECRYPTION OF DRM RIGHTS OBJECTS

#638
20070198429
2007-08-23

Method for synchronous encryption between a client and a licensing agent

#639
20070195959
2007-08-23

Synchronizing encrypted data without content decryption

#640
20070192874
2007-08-16

Advanced encryption standard to provide hardware key interface

#641
20070192605
2007-08-16

Method of cryptographic synchronization

#642
20070192594
2007-08-16

Apparatus and method for ciphering/deciphering a signal in a communication system

#643
20070189543
2007-08-16

Data-processing apparatus and method for processing data

#644
20070189538
2007-08-16

Rapid acquisition of state vectors in an encrypted data communication system

#645
20070180125
2007-08-02

Secure method of synchronizing cache contents of a mobile browser with a server

#646
20070177730
2007-08-02

Method and apparatus for remote digital key generation

#647
20070177729
2007-08-02

Generation of perfectly secret keys in wireless communication networks

#648
20070172066
2007-07-26

Message security

#649
20070162518
2007-07-12

Method for transmitting syncML synchronization data

#650
20070156585
2007-07-05

System and method for processing feedback entries received from software

#651
20070143593
2007-06-21

ENCRYPTED KEYBOARD

#652
20070143592
2007-06-21

Information processing apparatus

#653
20070133791
2007-06-14

Method for controlling security channel in MAC security network and terminal using the same

#654
20070130474
2007-06-07

Creating multiple one-time passcodes

#655
20070130469
2007-06-07

Use of global clock to secure and synchronize messages in XM and SMS messages to a vehicle

#656
20070130082
2007-06-07

LICENSING SYSTEM USING A FIREWALL GATEWAY FOR PROTECTING AND LICENSING COMPUTERS

#657
20070130081
2007-06-07

DOWNLOADABLE SOFTWARE PACKAGE INCORPORATING LICENSE MANAGEMENT SOFTWARE

#658
20070118733
2007-05-24

Secure synchronization and sharing of secrets

#659
20070113085
2007-05-17

Methods for secure and bandwidth efficient cryptographic synchronization

#660
20070112684
2007-05-17

METHOD FOR DETERMINING BY A LICENSE SERVER WHETHER A CLIENT SOFTWARE APPLICATION IS LICENSED

#661
20070101120
2007-05-03

Air-interface application layer security for wireless networks

#662
20070092083
2007-04-26

QKD system with synchronization channel verification

#663
20070074047
2007-03-29

Key rotation

#664
20070058811
2007-03-15

Method and apparatus to facilitate transmission of an encrypted rolling code

#665
20070058808
2007-03-15

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

#666
20070055861
2007-03-08

System and method for hyper-chaos secure communication

#667
20070050614
2007-03-01

Robust hyper-chaotic encryption-decryption system and method for digital secure-communication

#668
20070041382
2007-02-22

Method and apparatus for ciphering and re-ordering packets in a wireless communication system

#669
20070033141
2007-02-08

Information transmission system, and information sending apparatus and information receiving apparatus used therein

#670
20070016779
2007-01-18

Method and apparatus for encrypting data transmitted over a serial link

#671
20070016778
2007-01-18

Method and apparatus for encrypting data transmitted over a serial link

#672
20060288211
2006-12-21

Dynamically resolving recipients to retrieve public keys during send/receive

#673
20060282675
2006-12-14

Message authentication system, message transmission apparatus and message reception apparatus

#674
20060282668
2006-12-14

Data encryption method and apparatus

#675
20060280182
2006-12-14

Method for transporting digital media

#676
20060277410
2006-12-07

Method and apparatus for watermarking stream data

#677
20060265595
2006-11-23

Cascading key encryption

#678
20060253707
2006-11-09

Method of authenticating a print medium offline

#679
20060242685
2006-10-26

System and method for distribution of security policies for mobile devices

#680
20060242404
2006-10-26

Authentication-authorization system for mobile communication terminal and method therefor

#681
20060239458
2006-10-26

Communications system with minimum error cryptographic resynchronization

#682
20060233361
2006-10-19

Device, method, and program for encrypton and decryption and recording medium

#683
20060230277
2006-10-12

Telecommunication-assisted time stamp

#684
20060227967
2006-10-12

Data processing system and method

#685
20060222178
2006-10-05

System and method for communicating encrypted data

#686
20060221833
2006-10-05

Method and related apparatus for reconfiguring size of a receiving window in a communications system

