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| Number | Title | Issue Date |
| 8130954 | Methods and apparatus for authenticating data as originating from a storage and processing device and for securing software and data stored on the storage and processing device Techniques are described for using unique features of a storage medium for authentication of data as originating from the storage medium, and also for installing software and data to a storage medium in a way which inhibits unauthorized copying of the software and d... | 03/06/2012 |
| 8045712 | Stream ciphering of the content of a memory external to a processor A method and an element of ciphering by an integrated processor of data to be stored in a memory, including applying a ciphering algorithm which is a function of a key specific to the integrated circuit and of an initialization vector, and of memorizing at least the... | 10/25/2011 |
| 7925021 | Efficient handling of messages, data and keys in media access layers for network communications A messaging system includes a first mailbox storage assigned to receive a message for the first processor and a first lock indicator having a first state to indicate that the first mailbox storage can receive a message and a second state to indicate that the first m... | 04/12/2011 |
| 7809141 | Ciphering by blocks of the content of a memory external to a processor A method and an element for ciphering with an integrated processor data to be stored in a memory, including applying to each data block to be ciphered a ciphering algorithm which is a function of at least one key specific to the integrated circuit, and before applyi... | 10/05/2010 |
| 7751567 | Local authentication of mobile subscribers outside their home systems Methods and apparatus are presented for providing local authentication of subscribers traveling outside their home systems. A subscriber identification token 230 provides authentication support by generating a signature 370 based upon a key that is hel... | 07/06/2010 |
| 7668315 | Local authentication of mobile subscribers outside their home systems Methods and apparatus are presented for providing local authentication of subscribers travelling outside their home systems. A subscriber identification token 230 provides authentication support by generating a signature 370 based upon a key that is he... | 02/23/2010 |
| 7643636 | Managing multiple cryptographic periods in a single cryptographic group A plurality of storage location numbers (“SLNs”), each having a cryptographic period, is received at a first device (100). A system cryptographic period is determined based on the SLN cryptographic periods. Prior to expiration of each system cryptographic... | 01/05/2010 |
| 7440571 | Method for securing software updates This invention proposes a method for securing updating software in a plurality of decoders based on the generation of a signature by means of a private asymmetrical key. The updating of a decoder is carried out by downloading, from a managing center, a data block in... | 10/21/2008 |
| 7434069 | Method and device for encryption/decryption of data on mass storage device A method and device performing encryption/decryption of data on a mass storage media. A plurality of different encryption/decryption algorithms with associated keys can be utilised on different storage areas of the media, such as blocks/sectors on a hard disk drive,... | 10/07/2008 |
| 7434046 | Method and apparatus providing secure multicast group communication An approach for establishing secure multicast communication among multiple members that participate in a multicast group is disclosed. In one feature, multiple multicast proxy service nodes (MPSNs) are defined and control when members join or leave the multicast gro... | 10/07/2008 |
| 7426275 | Handling device and method of security data A handling device of security data of a vehicle includes: an in-vehicle unit having a portable unit authenticating unit, an EEPROM, a ROM, and a controller; a vehicle having the in-vehicle unit, a door locking mechanism, and a communication unit; and a portable unit... | 09/16/2008 |
| 7424116 | Method and apparatus for providing authentication in a communication system A method includes receiving an authentication request from a mobile station (401) and determining whether to forward the request to an authentication agent. When it is determined to forward the request, the request is forwarded to the authentication agent ( | 09/09/2008 |
| 7392376 | Security module A method and apparatus for restricting access of an application to computer hardware. The apparatus includes both an authentication module and a validation module. The authentication module is within the trusted firmware layer. The purpose of the authentication modu... | 06/24/2008 |
| 7352868 | Method and apparatus for security in a data processing system Method and apparatus for secure transmissions. Each user is provided a registration key. A long-time updated broadcast key is encrypted using the registration key and provided periodically to a user. A short-time updated key is encrypted using the broadcast key. The... | 04/01/2008 |
| 7334131 | Protected storage of a datum in an integrated circuit A method for protecting at least one first datum to be stored in an integrated circuit, including, upon storage of the first datum, performing a combination with at least one second physical datum coming from at least one network of physical parameters, and only sto... | 02/19/2008 |
| 7325181 | Method and device for selecting the operating mode of an integrated circuit A device for selecting an operating mode of an integrated circuit, including a non-volatile memory programmable after manufacturing exhibiting prior to any programming an initial content, means for storing a first signature representative of the initial content of t... | 01/29/2008 |
| 7321131 | Universal gates for ising TQFT via time-tilted interferometry Experiments suggest that the mathematically weakest non-abelian TQFT may be physically the most robust. Such TQFT's—the ν=5/2 FQHE state in particular—have discrete braid group representations, so one cannot build a universal quantum computer from these alone. ... | 01/22/2008 |
| 7319681 | Method and apparatus for securing media access control (MAC) addresses An apparatus and method for securing media access control (MAC) addresses in a wireless local area network (LAN) environment are provided. In the method of securing MAC addresses, a cryptographically generated address (CGA) is generated using a predetermined cipher ... | 01/15/2008 |
| 7317798 | Communication processing system, communication processing method, server and computer program A communication processing system which allows a secure communication with a mobile terminal via a network. The communication processing system includes a server which provides a common key used to encrypt and decrypt data transmitted between communication terminals... | 01/08/2008 |
| 7308102 | System and method for securing access to memory modules A system and method for securing access to memory modules includes a memory module, a virtual memory module, a boot module, and a gatekeeper. The boot module accepts a key and requests for the memory module and provides the requests and the key to the virtual memory... | 12/11/2007 |
