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| Application No. | Application Title | Issue Date |
| 20080013716 | Method to produce new multivariate public key cryptosystems Multivariate public key cryptosystems (MPKC) are public key cryptosystems, whose public key are a set of multivariate polynomials over a finite field (or ring). MPKC can be used for encryption, authentication and signatures. The invention develops three new methods that... | 01/17/2008 |
| 20080013718 | Image processing apparatus, image processing method and image processing program The scanner apparatus incorporating a scanner section, a printer section, an operator panel section, a storage section, a network communication section and a processing section is connected to various terminal units, such as a client terminal, via a network. This scanne... | 01/17/2008 |
| 20080013717 | SYSTEM AND METHOD FOR DYNAMIC MODIFICATION OF ALLOWABLE ELECTRONIC MESSAGE PROPERTIES A system and method for dynamically and automatically updating the appropriate fields on the message application screen of an electronic message to show which of the appropriate service book, security encoding or security properties are acceptable or allowed for the mes... | 01/17/2008 |
| 20080010467 | Privacy-preserving concatenation of strings A system for contributing to a concatenation of a first string and a second string may include a communication unit to receive an encrypted representation of a second share of the second string, the second string being identical to the second share of the second string ... | 01/10/2008 |
| 20080005567 | METHOD AND SYSTEM FOR PERSONALIZING SMART CARDS USING ASYMMETRIC KEY CRYPTOGRAPHY Systems and methods are described that permit a smart card to be personalized in a secure manner using asymmetric cryptography. Systems and methods are described whereby personalization instructions can be directed to a selected application in the device, whereby the pe... | 01/03/2008 |
| 20080002825 | Method and a system for a quick verification rabin signature scheme A method and a system to perform a Quick Verification of a Rabin Signature (QVRS) is provided. In one embodiment, the signing party generates a Rabin signature S of an original message M using a public key N in the Rabin signature generating formula M=S2 mod ... | 01/03/2008 |
| 20070300080 | Two-Factor Content Protection A system for providing two-factor content protection includes a first device that is enabled with content protection, and a second device that is used to authenticate users of the first device. The first device uses the public key (KPUBLIC) of a public/privat... | 12/27/2007 |
| 20070291936 | Consumer-driven secure sockets layer modulator A software system and method for executing secure commercial transactions online is disclosed. The system intercepts and verifies, against consumer provided inputs, Secure Socket Layer (SSL) communications from normal Web browser usage. The system can include a software... | 12/20/2007 |
| 20070291937 | Cryptographic Processing Apparatus An apparatus and a method for performing a hyperelliptic curve cryptography process at a high speed in a highly secure manner are provided. A base point D is produced such that the base point D and one or more of precalculated data in addition to the base point used in ... | 12/20/2007 |
| 20070274518 | Encryption System, Encryption Device, Decryption Device, Program, And Integrated Circuit An encrypted communication system, capable of performing processing with the speed higher than the conventionally achieved speed, has an encryption device and a decryption device which share parameters that satisfy p=3 and q=2ˆk (k: an integer of 2 or greater) (S161... | 11/29/2007 |
| 20070269041 | Method and apparatus for secure messaging Methods and systems for secure messaging are disclosed. One method includes generating a first key associated with the sender. The method further includes encrypting a message from the sender to the recipient using the first key. The method also includes encrypting the ... | 11/22/2007 |
| 20070269040 | Cryptographic Protocol for Commonly Controlled Devices This document describes tools that enable secure communication between devices that are within a user's common control. These commonly controlled devices may follow a protocol, for example, where each commits to its own public key and receives a commitment of the other'... | 11/22/2007 |
| 20070248225 | 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 identit... | 10/25/2007 |
| 20070248224 | METHOD FOR ELLIPTIC CURVE PUBLIC KEY CRYPTOGRAPHIC VALIDATION Communication and validation of information transfer from a transmitter to a receiver is achieved by generating a cipher (400) from a message m (410) using parameters of an elliptic curve, a generator point P (406) on the elliptic curve and a public... | 10/25/2007 |