#687
20060217063
2006-09-28

System for secure communications

#688
20060210080
2006-09-21

Key synchronization in a visual cryptographic system

#689
20060210065
2006-09-21

Encryption/decryption device and method

#690
20060205386
2006-09-14

Method and apparatus for providing encryption and integrity key set-up

#691
20060204010
2006-09-14

Sentinel synchronization method for enhancing QKD security

#692
20060204007
2006-09-14

System and method for detecting AES random number generator synchronization errors

#693
20060198523
2006-09-07

System and method of training in a transmit/receive system

#694
20060198521
2006-09-07

One-way synchronization of a two-way QKD system

#695
20060195695
2006-08-31

Techniques for verification of electronic device pairing

#696
20060193472
2006-08-31

Secure encryption system, device and method

#697
20060184797
2006-08-17

Method for self-synchronizing time between communicating networked systems using timestamps

#698
20060170574
2006-08-03

Method and apparatus for compressing and decompressing data, and computer product

#699
20060156011
2006-07-13

Network device having time correction function

#700
20060147043
2006-07-06

Server, computer memory, and method to support security policy maintenance and distribution

#701
20060136739
2006-06-22

Method and apparatus for generating one-time password on hand-held mobile device

#702
20060136725
2006-06-22

Use of variant and base keys with two entities

#703
20060136343
2006-06-22

Commercial network licensing system

#704
20060133614
2006-06-22

Key synchronization mechanism for wireless LAN (WLAN)

#705
20060129815
2006-06-15

Generation of identities and authentication thereof

#706
20060126844
2006-06-15

Method and apparatus for achieving crypto-syncronization in a packet data communication system

#707
20060122941
2006-06-08

Licensing system using a firewall gateway for protecting and licensing computers

#708
20060122940
2006-06-08

Regional network licensing system

#709
20060120521
2006-06-08

System and method for optimizing error detection to detect unauthorized modification of transmitted data

#710
20060115088
2006-06-01

Method and apparatus for end-to-end clear transport protocol

#711
20060106733
2006-05-18

Computer for operating distributed software

#712
20060106732
2006-05-18

Network licensing system for portable computers

#713
20060106731
2006-05-18

Regional network licensing system

#714
20060106730
2006-05-18

Retro-fitted network licensing system

#715
20060085356
2006-04-20

Method for purchasing a software license over a public network

#716
20060085355
2006-04-20

Downloadable software package incorporating license management software

#717
20060080536
2006-04-13

System and method for distributing trusted time

#718
20060078124
2006-04-13

System and method for providing WLAN security through synchronized update and rotation of WEP keys

#719
20060075135
2006-04-06

Effective protection of computer data traffic in constrained resource scenarios

#720
20060067533
2006-03-30

Secure communication system and method using shared random source for key changing

#721
20060062319
2006-03-23

Method and apparatus for encryption of over-the-air communications in a wireless communication system

#722
20060059093
2006-03-16

Data processing apparatus, data processing method, and computer program

#723
20060056637
2006-03-16

Method and apparatus for encrypting transmissions in a communication system

#724
20060050679
2006-03-09

Method for On-Line Recovery of Parameter Synchronization for Ciphering Applications

#725
20060046692
2006-03-02

Techniques for establishing secure electronic communication between parties using wireless mobile devices

#726
20060045273
2006-03-02

Method and system for transmitting signaling information over a data transport network

#727
20060045136
2006-03-02

Crypto-synchronization for secure communication

#728
20060036865
2006-02-16

Server verification of secure electronic messages

#729
20060026428
2006-02-02

Key synchronization in an image cryptographic systems

#730
20060018481
2006-01-26

Computer-readable recording medium recording a wireless communication authentication program

#731
20050289074
2005-12-29

System for updating a licensing cache memory

#732
20050282521
2005-12-22

Wireless network with a cipher key change procedure

#733
20050273437
2005-12-08

Method for synchronous encryption between a client and a licensing agent

#734
20050273436
2005-12-08

Method for determining by a license server whether a client software application is licensed

#735
20050273435
2005-12-08

Firewall for licensing protected software on a computer

#736
20050271209
2005-12-08

AKA sequence number for replay protection in EAP-AKA authentication

#737
20050251490
2005-11-10

Method for determining whether a client software application is licensed

#738
20050251489
2005-11-10

Method for evaluating software freely distributed over the internet

#739
20050245231
2005-11-03

Wireless communication device with securely added randomness and related method

#740
20050232424
2005-10-20

Method and system for encryption of streamed data

#741
20050232422
2005-10-20

GSM (Global System for Mobile communication) handset with carrier independent personal encryption

#742
20050210306
2005-09-22

Method and apparatus for time synchronization in a network data processing system

#743
20050210242
2005-09-22

Packet-based and pseudo-packet based cryptographic communications systems and methods

