|
Match
|
Document |
Document Title |
|
|
7051213 |
Storage medium and method and apparatus for separately protecting data in different areas of the storage medium
Disclosed are a method and an apparatus for protecting data on a storage medium by encrypting the data to be recorded on the storage medium with a password. This method comprises a step of,...
|
|
|
7046810 |
Data processing method and system of same portable device data processing apparatus and method of same and program
An IC card issuer issues an IC card and requests a card memory area operator to lend part of a memory area of the IC card to another card memory area user. The card memory area operator provides a...
|
|
|
7047422 |
User access to a unique data subset of a database
Described herein is one or more implementations for allowing a user access to a unique data subset of a database.
|
|
|
7047241 |
System and methods for managing digital creative works
Digital Creative Works such as copyrighted electronic media are packaged in a secure electronic format, or CONTAINER, and registered on associated registration server, which serves to provide...
|
|
|
7043642 |
Process to manage data in a chip card
The invention concerns a method for duplicating data contained a smart card memory in the memory of another smart card, which consists in producing for said other card another management code,...
|
|
|
7043018 |
Prime number generation method, prime number generation apparatus, and cryptographic system
A prime number generation method for efficiently generating prime numbers that are highly resistant to the P−1 and P+1 methods. These prime numbers are used in a cryptosystem. Prime candidates...
|
|
|
7039803 |
Method for broadcast encryption and key revocation of stateless receivers
A tree is used to partition stateless receivers in a broadcast content encryption system into subsets. Two different methods of partitioning are disclosed. When a set of revoked receivers is...
|
|
|
7039191 |
Chaining key broadcasting reception system and chaining key broadcasting reception method
In the chaining key broadcasting reception system, a chaining key reception unit receives a chaining key, an identifier of the key in question and a target key identifier indicative of a chaining...
|
|
|
7039617 |
Currency and float ID tracking in an electronic purse
The present invention relates to electronic purse systems, and in particular it relates to the improved management of multiple money flows in such systems. According to the basic principles of the...
|
|
|
7035411 |
Encryption method and apparatus encrypting and adding signature information to qubits
Arbitrary quantum information is input. The information of a quantum two-state system is acquired as a qubit by performing a computation in consideration of a physical system. The acquired qubit is...
|
|
|
7032109 |
Method and system for ensuring the security of service supplies broadcast on a computer network of the internet type
The invention concerns a method and a system enabling users ( 11 ) of an Internet type computer network provided with multimedia terminals ( 16 ) comprising a microphone ( 17 ) and connected to an...
|
|
|
7028181 |
System and method for efficient and secure revocation of a signature certificate in a public key infrastructure
System and method for revocation of a signature certificate in a Public Key Infrastructure (PKI) that includes an enterprise with one or more servers, a directory, a registration web server, and...
|
|
|
7028182 |
Secure network system and method for transfer of medical information
The assembly and communication of medical information from a variety of modalities to remote stations through a public network is provided for by the combined use of a transmitter and disassembly...
|
|
|
7024553 |
System and method for updating encryption key for wireless LAN
System for updating an encrypted key, by means of which the WEP of IEEE 802.11 can be applied to a wireless LAN system having plural APs and a large number of STAs. A key management server is...
|
|
|
7023990 |
Secure parameter generating device and parameter generating method in algebraic curve crytography
The Stickelberger element computing device computes a Stickelberger element ω in an ab cyclotomic; the Jacobian addition candidate value computing device computes the Jacobian addition candidate...
|
|
|
7023997 |
Secure messaging communication system
A secure telecommunication system 10 is provided that allows for communication between a device 14 and a receiving device 16 of encrypted data messages through a data communications network ...
|
|
|
7023998 |
Cryptographic key processing and storage
A method and apparatus enhancing the security of an encrypted cryptographic key by storing its key re-transforming information in a decryption store that is separate from a cryptographic key store,...
|
|
|
7024561 |
Contents recording apparatus, recording medium, contents reproducing apparatus, contents transmission method, transmission medium, and contents reception method
A recording apparatus generates key information based at least on contents reproduction permission information, encrypts contents based on the key information, and records the encrypted contents...
|
|
|
7020779 |
Secure, distributed e-mail system
An e-mail handling system, wherein e-mail messages are entered, transported and stored, comprises a central key repository, means for encrypting a message using a key associated with the message,...
|
|
|
7020287 |
Method and system for key insertion for stored encrypted content
An encrypted content transport stream is received by a viewer's device and recorded for subsequent playback. During recording, keys in headers of packets of the stream are stripped and placed in...
|
|
|
7020780 |
Method apparatus and systems for producing and writing cipher keys, reproducing information with a cipher key, and for permitting reproduction of information with a cipher key, and permitting reproduction of information with a cipher key, and optical disc recorded with a cipher key
Plural program information and a BCA (Burst Cutting Area) number of the optical disc 100 is previously recorded in the optical disc 100 . A drive ID is stored in the nonvolatile memory 104 a ...
|
|
|
7017181 |
Identity-based-encryption messaging system with public parameter host servers
A system is provided that uses identity-based encryption (IBE) to support secure communications. Messages from a sender may be encrypted using an IBE public key and IBE public parameter information...
|
|
|
7016493 |
Key matrix system
A system ( 100 ) and method ( 400, 500 ) for data encryption and decryption are disclosed. The encryption system is operable at encryption rates in excess of 10 Mbps and is expandable to over 200...
|
|
|
7016497 |
Data decryption system
A system ( 100 ) and method ( 400, 500 ) for data encryption and decryption are disclosed. The encryption system is operable at encryption rates in excess of 10 Mbps and is expandable to over 200...
