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| Number | Title | Issue Date |
| 8189790 | Developing initial and subsequent keyID information from a unique mediaID value A technique for using a key repository to store data encryption keys provides a way to access key records in the key repository using a key identifier constructed from a media identifier associated with a data storage medium on which encrypted data is or will be sto... | 05/29/2012 |
| 8184813 | Encryption key generation device A scramble key generation unit generates scramble keys (individual encryption keys) which are different from one another and which are for encrypting and decrypting distributing data, by subjecting a predetermined initial encryption key at least once to a unidirecti... | 05/22/2012 |
| 8180059 | Management apparatus, terminal apparatus, and copyright protection system A management apparatus reduces the number of pieces of unique information each not generated from another piece of unique information, among unique information being bases of keys assigned to managed apparatuses. The management apparatus calculates, for nodes... | 05/15/2012 |
| 8180060 | Telemedical system In the telemedical system securely sharing encryption keys for enabling secure exchange of the encrypted biological data between the measurement terminal and the server to prevent the data from being stolen by the malicious third party, a service key is transferred ... | 05/15/2012 |
| 8175276 | Encryption apparatus with diverse key retention schemes An encryption apparatus (14) includes a secure processing system (12) in the form of an integrated circuit. The secure processing system (12) includes an on-chip secure memory system (30). The secure memory system (30) includes a n... | 05/08/2012 |
| 8170213 | Methodology for coordinating centralized key management and encryption keys cached through proxied elements A method is provided for effectively managing encryption keys. A storage processor requests a key associated with a particular object ID associated with a particular device address range from a key server. The key server provides a unique key associated with the obj... | 05/01/2012 |
| 8165301 | Input-output device and storage controller handshake protocol using key exchange for data security A protocol for providing secured IO device and storage controller handshake protocol; IO device controlled cipher settings, and secured data storage and access in memory. An IO device requesting data transfer with encryption and/or decryption, requests session keys ... | 04/24/2012 |
| 8165305 | Enhanced relational database security through encryption of table indices A system (108) for securing a database including a first and second tables is provided, where the first table includes a first key field and a first data field and the second table includes a second key field and a second data field. The first and second key ... | 04/24/2012 |
| 8165304 | Domain digital rights management system, license sharing method for domain digital rights management system, and license server Disclosed is a domain DRM system, a license sharing method for the domain DRM system, and a license server. The domain DRM system includes at least one domain including at least one user module adapted for encryption or decryption using a provided encryption key and... | 04/24/2012 |
| 8165302 | Key table and authorization table management In certain embodiments, a player device that receives and plays content stored on packaged media, the player device has a media reader that receives a packaged media to read digital data stored thereon. The player device has a secure persistent storage device storin... | 04/24/2012 |
| 8165303 | Method and apparatus for public key cryptography Method and apparatus are described wherein, in one example embodiment, a first entity shares a digital file such as a digital image with a second entity, and the first entity and the second entity each use the digital file as a seed to generate identical public/priv... | 04/24/2012 |
| 8160255 | System and method for encrypted group network communication with point-to-point privacy Various embodiments of the disclosed subject matter provide methods and systems for improved efficiency and security in secure gateway-to-secure gateway network communication. Embodiments provide systems and methods for generating a sender secure gateway private ide... | 04/17/2012 |
| 8160256 | Key calculation method and key agreement method using the same A key calculation method and a shared key generation method, the key calculation method including: generating two keys to perform a key calculation; calculating a first value based on coefficients having an identical coefficient value among coefficients included in ... | 04/17/2012 |
| 8155320 | Data storage device, management server, integrated circuit, data update system, home electric apparatuses, data update method, encryption method, and encryption/decryption key generation method Provided is a data storage device capable of safely and effectively updating software of a home electric apparatus. In the home electric apparatus (100) in which currently used data is to be updated to new data, a reception unit (140) receives encrypte... | 04/10/2012 |
| 8150039 | Single security model in booting a computing device A method and apparatus for securely booting software components in an electronic device to establish an operating environment are described herein. According to an aspect of the invention, software components are to be executed in sequence in order to establish an o... | 04/03/2012 |
| 8150038 | Revocation of a system administrator in an encrypted file system A method of securely storing electronic information includes a step in which target electronically stored information is encrypted with a first encryption key and then partitioned into a first set of encrypted ESI partitions a subset of which is able to reconstruct ... | 04/03/2012 |
| 8144876 | Validating encrypted archive keys with MAC value An apparatus and a method for validating encrypted archive keys is described. In one embodiment, a passphrase is received. An archive key is recovered with the passphrase. A Message Authentication Code (MAC) value is computed with the recovered archive key. The comp... | 03/27/2012 |
| 8144874 | Method for obtaining key for use in secure communications over a network and apparatus for providing same A system and method comprising a computer useable medium having computer readable program code means embodied therein for authenticating and encrypting and decrypting information transferred over a public network between a client application program running in a cli... | 03/27/2012 |
| 8144875 | Method and system for establishing real-time authenticated and secured communications channels in a public network A system and method comprising a computer useable medium having computer readable program code embodied therein for authenticating and encrypting and decrypting information transferred over a public network between a client application program running in a client co... | 03/27/2012 |
| 8139769 | Processing multi-key content Multi-key content processing systems and methods, for processing content with at least one distribution target position. Each of the distribution target positions corresponds to an authorization key. An example method includes the steps of: encrypting said content w... | 03/20/2012 |
