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US20090296924 |
KEY MANAGEMENT FOR COMMUNICATION NETWORKS
One embodiment of the present invention relates to a method for key management in a communications network. In this method, a public key authentication scheme is carried out between a security...
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US20090292926 |
System and method for controlling features on a device
Trust between entities participating in an upgrade or enablement/disablement process is established and, to facilitate this remotely and securely, a highly tamper resistant point of trust in the...
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US20090290705 |
Algorithms for generating parameters for genus 2 hyperelliptic curve cryptography
An exemplary method includes defining a CM field, representing coefficients of a Frobenius element of a hyperelliptic curve over a prime field as non-linear polynomials that are functions of an...
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US20090285394 |
ENCRYPTION METHODS FOR SATELLITE RADIO BROADCASTING
According to the invention, a subscriber to a first satellite radio service can be provided with an option to receive, over their current receiver unit, supplemental content, such as a particular...
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US20090285389 |
ELECTRONIC CERTIFICATION SYSTEM AND CONFIDENTIAL COMMUNICATION SYSTEM
A first apparatus as a requester is configured to encrypt random number data by using a public key of a second apparatus as a certificate issuer; to perform a calculation that multiples original...
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US20090285388 |
Cryptographic Method with Elliptical Curves
A method determines an elliptical curve, suitable for a cryptographic method. An elliptical curve to be tested is prepared. The order of a twisted elliptical curve associated with the elliptical...
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US20090285387 |
Symmetric encryption/decryption method of variable length and application thereof
A symmetric encryption/decryption method of variable length and an application of using the method are disclosed. The method is established in a computational structure of diffusion algebra and...
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US20090274295 |
Configurable Encryption/Decryption for Multiple Services Support
A system to transmit a set of programs from a transmitter to a receiver is used to accommodate different levels of security used for each program. When a high level of security is necessary for...
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US20090268909 |
METHOD FOR OPERATING A WIRELESS SENSOR NETWORK
A method for operating a wireless sensor network, wherein the sensor network includes a multitude of distributed sensor nodes for sensing data within a pre-definable environment, and wherein the...
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US20090265540 |
HOME NETWORK CONTROLLING APPARATUS AND METHOD TO OBTAIN ENCRYPTED CONTROL INFORMATION
A network control apparatus and method is provided. The method includes operations of informing a server of capability information including an encryption/decryption method, wherein the server...
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US20090262930 |
METHOD FOR STRENGTHENING THE IMPLEMENTATION OF ECDSA AGAINST POWER ANALYSIS
A method of inhibiting the disclosure of confidential information through power analysis attacks on processors in cryptographic systems. The method masks a cryptographic operation using a generator...
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US20090240950 |
Information processing apparatus and information management method
An information processing apparatus includes a chip implemented therein to independently perform a predetermined process. The chip includes a storage unit that stores therein user signature...
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US20090240941 |
METHOD AND APPARATUS FOR AUTHENTICATING DEVICE IN MULTI DOMAIN HOME NETWORK ENVIRONMENT
A device authentication method and device authentication apparatus in a multi domain home network environment are provided. The method includes registering a new device in each local domain and...
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US20090235078 |
Signature generation apparatus and signature verification apparatus
A signature generation apparatus and a signature verification which can surely prevent occurrence of inappropriate signature verification error are provided A signature generation apparatus ( 110...
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US20090235073 |
Authentication method and communications system used for authentication
An authentication method authenticates between subscribers of a communications system using an asymmetric elliptic curve encryption algorithm. The method involves providing a first and at least one...
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US20090225988 |
INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD AND SYSTEM
To prevent falsification of an attribute of data, a mechanism is provided, which encrypt document/image data while holding the attribute contained in electronic document data as a plain text and...
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US20090222658 |
ROAMING UTILIZING AN ASYMMETRIC KEY PAIR
Techniques for generating a portion of a split private key are provided. A first symmetric key and a second symmetric key different than the first symmetric key are generated at a first location....
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US20090220086 |
METHOD AND SYSTEM FOR SECURED WIRELESS DATA TRANSMISSION TO AND FROM A REMOTE DEVICE
The device tracking location adherence and route adherence technology, according to an exemplary embodiment of this invention, at least provides for secure message reception from a remote device....