|
|
|
7016495 |
Multiple level access system
A method of securing an object at an access level includes selecting a profile for a user, including a credential having an encrypted credential public key, an encrypted credential public key...
|
|
|
7013010 |
Method and apparatus for optimally formatting media key blocks stored on media with high transfer latencies
A method and apparatus to format and process a Media Key Block so as to reduce latencies when processing the Media Key Block. A new record is generated containing header information for the records...
|
|
|
7012932 |
Digital broadcast data receiving apparatus
A digital broadcast data receiving apparatus comprises a plurality of broadcast data receiving units for receiving digital broadcast data supplied from a plurality of digital broadcast data...
|
|
|
7013190 |
Model management system and apparatus
A model management apparatus capable of efficient management of bulk data which has a large amount of information. When new bulk data is stored in bulk data storing means of an in-process server,...
|
|
|
7010685 |
Method and apparatus for storing scrambled digital programs by filtering product identifier
In accordance with one embodiment, a method for storing a normal scrambled digital program is provided. The method includes receiving a scrambled program, and receiving a plurality of access...
|
|
|
7010124 |
Location dependent key for decrypting copy protected material on a recording medium
Information to be recorded is encrypted using an encryption key based on information inherent in a recording medium. The information inherent in the recording medium is specific information on a...
|
|
|
7010691 |
ABDS system utilizing security information in authenticating entity access
AA system in which a requesting entity seeking access to a controlled resource is authenticated by an access authentication component includes the requesting entity initially opening a security...
|
|
|
7010127 |
Cryptographic communication method, file access system and recording medium
A cryptographic communication method is provided in which a cryptographic communication is performed by an easy operation even if both enciphered data and unenciphered data are mixed to be handled....
|
|
|
7010806 |
Dynamic downloading of keyboard keycode data to a networked client
The present invention is directed toward dynamic downloading of keyboard keycode data to a networked client. According to one or more embodiments of the present invention, a user logs into a...
|
|
|
7010808 |
Binding digital content to a portable storage device or the like in a digital rights management (DRM) system
Digital content is rendered on a device by transferring the content to the device and obtaining a digital license corresponding to the content. A sub-license corresponding to and based on the...
|
|
|
7006633 |
Global encryption system
A system and method for encryption, transmission and decryption of data based on a publicly or other wide area broadcast random number sequence. Encryption is by a selected subsequence from the...
|
|
|
7003111 |
Method, system, and program, for encoding and decoding input data
Provided is a method, system, and program for encoding and decoding input data. A key is generated comprising a list of a plurality of binary values, wherein the key is available to a user during...
|
|
|
7003116 |
System for encrypted file storage optimization via differentiated key lengths
A key management module is utilized to improve efficiency in cryptographic systems. The key management module may monitor file usage and recommend (and/or implement) key pair changes. In...
|
|
|
7003117 |
Identity-based encryption system for secure data distribution
A system is provided that allows encrypted content to be distributed to users over a communications network. A policy enforcement service may use an identity-based encryption algorithm to generate...
|
|
|
7003108 |
Data encryption methodology
A system ( 100 ) and method ( 400, 500 ) for data encryption and decryption are disclosed. The encryption system is operable at encryption rates in excess of 10 Mbps and is expandable to over 200...
|
|
|
6999948 |
Memory card
A memory card 110 extracts a session key Ks from the data applied onto a data bus BS 3 by carrying out a decryption process. An encryption processing unit 1406 encrypts a public encryption key...
|
|
|
6996238 |
Method for generating and looking-up transaction keys in communication networks
Method and apparatus for generating keys for encoding data for transmission, a device identification is accessed and at least one key corresponding to the device identification. Data is encoded...
|
|
|
6996724 |
Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system
At the time when generating a secret key of each entity by using each divided identification information (ID division vector) obtained by dividing identification information (ID vector) of each...
|
|
|
6996546 |
System and methods for digital receipts
A secure system for creating digital receipts, while minimizing the amount of data that is encoded in the digital receipt. The digital receipt provides authentication for a transaction. A digital...
|
|
|
6993138 |
Spatial key trees for key management in wireless environments
A system, method, and program code are given for secure communication. Multiple geographic cells are arranged in a hierarchical tree having a root node and internal nodes. The root node and each...
|
|
|
6993135 |
Content processing system and content protecting method
A content processing system for use in an electronic apparatus includes a unit for acquiring first revocation list information corresponding to a first media type, and a unit for recording the...
|
|
|
6990201 |
Method for testing a random number source and electronic devices comprising said method
The invention concerns a method for testing sources generating random numbers, particularly sources set up in the context of cryptographic systems such as random number generators incorporated in...
|
|
|
6986040 |
System and method of exploiting the security of a secure communication channel to secure a non-secure communication channel
The present invention features a system and method for establishing a secure communication channel between a client and an application server. In one embodiment, a ticket service generates a ticket...
|
|
|
6985591 |
Method and apparatus for distributing keys for decrypting and re-encrypting publicly distributed media
The present invention provides secure communication from one encryption domain to another using a trusted module. In one embodiment, the invention includes receiving a first key for decryption of...
|
|
|
6986050 |
Computer security method and apparatus
A method of securing data stored on an electronic device 1, the method comprising encrypting the data using a cryptographic key derivable from or accessed using a passphrase, requiring the entry...
|
|
|
6986054 |
Attack-resistant implementation method
The present invention makes it difficult for unauthorized parties to estimate processing and a secret key based upon the waveforms of power consumption of an IC card chip by changing a processing...
|