| 7305567 | Decoupled architecture for data ciphering operations In one embodiment, an apparatus comprises a microcontroller unit to store instructions into an execution queue. The apparatus also comprises an execution queue unit to generate a widely decoded functional execution instruction based on at least one instruction store... | 12/04/2007 |
| 7298850 | Encrypting keypad module An encrypting keypad module (30) comprising a keypad (40) and an encryption unit (42) is described. The encryption unit (42) includes an interpreter (56) for receiving a file (150) containing data and instructions for proces... | 11/20/2007 |
| 7281132 | Using token-based signing to install unsigned binaries The present invention provides for token based signing of an unsigned binary which may be a stream of bits (e.g., 0's and 1's). The unsigned binary is signed using a secret key which resides in a token (e.g., a smart card), which makes the secret key available to th... | 10/09/2007 |
| 7277871 | Digital watermark system A digital watermark embedding apparatus generates an echo signal, which is delayed a time period corresponding to digital watermark information to be embedded with respect to each tone signal that forms an original audio signal, and inserts the generated echo signal... | 10/02/2007 |
| 7272228 | System and method for securing code and ensuring proper execution using state-based encryption A system and method for securing code segments and ensuring proper execution using state-based encryption is presented. A class loader captures a memory state snapshot and uses the memory state snapshot for generating a key that encrypts a class. The class loader su... | 09/18/2007 |
| 7269259 | Methods and apparatus for authenticating data as originating from a storage and processing device and for securing software and data stored on the storage and processing device Techniques are described for using unique features of a storage medium for authentication of data as originating from the storage medium, and also for installing software and data to a storage medium in a way which inhibits unauthorized copying of the software and d... | 09/11/2007 |
| 7260716 | Method for overcoming the single point of failure of the central group controller in a binary tree group key exchange approach An approach for managing addition or deletion of nodes in a multicast or broadcast group, which avoids introducing a single point of failure at a group controller, certificate authority, or key distribution center, is disclosed. A central group controller utilizes a... | 08/21/2007 |
| 7257607 | Random number generating apparatus, random number generating method, program for generating random numbers, audio decoder and audio decoding method A random number generating apparatus is equipped with a random number memory section in which a plurality of sets of random numbers, whose total energy R, has a fixed value are stored. N random numbers are generated on the basis of more than one set of random number... | 08/14/2007 |
| 7203317 | System for enabling lazy-revocation through recursive key generation A plurality of users may have access to a file. The file is encrypted with a key. Access for a user to the file is revoked. A new key is generated from the current key of the file in response to said revocation, and the file is encrypted with the new key. ... | 04/10/2007 |
| 7200747 | System for ensuring data privacy and user differentiation in a distributed file system A security module is configured to provide an owner the capability to differentiate between users. In particular, the security module is configured to generate an asymmetric read/write key pair for respectively decrypting/encrypting data for storage on a disk. The o... | 04/03/2007 |
| 7194591 | Data communication apparatus and method for managing memory in the same A plurality of services are defined for one service memory field (overlap service), and a plurality of access methods, such as “only read” and “read/write”, are set in the service memory field. When an overlap service is defined, a PIN code may be set to eac... | 03/20/2007 |
| 7194092 | Key-based secure storage Secure storage for downloaded content on a subscriber computer is keyed to a trusted digital rights management operating system, a trusted application, a trusted user or a combination thereof. A one-way hash function is applied to a seed supplied by an application t... | 03/20/2007 |
| 7191335 | Method and apparatus for encrypted transmission A method of encryption of data in a digital television system communicated between a first decoder and a portable security module, wherein a precalculated key pair is stored in a memory of the first decoder, wherein the key pair includes a session key and an encrypt... | 03/13/2007 |
| 7191340 | Generation of a secret quantity based on an identifier of an integrated circuit A method and a circuit for generating a secret quantity based on an identifier of an integrated circuit, in which a first digital word is generated from a physical parameter network, and this first word is submitted to at least one retroaction shift register, the ou... | 03/13/2007 |
| 7178036 | Method and system for providing copy-protection on a storage medium and storage medium for use in such a system In a method for providing copy-protection services on a storage medium (for instance a solid state memory module), the data are arranged in sectors to which a field (S4T) is associated, where said field contains a random value Ri which is changed randomly... | 02/13/2007 |
| 7174568 | Method and system for securely distributing computer software products A product distribution and payment system for limited use or otherwise restricted digital software products. Digital content data comprising a software product to be rented is made available to customers through a detachable local storage medium, such as a DVD or CD... | 02/06/2007 |
| 7146499 | Security system for replicated storage devices on computer networks Through associating each data partition within a replicated storage domain of networked storage devices with one of multiple secret keys shared with a file manager, a credential is issued from the file manager to a client requesting access to a partition. The creden... | 12/05/2006 |
| 7145992 | Network system and method for automatically interfacing with communication apparatus of different standard A communication apparatus including a network control unit for interfacing with a telephone line. The network control unit comprises a direct current circuit in which a loop state direct current can flow, and a direct current limiting device for limiting the loop st... | 12/05/2006 |
| 7143289 | System and method for delivering encrypted information in a communication network using location identity and key tables Access to digital data is controlled by encrypting the data in such a manner that, in a single digital data acquisition step, it can be decrypted only at a specified location, within a specific time frame, and with a secret key. Data encrypted in such a manner is sa... | 11/28/2006 |
| 7120254 | Cryptographic system and method for geolocking and securing digital information A method and apparatus for controlling access to digital information utilizes a location identity attribute that defines a specific geographic location. The location identity attribute is associated with the digital information such that the digital information can ... | 10/10/2006 |