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US20090217040 |
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND COMPUTER READABLE RECORDING MEDIUM
An information processing apparatus for collecting apparatus data from an apparatus connected through a network and sending the apparatus data to a server connected through the network includes a...
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US20090214038 |
SECURITY-ENHANCED RFID SYSTEM
The present invention relates to RFID systems. In particular, the invention relates to an RFID system having enhanced security of communication between a tag and a tag reader. In a first aspect of...
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US20090214027 |
PROTECTING AGAINST SECURITY ATTACK
A communication device having a private key and configured to implement an elliptic curve security mechanism for successful operation of which it: (a) receives a first value from another device,...
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US20090210714 |
Method for electronically signing electronic documents and method for verifying an electronic signature
A medical professional registers himself with the trust centre (TC) or trusted registry (TR) acting on behalf of and/or operated by the mobile communication service provider. According to an...
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US20090208011 |
METHOD, SYSTEM AND COMPUTER PRODUCT FOR SECURING PATIENT IDENTITY
A method for securing patient identity comprising accessing an electronic medical records database including patient data for a plurality of patients. Each patient in the electronic medical records...
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US20090208005 |
KEY GENERATING DEVICE, ENCRYPTING DEVICE, RECEIVING DEVICE, KEY GENERATING METHOD, ENCRYPTING METHOD, KEY PROCESSING METHOD, AND PROGRAM
A key generating device according to an embodiment of the present invention includes: a parameter determining unit that randomly determines a plurality of parameters that are needed when generating...
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US20090207999 |
DECRYPTION PROCESSING APPARATUS, SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT
In a decryption processing apparatus, a decompression processing unit performs a map to pieces of compressed data included in a compressed encrypted data, thereby obtaining the pieces of the...
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US20090204825 |
INFORMATION PROCESSING APPARATUS AND METHOD, INFORMATION RECORDING MEDIUM, AND COMPUTER PROGRAM
An information processing apparatus includes a data processor configured to obtain first content stored in a first information recording medium and second content which is stored in a second...
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US20090187767 |
DATA-PROCESSING SYSTEM AND METHOD FOR CONTROLLING SAME, COMPUTER PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM
A data-processing system and method for controlling synthesizing digital-signature information. The system and method include holding first private-key information, inputting second private-key...
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US20090185681 |
CIRCUIT ARRANGEMENT AND METHOD FOR RSA KEY GENERATION
In order to further develop a circuit arrangement for as well as a method of performing at least one operation, in particular at least one cryptographic calculation, wherein the problem of creating...
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US20090185680 |
ENCRYPTION APPARATUS, DECRYPTION APPARATUS, KEY GENERATION APPARATUS, AND PROGRAM
An encryption apparatus includes a plaintext embedding unit that embeds a message m as a coefficient of a three-variable plaintext polynomial m(x,y,t), an identification polynomial generating unit...
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US20090185679 |
Method for electronically signing electronic documents and method for verifying an electronic signature
A medical professional registers himself with the trust centre (TC) or trusted registry (TR) acting on behalf of and/or operated by the mobile communication service provider. According to an...
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US20090182668 |
METHOD AND APPARATUS TO ENABLE LAWFUL INTERCEPT OF ENCRYPTED TRAFFIC
Methods and systems are described for communicating the session keys used to encrypt media stream to allow a lawful intercept agency to decrypt the media stream. Assuming the endpoints negotiate...
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US20090180619 |
SYSTEM FOR DISABLING UNAUTHORIZED PERSON, ENCRYPTION DEVICE, ENCRYPTION METHOD, AND PROGRAM
A system for disabling an unauthorized person includes an encryption device ( 400 ) and a decryption device ( 500 ). The encryption device ( 400 ) stores distribution member set data, a random...
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US20090180611 |
REPRESENTATION CHANGE OF A POINT ON AN ELLIPTIC CURVE
An elliptic curve cryptographic system where point coordinates are transformed from a first coordinate system to a second coordinate system. The transformed coordinates are processed by field...
