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Class Information
Number: 380/277
Name: Cryptography > Key management
Description: Subject matter providing supervision or control of a signal necessary for encryption or decryption.










Sub-classes under this class:

Class Number Class Name Patents
380/44 Having particular key generator 1,724
380/278 Key distribution 1,332
380/286 Key escrow or recovery 461


Patents under this class:
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Patent Number Title Of Patent Date Issued
8275131 Image forming apparatus and security setting method thereof Sep. 25, 2012
8272040 Preventing inadvertent lock-out during password entry dialog Sep. 18, 2012
8271804 Information processing device, log management apparatus, and log management program product Sep. 18, 2012
8271784 Communication between key manager and storage subsystem kernel via management console Sep. 18, 2012
8271776 Mobile printing Sep. 18, 2012
8270615 Key-updating method, encryption processing method, key-insulated cryptosystem and terminal device Sep. 18, 2012
8270613 System for disabling unauthorized person, encryption device, encryption method, and program Sep. 18, 2012
8270612 Mapping compound keys Sep. 18, 2012
8270611 System and method for communicating with a key variable loader (KVL) using a standard universal asynchronous receiver transmitter (UART) peripheral Sep. 18, 2012
8266707 Tamper resistant method, apparatus and system for secure portability of digital rights management-protected content Sep. 11, 2012
8266450 Information processing device, encryption method of instruction code, and decryption method of encrypted instruction code Sep. 11, 2012
8266436 Service providing system, service providing server and information terminal device Sep. 11, 2012
8266435 Method for generating an asymmetric cryptographic key pair and its application Sep. 11, 2012
8266421 Private electronic information exchange Sep. 11, 2012
8266286 Dynamic key management server discovery Sep. 11, 2012
8265271 Method and device for managing a transmission of keys Sep. 11, 2012
8265269 Receiving apparatus and method for controlling the same Sep. 11, 2012
8261341 UPnP VPN gateway configuration service Sep. 4, 2012
8261097 Data recorder having data encryption function and data reproducing device Sep. 4, 2012
8261096 Information processing apparatus, information recording medium, information processing method, and computer program Sep. 4, 2012
8261083 Navigation apparatus and information distribution system Sep. 4, 2012
8261078 Access to services in a telecommunications network Sep. 4, 2012
8261061 Methods and systems for encouraging secure communications Sep. 4, 2012
8261059 Secure file transfer and secure file transfer protocol Sep. 4, 2012
8261056 Digital data recording apparatus, digital data recording method, and computer-readable recording medium Sep. 4, 2012
8259948 Virtual TPM key migration using hardware keys Sep. 4, 2012
8259947 Recreating a cryptographic key in a replacement device Sep. 4, 2012
8259936 Generating a traffic encryption key Sep. 4, 2012
8258809 Security circuit having an electrical fuse ROM Sep. 4, 2012
8255705 Encryption moniker in medium auxiliary memory Aug. 28, 2012
8254579 Cryptographic key distribution using a trusted computing platform Aug. 28, 2012
8254578 Process of manufacturing a handheld device, involving keys Aug. 28, 2012
8254577 Validation of encryption key Aug. 28, 2012
8254573 System and method for ciphering key forwarding and RRC packet deciphering in a UMTS monitoring system Aug. 28, 2012
8254571 Cryptographic system with halting key derivation function capabilities Aug. 28, 2012
8254568 Secure booting a computing device Aug. 28, 2012
8250630 Detecting unauthorized computer access Aug. 21, 2012
8250380 Implementing secure erase for solid state drives Aug. 21, 2012
8250378 System and method for enabling encryption Aug. 21, 2012
8250363 Method of provisioning devices with one-time pad data, device for use in such method, and service usage tracking based on one-time pad data Aug. 21, 2012
8249991 Contents reproduction expiration management system, contents reproduction expiration managing method, terminal apparatus, server apparatus, program, and recording medium for managing permissio Aug. 21, 2012
8249238 Dynamic key exchange for call forking scenarios Aug. 21, 2012
8245050 System and method for initial key establishment using a split knowledge protocol Aug. 14, 2012
8243934 Electronic device and encryption method thereof Aug. 14, 2012
8243933 Method for sharing secret information among cooperating parties Aug. 14, 2012
8243925 Method and apparatus for supporting multiple broadcasters independently using a single conditional access system Aug. 14, 2012
8239670 Multi-aspect identifier in network protocol handshake Aug. 7, 2012
8238558 Key agreement and re-keying over a bidirectional communication path Aug. 7, 2012
8238557 Method and apparatus for key expansion to encode data Aug. 7, 2012
8238204 Apparatus and method for managing key in library apparatus Aug. 7, 2012

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