| Patents for H04K 1 - Secret communication (16,771) | 
|---|
| 02/23/2012 | US20120045054 Method and apparatus for delivering watermarked digital media content to a user upon request | 
| 02/23/2012 | US20120045053 Random signal generator using quantum noise | 
| 02/23/2012 | US20120045004 Correlator and demodulation device including the correlator | 
| 02/22/2012 | EP1771791B1 System for distributing decoy content in a peer to peer network | 
| 02/22/2012 | CN1675881B 通过网络监控从内容供应商提供的数字内容的方法,系统及装置 Network monitoring method provided by the content provider of digital content, systems and devices | 
| 02/21/2012 | US8122257 Audio-based, location-related methods | 
| 02/21/2012 | US8121537 Apparatus and method for uplink channel sounding in a wireless communication system | 
| 02/21/2012 | US8121489 Optical transmitting and receiving system | 
| 02/21/2012 | US8121288 Encrypting and decrypting a data stream | 
| 02/21/2012 | US8121287 System, method, and service for performing unified broadcast encryption and traitor tracing for digital content | 
| 02/21/2012 | US8121286 Hash function with provable resistance to differential attacks | 
| 02/21/2012 | US8121285 Data processing for coding | 
| 02/21/2012 | US8121217 Method and apparatus for transmitting data in a time division duplexed (TDD) communication system | 
| 02/21/2012 | US8121205 Extended non-return-to-zero serial channel signaling | 
| 02/21/2012 | US8121203 Ranging code detection | 
| 02/16/2012 | US20120039472 Method and device for establishing a security mechanism for an air interface link | 
| 02/16/2012 | US20120039471 Efficient security-related processing | 
| 02/16/2012 | US20120039470 Method and Device for Establishing a Communication Session | 
| 02/16/2012 | US20120039469 System and method for variable length encryption | 
| 02/16/2012 | US20120039468 Wireless communication apparatus | 
| 02/15/2012 | EP2418795A1 System and method for disidentifying sensitive information and associated records | 
| 02/15/2012 | CN102355661A Non-regenerative-relay-mode-based relay forwarding control method and device | 
| 02/14/2012 | US8117461 Method of randomly and dynamically checking configuration integrity of a gaming system | 
| 02/14/2012 | US8117454 Fast update message authentication with key derivation in mobile IP systems | 
| 02/14/2012 | US8116516 Controlling use of audio or image content | 
| 02/14/2012 | US8116454 Method and apparatus for providing security in a radio frequency identification system | 
| 02/14/2012 | US8116453 Gaming console-specific user authentication | 
| 02/14/2012 | US8116397 System and method for symbol boundary detection in orthogonal frequency divison multiplexing based data communication | 
| 02/14/2012 | US8116396 Method for re-ordering multiple layers and detecting signal of which the layers have different modulation orders in multiple input multiple output antenna system and receiver using the same | 
| 02/14/2012 | US8116394 Long term evolution (LTE) radio link timing synchronization | 
| 02/14/2012 | US8116392 Method for transmitting/receiving signal having spread training symbol in mobile communication system | 
| 02/14/2012 | US8116391 Quantization of channel state information in multiple antenna systems | 
| 02/14/2012 | US8116389 Radio apparatus | 
| 02/14/2012 | US8116388 Time domain interference averaging with multiuser diversity in OFDMA systems | 
| 02/14/2012 | US8116352 Method for direct chaotic communications with predetermined spectral mask | 
| 02/09/2012 | US20120036582 System and method to force a mobile device into a secure state | 
| 02/09/2012 | US20120036562 Trusted License Removal in a Content Protection System or the Like | 
| 02/09/2012 | US20120033813 Method of Selective Protection of the Satellite Rebroadcasting of Data Broadcast Publicly and Collected by the Satellite | 
| 02/09/2012 | US20120033812 System and method for decompressing and making publically available received media content | 
| 02/08/2012 | CN1981262B 受信任许可证的移除 By removing the trust license | 
| 02/07/2012 | US8112782 Signal processing apparatus and methods | 
| 02/07/2012 | US8112118 System and method for using a temporary electronic serial number for over-the-air activation of a mobile device | 
| 02/07/2012 | US8111827 Cryptographic processing apparatus and cryptographic processing method | 
| 02/07/2012 | US8111766 Radio parameter group generating apparatus, transmitter and receiver | 
| 02/07/2012 | US8111762 Radio transmission apparatus, radio reception apparatus, radio transmission method, and radio reception method | 
| 02/02/2012 | US20120030771 Network security and fraud detection system and method | 
| 02/02/2012 | US20120027211 Security Key Management In IMS-Based Multimedia Broadcast And Multicast Services (MBMS) | 
| 02/02/2012 | US20120027209 Using a trusted-platform-based shared-secret derivation and wwan infrastructure-based enrollment to establish a secure local channel | 