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US20090177887 |
METHOD AND APPARATUS FOR BINDING UPDATE BETWEEN MOBILE NODE AND CORRESPONDENT NODE
A method and apparatus for binding update between a mobile node and a correspondent node is disclosed. The method includes: encrypting, by the correspondent node, a parameter for generating a...
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US20090172420 |
TAMPER RESISTANT METHOD AND APPARATUS FOR A STORAGE DEVICE
A method for authenticating software for use in a device includes encrypting software to be input to a device with a private key, and decrypting the software presented to the device with a public...
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US20090154693 |
ENCRYPTION PROCESSING APPARATUS, ENCRYPTION METHOD, DECRYPTION PROCESSING APPARATUS, DECRYPTION METHOD AND DATA STRUCTURE
To allow encryption by setting conditions of decryption variously. Encrypted data obtained by encrypting subject data has header data 501 , basic condition data 502 , encrypted condition data ...
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US20090147948 |
Method for Elliptic Curve Point Multiplication
An elliptic curve multiplication method comprises three stages. In the first stage, randomly selected point representations are stored in variables. In the second stage, a right-to-left loop is...
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US20090144557 |
RECOVERABLE SECURE DATA STORE SYSTEM AND METHOD
A data security provision system and method are provided herein.
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US20090138718 |
Method of generating a signature with "tight" security proof, associated verification method and signature scheme based on the diffie-hellman model
The invention relates to a method of electronically signing a message m, characterized in that it uses: p a prime integer, q a prime integer divider of (p−1), g, an element of order q of the set...
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US20090136025 |
Method for scalarly multiplying points on an elliptic curve
A method performs scalar multiplication of points on an elliptic curve by a finite expandable field K of a first field F p of a p>3 characteristic, wherein said characteristic p has low Hamming...
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US20090122980 |
Cryptographic Method for Securely Implementing an Exponentiation, and an Associated Component
An asymmetrical cryptographic method applied to a message M includes a private operation of signing or decrypting the message M to obtain a signed or decrypted message s. The private operation is...
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US20090110199 |
Toolbar Signature
A method and system are provided for a web browser toolbar signature. In one example, the method includes receiving a submission of user content from a source webpage, receiving a producer identity...
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US20090110190 |
FAST SECURE BOOT IMPLEMENTATION
A method for data storage includes employing a first CPU to execute code from a ROM associated therewith. A second CPU is employed to upload code from a flash memory to a code RAM associated with...
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US20090103730 |
APPARATUS AND METHOD FOR USING A DEVICE CONFORMING TO A PAYMENT STANDARD FOR ACCESS CONTROL AND/OR SECURE DATA STORAGE
Secure establishment of a key associated with a first facility identifier is facilitated. The key is shared between a device and an operator of a first facility, via a public key management...
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US20090100267 |
Signatures with confidential message recovery
A portion of the signed message in an ECPVS is kept truly confidential by dividing the message being signed into at least three parts, wherein one portion is visible, another portion is recoverable...
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US20090092247 |
Server Certificate Issuing System
A server certificate issuing system confirms existence of a Web server for which a certificate is to be issued. The web server includes means for generating an entry screen to input application...
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US20090074188 |
MEMBER CERTIFICATE ACQUIRING DEVICE, MEMBER CERTIFICATE ISSUING DEVICE, GROUP SIGNING DEVICE, AND GROUP SIGNATURE VERIFYING DEVICE
It is an object of the present invention to enhance the security and reduce the data amount of data to be handled in a group signing system, in which when the group public key which includes: a...
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US20090060188 |
DETERMINING SECURITY STATES USING BINARY OUTPUT SEQUENCES
A system for determining security associations using binary output sequences is described. In an example systematic embodiment, a first device is coupled over a network to a second device. Each...
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US20090052660 |
Method For Encrypting And Decrypting Instant Messaging Data
This invention provides a method for encrypting and decrypting Instant Messaging data. A client encrypts Instant Messaging data using a data encryption key and transmits the data encryption key to...
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US20090049510 |
SECURING STORED CONTENT FOR TRUSTED HOSTS AND SAFE COMPUTING ENVIRONMENTS
Techniques for protecting content to ensure its use in a trusted environment are disclosed. The stored content is protected against harmful and/or defective host (or hosted) environments. A trusted...
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