#744
20050210153
2005-09-22

Method and apparatus for time synchronization in a network data processing system

#745
20050203582
2005-09-15

Cryptographic authentication for telemetry with an implantable medical device

#746
20050201554
2005-09-15

Method for data encryption in an ethernet passive optical network

#747
20050195979
2005-09-08

System and method for limiting access to data

#748
20050193197
2005-09-01

Method of generating a cryptosync

#749
20050190920
2005-09-01

System in a digital wireless data communication network for arranging end-to-end encryption and corresponding terminal equipment

#750
20050190915
2005-09-01

System and method for using a streaming protocol

#751
20050190911
2005-09-01

System and method for using a streaming protocol

#752
20050182932
2005-08-18

Cheap signatures for synchronous broadcast communication

#753
20050182929
2005-08-18

Efficient hash table protection for data transport protocols

#754
20050180575
2005-08-18

Communication system and synchronization method thereof

#755
20050177727
2005-08-11

Steganographic method and device

#756
20050175180
2005-08-11

Efficient code constructions via cryptographic assumptions

#757
20050169470
2005-08-04

Encryption device and decryption device

#758
20050169466
2005-08-04

Method and apparatus for detection of loss of cipher synchronization

#759
20050160272
2005-07-21

System and method for providing trusted time in content of digital data files

#760
20050154896
2005-07-14

Data communication security arrangement and method

#761
20050152553
2005-07-14

Method of synchronizing dynamic decryption keys and matching content protected data in a real time environment

#762
20050135620
2005-06-23

Secure quantum key distribution using entangled photons

#763
20050114664
2005-05-26

Message security

#764
20050111658
2005-05-26

Communication device and communication control method

#765
20050105720
2005-05-19

Code generator and device for the synchronous or asynchronous and permanent identification or encoding and decoding of data of any particular length

#766
20050078827
2005-04-14

Quantum cryptography key distributing system and synchronizing method used in the same

#767
20050074118
2005-04-07

Secure communication

#768
20050063538
2005-03-24

Methods and apparatus for implementing a cryptography engine

#769
20050058293
2005-03-17

Information transmission system

#770
20050058289
2005-03-17

Encryption system and method for encrypting/decrypting sensitive data

#771
20050050326
2005-03-03

Authentication of a remote user to a host in a data communication

#772
20050047590
2005-03-03

System and method of applying parity bits to protect transmitting and receiving data

#773
20050015597
2005-01-20

Information transmission system, and information sending apparatus and information receiving apparatus used therein

#774
20050015589
2005-01-20

Method for providing point-to-point encryption in a communication system

#775
20050013277
2005-01-20

Method for transmitting encrypted data, associated decrypting method, device for carrying out said methods and a mobile terminal for the incorporation thereof

#776
20050005140
2005-01-06

Data processing device

#777
17326197
2023-04-04

Methods and apparatus for presence monitoring

#778
17120459
2023-10-10

Device, system, and method to facilitate secure data transmission, storage and key management

#779
16855517
2020-09-29

SpaceFlip: unbound geometry security

#780
16838595
2022-10-04

Obfuscation for high-performance computing systems

#781
16209547
2019-06-18

Centrally managing data for orchestrating and managing user accounts and access control and security policies remotely across multiple devices

#782
16052804
2020-12-29

Device, system, and method to facilitate secure data transmission, storage and key management

#783
16033450
2020-02-18

Polymorphic one time pad matrix

#784
15844674
2019-02-05

Scalable crash fault-tolerance consensus protocol with efficient message aggregation

#785
15614345
2020-06-23

Output switching for encoded content streams

#786
15601169
2020-04-14

Obfuscation for high-performance computing systems

#787
15379405
2019-04-16

Synchronizable hardware security module

#788
15379402
2019-06-04

Synchronizable hardware security module

#789
15379396
2019-09-24

Synchronizable hardware security module

#790
15265380
2018-09-04

Polymorphic one time pad matrix

#791
15249849
2019-06-04

System and method for online deep learning in an ultra-low power consumption state

#792
15230703
2017-07-18

HDMI extender with bidirectional power over twisted pair

#793
15211731
2017-04-25

Method and apparatus for causing a delay in processing requests for internet resources received from client devices

#794
14569612
2018-04-03

Resource-based cipher suite selection

#795
14339541
2017-09-05

Multi-path routing control for an encrypted tunnel

#796
14037637
2016-07-12

Secured application communications

#797
13790520
2016-08-30

Techniques for handshake-free encrypted communication using symmetric key caching during request-and-response

#798
10291192
2017-10-17

Method, device and system for synchronizing of data providing for the handling of an interrupted synchronization process