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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 8190905 | Authorizing administrative operations using a split knowledge protocol A system and method for authorizing administrative operations in a computer is provided. The computer initiates the split knowledge protocol upon an attempt by an administrator to invoke the operations. The administrator identifies a predetermined number of entities... | 05/29/2012 |
| 8185745 | Detection of frequent and dispersed invariants A scalable method and apparatus that detects frequent and dispersed invariants is disclosed. More particularly, the application discloses a system that can simultaneously track frequency rates and dispersion criteria of unknown invariants. In other words, the applic... | 05/22/2012 |
| 8185744 | Aggregate signature schemes An authenticated RFID system is provided that uses elliptic curve cryptography (ECC) to reduce the signature size and read/write times when compared to traditional public key implementations such as RSA. Either ECDSA or ECPVS can be used to reduce the signature size... | 05/22/2012 |
| 8166308 | System and method for authenticating a gaming device A method and system are provided for authenticating and securing an embedded device using a secure boot procedure and a full non-volatile memory encryption process that implements Elliptic Curve Pinstov-Vanstone Signature (ECPV) scheme with message recovery on a per... | 04/24/2012 |
| 8127140 | Group signature scheme An efficient and safe group signature scheme is provided. According to the present invention, an open unit is provided to not an issuer but an opener, and a data required for operating the open unit does not include a key pair of the issuer, so that it is possible t... | 02/28/2012 |
| 8117457 | Trusted hardcopy document A trusted hardcopy document is generated using a two-part confirmation number including a private part and a public part. A public part of the confirmation number is received at a first party creating the trusted hardcopy document. The private part of the confirmati... | 02/14/2012 |
| 8090954 | Prevention of unauthorized forwarding and authentication of signatures A forwarding signature comprises a modified digital signature, modified using a predetermined parameter between a sender and an intended recipient. An intended recipient of the forwarding signature can verify that the forwarding signature corresponds to the message,... | 01/03/2012 |
| 8037314 | Replacing blinded authentication authority A manufacturing entity provides a blinded signature to a secure device and associates a time with the blinded signature. If a signing key is compromised, the manufacturing entity provides a time of the compromise and the time associated with the blinded signature to... | 10/11/2011 |
| 8028171 | Signature apparatus, verifying apparatus, proving apparatus, encrypting apparatus, and decrypting apparatus Provided are a signature apparatus, a verifying apparatus, a proving apparatus, an encrypting apparatus, and a decrypting apparatus capable of efficiently reducing a signature text counterfeit problem to a discrete logarithm problem. The commitment is a hash value o... | 09/27/2011 |
| 8006095 | Configurable signature for authenticating data or program code System and method for authenticating data or program code via a configurable signature. Configuration information is retrieved from a protected first memory, e.g., an on-chip register, where the configuration information specifies a plurality of non-contiguous memor... | 08/23/2011 |
| 8001386 | Cooperative non-repudiated message exchange in a network environment A system and method of performing cooperative non-repudiated message exchange from a first system to a second system in a computer network comprises checking for discrepancies between a current system time in the second system with an actual time; performing a time ... | 08/16/2011 |
| 7971064 | Distributed Rivest Shamir Adleman signature method and signature generation node A distributed Rivest Shamir Adleman (RSA) signature generation method in an ad-hoc network and a signature generation node are provided, including steps for distributing key information to a plurality of nodes using an RSA parameter and a maximum distance separable ... | 06/28/2011 |
| 7966495 | Conserving file system with backup and validation Disclosed herein is a hierarchical data storage and retrieval system implemented using a computed statistically unique signature for the content of given computer data as its basis. The data storage and retrieval system can be used to catalog computer information fo... | 06/21/2011 |
| 7962753 | Method and a circuit for SHA operation with power saved A Secure Hash Algorithm (SHA) operation circuit includes plural storages for storing the variables of the SHA calculation, a permutation section for permuting the output signals of the storages, and an arithmetic unit for calculating a temporary value by the use of ... | 06/14/2011 |
| 7945784 | Method and system to perform secret sharing A method and a system is provided to process data. For example, the method and system may be used to store (e.g., archive) documents. In an embodiment, the method comprises receiving a quantum of data and creating n data pieces of size s from the quantum of data. Th... | 05/17/2011 |
| 7925886 | Encryption output data generation method and system A hashing method and system. The method comprises receiving by a computing system first source data. A first hash function is applied to first source data. A first hash output is generated by the first hash function as a result of applying the first hash function to... | 04/12/2011 |
| 7921296 | Generating and matching hashes of multimedia content Hashes are short summaries or signatures of data files which can be used to identify the file. The disclosed method generates robust hashes for multimedia content, for example, audio clips. The audio clip is divided into successive (preferably overlapping) frames. F... | 04/05/2011 |
| 7913088 | Digital signature and authentication method and apparatus A signing technique of a disclosed identification/digital signature method hereof uses a mixing system based on multiplication in a ring and reduction modulo an ideal q in that ring, while a disclosed verification technique uses special properties of products of ele... | 03/22/2011 |
| 7882359 | Method and system for user attestation-signatures with attributes The present invention discloses a method for generating and verifying a user attestation-signature value (DAA′) and issuing an attestation value (cert) for the generation of the user attestation-signature value (DAA′). Further, the invention is related to a syst... | 02/01/2011 |
| 7877610 | Hybrid signature scheme A signature scheme is provided in which a message is divided into a first portion which is hidden and is recovered during verification, and a second portion which is visible and is required as input to the verification algorithm. A first signature component is gener... | 01/25/2011 |