| 20070242822 | SYSTEM, DEVICE, METHOD, AND PROGRAM FOR COMMUNICATION A communication device performing wireless communication with another communication device includes a private value generating unit, a calculating unit, and an encryption key generating unit is provided. The private value generating unit generates a first private value ... | 10/18/2007 |
| 20070237325 | Method and apparatus to improve security of cryptographic systems A device having cryptographic capabilities is provided as including a security system connected to a microcontroller block, whereby the security system includes a non-volatile memory and a finite state machine. The finite state machine manages the device to maintain the... | 10/11/2007 |
| 20070230689 | METHOD FOR TRANSFERRING MESSAGES COMPRISING EXTENSIBLE MARKUP LANGUAGE INFORMATION Methods for transferring messages (30) comprising extensible markup language information from sources (104) via intermediates (105) to destinations (106) are provided with hop-by-hop encryption/decryption processes instead of end-to-end encry... | 10/04/2007 |
| 20070230688 | Secret communication system and method for generating shared secret information A user request can be reflected in the degree of security of an updated key in quantum key distribution. A sender and a receiver are connected through optical fiber. A quantum transmitter in the sender and a quantum receiver in the receiver carry out basis reconciliatio... | 10/04/2007 |
| 20070223689 | Computer architecture for a handheld electronic device with a shared human-machine interface Mobile PDA computer system (300) includes a secure user processor (302), a non-secure user processor (306), a cryptographic engine (304), and a shared human/machine interface (HMI) (308). The secure user processor (302) can be c... | 09/27/2007 |
| 20070223687 | Flexible architecture for processing of large numbers and method therefor A method of implementing large number multiplication and exponentiation is provided upon a general purpose microprocessor. These large number multiplication and exponentiation processes being common to cryptography standards such as RSA and AES that typically employ num... | 09/27/2007 |
| 20070211893 | ENCRYPTION AND VERIFICATION USING PARTIAL PUBLIC KEY A method and device for using a partial public key in a cryptosystem. The cryptosystem may be based on a group, such as an elliptic curve over a finite field. The device includes a first memory for storing system parameters of the cryptosystem and a second memory for st... | 09/13/2007 |
| 20070211894 | Encryption processing apparatus, encryption processing method, and computer program An encryption processing apparatus for performing a scalar multiplication of kP+lQ based on two points P and Q on an elliptic curve and scalar values k and l or a scalar multiplication of kD1+lD2 based on divisors D1 and D2 an... | 09/13/2007 |
| 20070211892 | Authenticated device, authenticating device and authenticating method An authenticated device 200 includes a memory unit 220 to store at least one algorithm identifier and at least one encryption key identifier, a transmitting unit 212 to transmit at least one algorithm identifier and at least one encryption key ident... | 09/13/2007 |
| 20070206787 | Method and system for secure transmission of an encrypted media stream across a network Embodiments of the invention provide a method and system for sending a session key file encryption key for use in the secure transmission of an encrypted media stream across a network. A logging node receives a double encrypted session key file encryption key. The sessi... | 09/06/2007 |
| 20070206786 | RFID SECURITY SYSTEM A process for handling secret data. In an RFID tag, a cryptography key protecting the secret data is written while with a first holder, a threshold cryptography share is stored, or an arbitrary value is obtained for an identity-based encryption (IBE) algorithm. The cryp... | 09/06/2007 |
| 20070201691 | METHOD OF STORING OR RECORDING HIGHLY CONFIDENTIAL DATA, PLAYBACK APPARATUS USING HIGHLY CONFIDENTIAL DATA, AND MEMORY STORING HIGHLY CONFIDENTIAL DATA According to one embodiment, a storing or recording method of highly confidential data includes sorting a key set (a set of keys and position information items thereof) according to the position information items (for example, position numbers of a column) for each rele... | 08/30/2007 |
| 20070195950 | Method for the transmission of management data This invention relates to a method for the transmission of management data to at least one multimedia unit or a group of multimedia units. This method is characterised in that said management data is sent in the form of at least one authorisation message encrypted by me... | 08/23/2007 |
