Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 9 - Arrangements for secret or secure communication
Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
10/2012
10/03/2012CN202475445U Multifunctional general chaotic circuit system
10/03/2012CN202475444U Chaotic circuit including sign function
10/03/2012CN202475443U Chaos circuit containing absolute value function
10/03/2012CN202475442U Circuit for realizing integral order and fractional order automatic switching chaotic system
10/03/2012CN202472646U 电子文件管理系统 Electronic Document Management System
10/03/2012CN202472630U USB (universal serial bus) memory disc based on mobile module
10/03/2012CN1902853B Method and apparatus for verifiable generation of public keys
10/03/2012CN1868162B Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system
10/03/2012CN102714782A Fine-grained location determination of networked computers
10/03/2012CN102714653A System and method for accessing private digital content
10/03/2012CN102714596A Electronic apparatus and introducing method thereby
10/03/2012CN102714595A Digital signature server and user termina
10/03/2012CN102714594A Content reception apparatus, content playback apparatus, content reception and playback apparatus, content reception method, and program
10/03/2012CN102714593A Methods for decrypting, transmitting and receiving control words, storage medium for executing said methods
10/03/2012CN102714592A Method and system for generating a visual key
10/03/2012CN102714591A Proximity based biometric identification systems and methods
10/03/2012CN102713994A Encryption device, encryption method, and program
10/03/2012CN102713923A Server device that sets security levels in accordance with distances between devices, client device, communication system, integrated circuit for server control, integrated circuit for client control, server program, client program, method for communication system connection method
10/03/2012CN102713879A Electronic book and system for download of electronic document
10/03/2012CN102710782A Data acquisition method for excavator and excavator using method
10/03/2012CN102710653A Security authentication method for identity of toll collector of power supply company
10/03/2012CN102710648A Identity authentication method, equipment and system
10/03/2012CN102710643A Portal server and user keeping alive method thereof
10/03/2012CN102710640A Authorization requesting method, device and system
10/03/2012CN102710611A Network security authentication method and system
10/03/2012CN102710605A Information security management and control method under cloud manufacturing environment
10/03/2012CN102710601A Method for security encryption and signing based on identity file
10/03/2012CN102710422A Node authentication method for avoiding authentication congestion
10/03/2012CN102710421A Matched communication method
10/03/2012CN102710420A Method, system and device for setting password
10/03/2012CN102710419A User authentication method and device
10/03/2012CN102710418A Method and system for encrypting and decrypting visible light signals
10/03/2012CN102710417A Fuzzy vault method based on fingerprint features and Internet key exchange protocol
10/03/2012CN102710416A Password encryption method for social website
10/03/2012CN102710415A Method and table look-up device for encrypting and decrypting data by using symmetric cryptographic algorithm
10/03/2012CN102710414A Randomized document block encryption method
10/03/2012CN102710413A System and method with function of DPA/SPA (Differential Power Analysis/Simple Power Analysis) attack prevention
10/03/2012CN102710412A Method and device for compatible management of encryption algorithm
10/03/2012CN102710411A Network system, program set distribution method, distribution server, distribution server and control method
10/03/2012CN102710364A Encryption and decryption method and system based on visible light communication
10/03/2012CN102710328A Method and system for modifying fingerprint information
10/03/2012CN102708618A Remote online safety non-contact IC (integrated circuit) card writing recharging system and recharging method
10/03/2012CN102708532A An automatic lottery drawing system and an automatic lottery drawing method
10/03/2012CN102708347A Bar-code reading method and equipment
10/03/2012CN102708314A Digital rights management provision apparatus, system, and method
10/03/2012CN102708069A Protection method for memory data in Android system
10/03/2012CN102707972A POS (Point Of Sale) terminal program updating method and system
10/03/2012CN102707901A Terminal data access method and device
10/03/2012CN102082666B Single login system and method and service management system as well as single login intermediate system
