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Class Information
Number: 380/285
Name: Cryptography > Key management > Key distribution > User-to-user key distributed over data link (i.e., no center) > By public key method
Description: Subject matter wherein a distributed key is protected by a public key algorithm.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8693694 Information recording device Apr. 8, 2014
8693695 Systems and methods to securely generate shared keys Apr. 8, 2014
8694782 Wireless authentication using beacon messages Apr. 8, 2014
8688989 Receiver non-repudiation via a secure device Apr. 1, 2014
8683610 Method and apparatus for managing digital rights of secure removable media Mar. 25, 2014
8677140 Delivery point validation system Mar. 18, 2014
8670557 Cryptographic system with modular randomization of exponentiation Mar. 11, 2014
8656159 Versioning of modifiable encrypted documents Feb. 18, 2014
8656166 Storage and authentication of data transactions Feb. 18, 2014
8650589 System for provisioning media services Feb. 11, 2014
8638939 User authentication on an electronic device Jan. 28, 2014
8635449 Method of validation public key certificate and validation server Jan. 21, 2014
8634563 Attribute based encryption using lattices Jan. 21, 2014
8630416 Wireless device and method for rekeying with reduced packet loss for high-throughput wireless communications Jan. 14, 2014
8630422 Fully homomorphic encryption method based on a bootstrappable encryption scheme, computer program and apparatus Jan. 14, 2014
8625805 Digital security bubble Jan. 7, 2014
8626929 Scalable session management using an encrypted session key Jan. 7, 2014
8621213 Remote control of medical devices using instant messaging infrastructure Dec. 31, 2013
8607069 Data processing apparatus, data processing method, terminal unit, and transmission method of data processing apparatus Dec. 10, 2013
8600061 Generating secure device secret key Dec. 3, 2013
8594324 Key validation scheme Nov. 26, 2013
8582761 Cryptographic method with elliptical curves Nov. 12, 2013
8583925 Mix-net system Nov. 12, 2013
8572367 System and method for reducing computations in an implicit certificate scheme Oct. 29, 2013
8568226 Master control program for a gaming device Oct. 29, 2013
8553889 Mix-net system Oct. 8, 2013
8548171 Pair-wise keying for tunneled virtual private networks Oct. 1, 2013
8539606 Data protection method and data protection system Sep. 17, 2013
8532289 Fast computation of a single coefficient in an inverse polynomial Sep. 10, 2013
8522028 Method for secure data exchange between two devices Aug. 27, 2013
8522014 Method and system for storing a key in a remote security module Aug. 27, 2013
8520847 Split-key key-agreement protocol Aug. 27, 2013
8509449 Key protector for a storage volume using multiple keys Aug. 13, 2013
8499151 Secure platform voucher service for software components within an execution environment Jul. 30, 2013
8495375 Methods and systems for secure channel initialization Jul. 23, 2013
8458494 Systems and methods for secure third-party data storage Jun. 4, 2013
8452017 Methods and systems for secure channel initialization transaction security based on a low entropy shared secret May. 28, 2013
8442236 Method for communicating entitlement data from a server, related server, client systems and computer program product May. 14, 2013
8429400 VPN processing via service insertion architecture Apr. 23, 2013
8423762 Common access card heterogeneous (CACHET) system and method Apr. 16, 2013
8412927 Profile framework for token processing system Apr. 2, 2013
8402558 Securing digital content system and method Mar. 19, 2013
8397060 Requesting digital certificates Mar. 12, 2013
8397069 Methods and systems for protecting media content Mar. 12, 2013
8397083 System and method for efficiently deleting a file from secure storage served by a storage system Mar. 12, 2013
8392716 Communication apparatus, digital signature issuance method and apparatus, and digital signature transmission method Mar. 5, 2013
8369527 Access control over multicast Feb. 5, 2013
8347090 Encryption of identifiers in a communication system Jan. 1, 2013
8347082 Method of validation public key certificate and validation server Jan. 1, 2013
8347078 Device certificate individualization Jan. 1, 2013

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