| 8130960 | Method and apparatus for providing seamless file system encryption from a pre-boot environment into a firmware interface aware operating system Methods and apparatus for providing seamless functionality in a computer are disclosed. For example, an encrypted file system manager is included to layer an encoded File Allocation Table on top of a disk and to pass to the operating system an Embedded Root Key to p... | 03/06/2012 |
| 8130962 | Content protection method and apparatus There is disclosed a content protection method and apparatus. The content protection method and apparatus further improves such related schemes by facilitating spatial as well as temporal management of content. This is achieved by storing encrypted content and a cor... | 03/06/2012 |
| 8130961 | Method and system for client-server mutual authentication using event-based OTP The invention comprises a method of authenticating and encrypting a client-server communication, comprising the steps of: a) generating a first one-time password (OTP1) and a second one-time password (OTP2) from a cryptographic token; b) generating an ... | 03/06/2012 |
| 8126150 | Storage medium processing method, storage medium processing device, and program Spread of a forged storage medium is prevented suppressing an authentic storage medium's damage and trouble of a owner to the minimum. When there is an update request of user key data, the update history of the user key data concerning the shown above-mentioned medi... | 02/28/2012 |
| 8126148 | Securing home agent to mobile node communication with HA-MN key The invention is a new protocol for securing the communication link between the Home Agent and the Mobile Node. A cipher key and an integrity key are generated at a home AAA server and are also generated independently at the Mobile Node. The two keys generated at th... | 02/28/2012 |
| 8126149 | Communication apparatus having power-saving communication function, and communication method A communication apparatus which starts communication using a power-saving function changes, with its communication counterpart, a key for a confidential mode and performs power-saving communication. When terminating the power-saving function, the communication appar... | 02/28/2012 |
| 8121294 | System and method for a derivation function for key per page Disclosed herein are systems, methods and computer-readable media to perform data encryption and decryption using a derivation function to obtain a key per page of data in a white-box environment. The method includes sharing a master key with the sender and receiver... | 02/21/2012 |
| 8116455 | System and method for securely initializing and booting a security appliance A system and method provides for secure initialization and booting of a security appliance. The security appliance cooperates with a “smart” system card to provide cryptographic information needed to boot the security appliance in accordance with a secure boot p... | 02/14/2012 |
| 8116456 | Techniques for managing heterogeneous key stores Techniques for managing heterogeneous key stores are presented. A centralized key management service receives key instructions in a generic format. These key instructions are communicated to distributed key agents distributed over a network. The key agents translate... | 02/14/2012 |
| 8116457 | Methods, apparatuses, and products for a secure circuit Methods, systems, apparatuses and products are disclosed for providing security circuits. Exemplary embodiments including semiconductor chips on circuit boards are shown, together with application in a movie stick/movie player pair. Such systems provide for a... | 02/14/2012 |
| 8111828 | Management of cryptographic keys for securing stored data A management system generates a sequence of keys and an identifier of each key in the sequence. A current key in the sequence and the identifier of the current key are transferred from the management system to a storage system. The storage system encrypts the data i... | 02/07/2012 |
| 8098823 | Multi-key cryptographically generated address A method for generating a network address, called a multi-key cryptographically generated address (MCGA), enables the network address to be claimed and defended by multiple network devices. The network address can be generated by (a) obtaining a cryptographically ge... | 01/17/2012 |
| 8098825 | Method and system for enhancing data encryption using multiple-key lists A method for enhancing data encryption using multiple-key lists is disclosed. A first multiple-key list and a second multiple-key list for a decryption key are created, wherein each multiple-key list comprises plural partial decryption keys. Content to be accessed i... | 01/17/2012 |
| 8098824 | Storage apparatus and data management method Provided is a storage system that includes a first storage apparatus and a second storage apparatus each connected to a host computer. The first and second storage apparatuses each include a controller and a disk drive. The controller manages an encryption status an... | 01/17/2012 |
| 8094822 | Broadcast encryption key distribution system Each terminal in a wireless ad-hoc communication system includes an encryption-key management list table 660. The encryption-key management list table 660 stores, in association with a terminal identifier 661 such as a MAC address, a unicast enc... | 01/10/2012 |
| 8090105 | Broadcast encryption with dual tree sizes A method, system, and computer program product for broadcast encryption key management. The invention eliminates the need for pre-specification of a maximum number of keys that can be employed in a given broadcast encryption system by enabling an initial key to be e... | 01/03/2012 |
| 8090107 | Key agreement and re-keying over a bidirectional communication path A key agreement method is carried out by a first system in conjunction with a second system over a bidirectional communication path, including generating a first key pair having a first public key and a first private key, sending the first public key to the second s... | 01/03/2012 |
| 8090106 | Multi-level data encryption and decryption system and method thereof A multi-level data encryption and decryption system and a method thereof are provided. The method includes dividing a data into a plurality of sub-data blocks corresponding to a plurality of user levels. The method also includes generating an encryption key for each... | 01/03/2012 |
| 8085936 | Method and system for content management in a secure communication system A system and method for managing content for secure communications. The system includes an interface for receiving an encrypted message, a decryption module for decrypting the message into a clear text or other readable form and a key recovery module. The key recove... | 12/27/2011 |
| 8081760 | Offline message security via selective data replication A method, system and apparatus for the offline securing of messages through selective security data replication. A method for selectively replicating security data for offline processing of electronic messages can include identifying a messaging partner associated w... | 12/20/2011 |