| 20070189521 | Data transmission apparatus, data receiving apparatus and data communication method A highly concealable data communication apparatus which is based on an astronomical complexity and causes an eavesdropper to take a significantly increased time to analyze a cipher text, is provided. In a multi-level code generation section 111a, a random ... | 08/16/2007 |
| 20070189520 | Systems and Methods to Facilitate Transition from Communication to Commerce A method and system to facilitate the conversion from communications to commerce. In one embodiment, a method includes: establishing a communication session between a first user and a second user; facilitating communications between the first user and the second user fo... | 08/16/2007 |
| 20070189519 | Detecting compromised ballots A facility for discerning corruption of an electronic ballot is described. The facility sends from a first computer system to a second computer system an encrypted ballot that reflects a ballot choice selected by a voter. The facility then sends a confirmation from the ... | 08/16/2007 |
| 20070189518 | 3-D quaternion quantum fractal encryption An encryption method based on a controlled permutation algorithm using a three-dimensional quaternion quantum fractal image to establish a nearly infinite range of data from which encryption keys can be derived. The data of the fractal is converted at base 16 to yield m... | 08/16/2007 |
| 20070189517 | Pseudo public key encryption According to the present invention, a secret key cryptosystem and tamper-proof hardware are used to realize a pseudo public key cryptosystem at a low cost. A trap-door one-way function is substantially realized with the use of tamper-proof hardware. Each user performs c... | 08/16/2007 |
| 20070189515 | Public key cryptosystem and associated method utilizing a hard lattice with O(n log n) random bits for security A public key cryptosystem utilizes a hard lattice with O(n log n) random bits for security. The system comprises a public-key cryptosystem whose hardness assumption is a clearly stated mathematical problem with a long history and comprises a short key, reaching a balanc... | 08/16/2007 |
| 20070189516 | Diffused asymmetric encryption/decryption method This invention discloses an asymmetric encryption/decryption method processed by diffusion algebra, and more particularly to a multiplication method using one-dimensional matrix displacement and addition to generate a ciphertext by multiplying a public (or private) key ... | 08/16/2007 |
| 20070177726 | DIGITAL SIGNATURES ON A SMARTCARD A digital signature scheme for a “smart” card utilizes a set of prestored signing elements and combines pairs of the elements to produce a new session pair. The combination of the elements is performed partly on the card and partly on the associated transaction devi... | 08/02/2007 |
| 20070180267 | Method and apparatus for encrypting data A method for encrypting data comprising deriving a public key using a first data set that defines an instruction; encrypting a second data set with the public key; providing the encrypted third data set to a recipient; providing the public key to a third party such that... | 08/02/2007 |
| 20070180241 | Authentication method An authentication method of a first module by a second module includes the steps of generating a first random datum by the second module to be sent to the first module, generating a first number by the first module starting from the first datum and by way of a private k... | 08/02/2007 |
| 20070177727 | Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attack The public-key encryption method uses the sender-side apparatus by the creator of a ciphertest and creates the ciphertext of a plaintext x (∈ {0, 1}n), in y1=f (x0k1G(r)), y2=H (x0k1G(r))r with respect ... | 08/02/2007 |
| 20070177725 | System and method for transmitting and receiving secret information, and wireless local communication device using the same A system and method for transmitting and receiving secret information, a device using the same, and a wireless local communication device. The system for transmitting and receiving secret information includes at least one device to generate a ciphertext using public key... | 08/02/2007 |
| 20070165844 | System and method for protecting master encryption keys A system and method for protecting master transport encryption keys stored on a computing device. Master transport encryption keys are used to secure data communications between computing devices. In one example embodiment, there is provided a method in which a copy of ... | 07/19/2007 |