| 7822988 | Method and system for identity recognition In accordance with various aspects, the present invention relates to methods and systems for sending an identity information document comprising selecting identity information from a self-identity information store for inclusion in the identity information document.... | 10/26/2010 |
| 7809949 | Configuration of a computing device in a secure manner In accordance with a broad aspect, a method is provided to securely configure a computing device. A configuration indication is received into the computing device, including receiving a digital signature generated based on the configuration indication. Generation of... | 10/05/2010 |
| 7779262 | Security method using electronic signature A security method using an electronic signature, which improves the performance of an electronic signature authentication by generating and verifying an electronic signature using a mediator, and acquires a forward security in an electronic signature generation and ... | 08/17/2010 |
| 7774610 | Method and apparatus for verifiably migrating WORM data A file system in a storage system allows a user to designate data as write-once read-many (WORM) data. The WORM data are stored in a first set of storage media of the storage system. Signature data are generated from the WORM data. Using the signature data, the inte... | 08/10/2010 |
| 7747865 | Method and structure for challenge-response signatures and high-performance secure Diffie-Hellman protocols A method (and structure) of exchange between two parties interconnected by a device or network. A recipient party (verifier) chooses a secret value x for computing a value X=F1(x), where F1 comprises a first predetermined function having at least one argument, the v... | 06/29/2010 |
| 7730318 | Integration of high-assurance features into an application through application factoring Application factoring or partitioning is used to integrate secure features into a conventional application. An application's functionality is partitioned into two sets according to whether a given action does, or does not, involve the handling of sensitive data. Sep... | 06/01/2010 |
| 7730319 | Provisional signature schemes A method and apparatus for implementing portions of a provisional signature scheme are disclosed. In one embodiment, the method comprises creating a provisional signature by performing an operation on a message and completing the provisional signature to create a fi... | 06/01/2010 |
| 7716489 | Access control method for disconnected automation systems A security system for disconnected automation devices comprises a central access control authority that provides access regulations that are received by a portable unit. An analysis component that determines whether access should be provided to a disconnected system... | 05/11/2010 |
| 7707426 | Hashing byte streams into elements of the Shafarevich-Tate group of an abelian variety Systems and methods for cryptographically processing data as a function of a Cassels-Tate pairing are described. In one aspect, a Shafarevich-Tate group is generated from an abelian variety. A Cassels-Tate pairing is determined as a function of elements of the Shafa... | 04/27/2010 |
| 7707425 | Recognizer of content of digital signals Described herein is a technology for facilitating the recognition of the content of digital signals. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims. ... | 04/27/2010 |
| 7689828 | System and method for implementing digital signature using one time private keys The OTPK module 40 is essential to the present embodiment. It may be considered to be a software module implemented on the signing entity 20. The OTPK module 40 may be dynamically downloaded for use or implemented as a pre-installed client plug-... | 03/30/2010 |
| 7685429 | Signature-generation method, signature-verification method, public-key distribution method, and information-processing apparatus To generate and verify signature data using a known signature algorithm whose safety is ensured from the viewpoint of calculation quantity and ensuring the authenticity thereof over a long time period. A message to be signed is transmitted, a padding-data item is ad... | 03/23/2010 |
| 7640432 | Electronic cash controlled by non-homomorphic signatures A method and system for establishing and managing digital cash. This method is to emit and circulate secure electronic cash that allows to use non-homomorphic signature schemes, and avoids having to use blind signature techniques. With one specific embodiment, the m... | 12/29/2009 |
| 7594119 | System for managing time rights linked to a digital content A system for detecting the time exceeding conditions of at least one application being executed by a processor, including: an element for storing time conditions, the conditions being sorted by increasing deadline order; a register for storing the condition closest ... | 09/22/2009 |
| 7590854 | Hierarchical identity-based encryption and signature schemes A signature {Sig, {Qi}} is generated on a message M by a signer Et in a hierarchical system including the entities E0, E1, . . . , Et, each entity Ei (i>0) being a child of Ei−1. Here... | 09/15/2009 |
| 7587605 | Cryptographic pairing-based short signature generation and verification In at least one implementation, described herein, P and Q1, . . . , Qn are public points on an elliptic curve over a finite field, but the ratios of Qi to P are private. Those ratios are the components (α1, . . . , α | 09/08/2009 |
| 7584363 | Fair blind signature process In a fair blind signature process, a user interacts with a signer in order to complete a 7-tuple (A,e,s,t,xu,x,m) such that Ae=a0a1xa2ma3xua | 09/01/2009 |
| 7581109 | Delegation of electronic signature by multi-agent cryptography For signing of data by a given one of M delegates mandated by N titleholders, where M≧2 and N=1 or M=1 and N≧2, the terminal of the given delegate reads in a delegation server information on the delegates and the titleholders of the group thus constituted. The d... | 08/25/2009 |
| 7577844 | Systems and methods for encoding randomly distributed features in an object The described systems and methods described are directed at encoding randomly distributed features in an object. Randomly distributed features in an authentication object are determined. Data representing the randomly distributed features is compressed and encoded w... | 08/18/2009 |
| 7571324 | Method and device for anonymous signature with a shared private key A cryptographic method and apparatus for anonymously signing a message. Added to the anonymous signature is another signature which is calculated (operation 13) using a private key common to all the members of a group authorized to sign and unknown to all rev... | 08/04/2009 |