10/03/2012CN102014015B Self-checking method of intelligent secret key equipment
10/03/2012CN101944995B Communication method of power management system
10/03/2012CN101938357B Method based on off-line authorization of safety access module, card tool and authentication card
10/03/2012CN101790164B Authentication method, communication system and relevant equipment
10/03/2012CN101641904B Key providing system, terminal equipment, and information processing method
10/03/2012CN101605140B Network user identity verification and authentication system and verification and authentication method
10/03/2012CN101599188B IPA security certification-based access control system
10/03/2012CN101594354B Method and system for improving account transfer safety
10/03/2012CN101527708B Method and device for restoring connection
10/03/2012CN101521660B Session initiation protocol registry method, certification and authorization method, system and equipment
10/03/2012CN101512539B iSCSI and fibre channel authentication
10/03/2012CN101405989B Method and apparatus for limiting VPNv4 prefixes per VPN in an inter-autonomous system environment
10/03/2012CN101359350B Methods for secure transaction management and electronic rights protection
10/03/2012CN101304308B Relay server and relay communication system
10/03/2012CN101199157B Fine grain rights management of streaming content
10/03/2012CN101075873B Method and system for inputting content
10/02/2012US8281390 Remotely defining security data for authorization of local application activity
10/02/2012US8281379 Method and system for providing a federated authentication service with gradual expiration of credentials
10/02/2012US8281366 Systems and methods for using guardian proximity to control computing activities of children
10/02/2012US8281364 Method and system for performing secure logon input on network
10/02/2012US8281155 Content protection using block reordering
10/02/2012US8281149 Privacy-preserving flexible anonymous-pseudonymous access
10/02/2012US8281146 Messaging systems and methods
10/02/2012US8281145 Doing business without SSN, EIN, and charge card numbers
10/02/2012US8281144 Ownership sharing method and apparatus using secret key in home network remote controller
10/02/2012US8281143 Protecting against chosen plaintext attacks in untrusted storage environments that support data deduplication
10/02/2012US8281141 Method and apparatus for monitoring and analyzing degree of trust and information assurance attributes information in a data providence architecture workflow
10/02/2012US8281140 Optimization methods for the insertion, protection, and detection of digital watermarks in digital data
10/02/2012US8281139 System and method for monitoring unauthorized transport of digital content
10/02/2012US8281138 Steganalysis of suspect media
10/02/2012US8281137 Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal
10/02/2012US8281135 Enforcing use of chipset key management services for encrypted storage devices
10/02/2012US8281134 Methods and apparatus for layer 2 and layer 3 security between wireless termination points
10/02/2012US8281133 Predictive real-time pairwise master key identification (PMKID) generation
10/02/2012US8281132 Method and apparatus for security over multiple interfaces
10/02/2012US8281128 Method and apparatus for encrypting transport stream of multimedia content, and method and apparatus for decrypting transport stream of multimedia content
10/02/2012US8281127 Method for digital identity authentication
10/02/2012US8281126 Out of band encryption
10/02/2012US8281120 Sending signed e-mail messages from a device
10/02/2012US8281114 Security system with methodology for defending against security breaches of peripheral devices
10/02/2012US8280818 License source component, license destination component, and method thereof
10/02/2012US8280745 Systems and methods for applying secondary information to business addresses
10/02/2012US8280374 Policy management in a roaming or handover scenario in an IP network
10/02/2012US8280349 Communication system, storage medium having communication program stored thereon, and communication terminal
10/02/2012US8280103 System reactions to the detection of embedded watermarks in a digital host content
10/02/2012US8280098 Digital watermarking CMOS sensor
10/02/2012US8280059 Method, system and device for generating group key
10/02/2012US8280056 System and methods for encryption with authentication integrity
10/02/2012US8280055 Optical network system and method of changing encryption keys
10/02/2012US8280053 Authentication in a radiotelephony network
10/02/2012US8280051 Secure presentation of media streams in response to encrypted content
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