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7577851 |
Multitask execution apparatus and multitask execution method
A multitask execution system executes a plurality of tasks in parallel. The multitask execution system includes an encryption processor configured to generate a key stream unique to each task, by...
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7545930 |
Portable terminal
A portable terminal ( 10 ) for encrypting information is described. The terminal ( 10 ) generates a new key for each transaction, where the new key is generated using one or more properties of the...
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7542071 |
Image transmission system, image pickup apparatus, image pickup apparatus unit, key generating apparatus, and program
An image transmission system comprises: one or a plurality of image pickup apparatus each having a unique identifying number and having an encrypting function for encrypting a picked-up image for...
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7539876 |
Apparatus and method for generating a cryptographic key schedule in a microprocessor
An apparatus and method for performing cryptographic operations. In one embodiment, an apparatus is provided for performing cryptographic operations. The apparatus includes fetch logic, keygen...
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7536560 |
Microprocessor apparatus and method for providing configurable cryptographic key size
The present invention provides an apparatus and method for performing cryptographic operations on a plurality of input data blocks within a microprocessor, where the size cryptographic key that is...
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7529919 |
Boot blocks for software
In accordance with one aspect of boot blocks for software, in a computer system that has a central processing unit and a software identity register, an atomic operation is executed to set an...
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7522727 |
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...
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7519833 |
Microprocessor apparatus and method for enabling configurable data block size in a cryptographic engine
The present invention provides an apparatus and method for performing cryptographic operations on a plurality of input data blocks within a processor, where the size of the input data blocks is...
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7515730 |
Progressive image quality control using watermarking
The ability to remove a watermark from an encoded image by reversible watermarking opens the possibility of various novel applications. Several such applications are detailed. One permits different...
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7512240 |
Management of security key distribution
Security keys for the provision of a secure service such as content provision are generated in an ancestral hierarchy, so that invalidation of a key in the hierarchy results in a need to...
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7502463 |
Methods and apparatus for implementing a cryptography engine
Methods and apparatus are provided for implementing a cryptography engine for cryptography processing. A variety of techniques are described. A cryptography engine such as a DES engine can be...
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7502468 |
Method and system for generating a cryptographically random number stream
A method and system for generating a cryptographically random number stream ( 100 ) is provided. A system includes a module ( 102 ) configured to provide at least two statistically random number...
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7450260 |
Printer driver program and printer
In a printer driver that transmits a print data to a printer connected via a network to make a print request, a document password processing unit prompts a user to input a document password for...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 )...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7106860 |
System and method for executing Advanced Encryption Standard (AES) algorithm
A system and method is presented for enciphering information using the Advanced Encryption Standard (AES) algorithm in which a subprocessor is configured to manipulate data as it is being loaded...
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7103185 |
Method and apparatus for distributing and updating private keys of multicast group managers using directory replication
An approach for establishing secure multicast communication among multiple multicast proxy service nodes is disclosed. The multicast proxy service nodes, which can be distributed throughout an...
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7096355 |
Dynamic encoding algorithms and inline message decryption
In general, data exchanged between users is protected using any of various encoding approaches. An example of encoding is encryption, but any kind of encoding may be used. The data used to encrypt...
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7093139 |
Unauthorized modification of values stored in flash memory
The invention is a method and system in which an authentication chip having secret information stored within it, including secret data stored in multi-level flash memory, is protected from...
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7082536 |
System and method for computerized global messaging encryption
A computer based message encryption system for transmitting encrypted message between a sending member of an internal messaging system and a receiving non-member or receiving member external user...
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7079653 |
Cryptographic key split binding process and apparatus
A cryptographic key split combiner includes a number of key split generators for generating cryptographic key splits from seed data, and a key split randomizer for randomizing the key splits to...
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6985588 |
System and method for using location identity to control access to 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...
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6980658 |
Method and apparatus for encrypting transmissions in a communication system
Method and apparatus for encrypting transmission traffic at separate protocol layers L 1 , L 2 , and L 3 so that separate encryption elements can be assigned to separate types of transmission...
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6922775 |
User support system for cryptographic communication in network systems
A user support system for cryptographic communication includes a key storage for storing keys used for deciphering, a deciphering part for deciphering an enciphered communication text into a...
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6895090 |
Pseudo-noise sequence with insertion having variant length and position
An augmented pseudo-noise sequence ( 10 ) is generated from a two or more pseudo-noise sequences, using LFSRs or other such devices. A segment ( 16 ) of a one pseudo-noise sequence ( 14 ), having...
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6845159 |
Processing method and apparatus for converting information from a first format into a second format
A data processing method and apparatus are proposed for used in the encryption, decryption and authentication of messages. A memory for storing input information, a set of operations and a...
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6823457 |
Method and system for verifying control accesses between a device on a non-proprietary bus and a device on a proprietary bus
A method for verifying control accesses between a device on a non-proprietary bus and a device on a proprietary bus is disclosed. A gateway controller is connected between a proprietary bus and a...
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6807277 |
Secure messaging system with return receipts
A method and system for electronic messaging in which a sender of an electronic message receives a return receipt, without having to send the message contents to a third party. The sender contacts...
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6757832 |
Unauthorized modification of values in flash memory
The invention is a method and system in which an authentication chip having secret information stored within it, including secret data stored in multi-level flash memory, is protected from...
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6674861 |
Digital audio watermarking using content-adaptive, multiple echo hopping
A method, an apparatus and a computer program product for adaptive, content-based watermark embedding of a digital audio signal ( 100 ) are disclosed. Corresponding watermark extracting techniques...
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