| 02/02/2012 | US20120027186 Method and apparatus for the secure storage of audio signals | 
| 01/31/2012 | US8108678 Identity-based signcryption system | 
| 01/31/2012 | US8108675 External signature device for a PC with wireless communication capacity | 
| 01/31/2012 | US8108313 Rights expression profile system and method using templates | 
| 01/31/2012 | US8107674 Synchronizing rendering of multimedia content | 
| 01/31/2012 | US8107629 Method of providing security for relay station | 
| 01/31/2012 | US8107628 Data transmitting apparatus and data receiving apparatus | 
| 01/31/2012 | US8107625 IP phone intruder security monitoring system | 
| 01/31/2012 | US8107623 Method for verifying a first identity and a second identity of an entity | 
| 01/31/2012 | US8107555 Pre-emphasis automatic adjusting system, method of adjusting pre-emphasis and pre-emphasis setting signal generating circuit | 
| 01/31/2012 | US8107547 Receivers for embedded ACK/NAK in CQI reference signals in wireless networks | 
| 01/31/2012 | US8107546 Detection method of space domain maximum posteriori probability in a wireless communication system | 
| 01/31/2012 | US8107545 Method and system for phase tracking in wireless communication systems | 
| 01/31/2012 | US8107544 Method and apparatus for feedback in closed loop transmitting | 
| 01/26/2012 | WO2012009757A1 Method and apparatus for locating faults in communications networks | 
| 01/24/2012 | US8103883 Method and apparatus for enforcing use of danbury key management services for software applied full volume encryption | 
| 01/24/2012 | US8103053 Method and apparatus for associating identifiers with content | 
| 01/24/2012 | US8103003 Method for setting communication parameters and communication device | 
| 01/24/2012 | US8103000 Slice mask and moat pattern partial encryption | 
| 01/24/2012 | US8102999 Secure telemetric link | 
| 01/24/2012 | US8102998 Method for elliptic curve scalar multiplication using parameterized projective coordinates | 
| 01/24/2012 | US8102997 Processor for executing an AES-type algorithm | 
| 01/24/2012 | US8102941 Peak suppression control apparatus | 
| 01/24/2012 | US8102940 Receive frequency band interference protection system using predistortion linearization | 
| 01/24/2012 | US8102929 Low power ultra wideband transceiver | 
| 01/24/2012 | US8102927 Method and apparatus for generating and receiving OFDM symbol | 
| 01/24/2012 | US8102926 Method and apparatus for communication in a system employing differing transmission protocols | 
| 01/24/2012 | US8102924 Arrangements and methods for per tone equalization with reduced complexity | 
| 01/24/2012 | CA2371392C Method and apparatus for continuous cross-channel interleaving | 
| 01/19/2012 | WO2011002499A8 Dynamic pattern elimination based compression method for text-based signaling protocols | 
| 01/19/2012 | US20120015629 Securing a mobile computing device | 
| 01/18/2012 | EP2406906A1 System and method for payload encoding and decoding | 
| 01/17/2012 | US8099763 Apparatus and method for range-confined communications | 
| 01/17/2012 | US8098884 Verification system and method in a document processing environment | 
| 01/17/2012 | US8098828 Key distribution | 
| 01/17/2012 | US8098826 QKD system laser autocalibration based on bit-error rate | 
| 01/17/2012 | US8098817 Methods and apparatus for mixing encrypted data with unencrypted data | 
| 01/17/2012 | US8098761 Method and apparatus for optimizing transmitter power efficiency | 
| 01/17/2012 | US8098760 Method of generating reference signal in wireless communication system | 
| 01/17/2012 | US8098753 Infrared, touch screen, W-CDMA, GSM, GPS camera phone | 
| 01/17/2012 | US8098752 Apparatus and method for supporting a plurality of MIMO modes in a wireless communication system | 
| 01/17/2012 | US8098751 Software adaptable high performance multicarrier transmission protocol | 
| 01/17/2012 | US8098750 Method and device for transmitting a plurality of data symbols | 
| 01/17/2012 | US8098749 CFR estimation method for multi-band OFDM-based UWB systems | 
| 01/17/2012 | US8098748 Systems and methods of testing wireless networks | 
| 01/17/2012 | US8098747 OFDM system, symbol estimating apparatus and inter-carrier interference cancellation method for estimating symbol value using output of forward error correction decoder | 
| 01/17/2012 | US8098745 Random access structure for wireless networks | 
| 01/17/2012 | US8098744 Reducing a peak-to-average ratio of a signal using filtering | 
| 01/12/2012 | US20120009910 Apparatus and method for applying ciphering in a universal mobile telecommunications system | 
| 01/12/2012 | US20120008783 Secure configuration of a wireless sensor network | 
| 01/12/2012 | US20120008781 Method for access control to a scrambled content | 
| 01/12/2012 | US20120008780 Method for elliptic curve scalar multiplication |