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| Number | Title | Issue Date |
| 7471791 | Method for countermeasure in an electronic component using a secret key algorithm A countermeasure method in an electronic component using a secret key algorithm K on an input message M executes an operation OPN(D) on input data D. A random value, of one first random information U, is generated that is of identical size as the input in... | 12/30/2008 |
| 7458665 | Machine fluid supply assembly comprising keying means The invention relates to a fluid supply assembly for a device, particularly a printing machine. The assembly includes a lower base and is of the type in which the fluid is conditioned in an upper container which is intended to be connected to a fill opening in the b... | 12/02/2008 |
| 7448914 | Adapter for electrically connecting a miniature integrated circuit card in a memory card connector An adapter electrically connects an integrated circuit mini-card in a main electronic integrated circuit memory card connector having greater space requirement than the mini-card. The mini-card has surface contact strips and the adapter includes a main body capable ... | 11/11/2008 |
| 7434250 | Dynamic management of access rights lists in a portable electronic object Access rights lists, such as capacity or access control lists, are dynamically managed in a data processing element such as a smart card from an administrator server. To access an access rights list from the server, the list is signed in the server so that a signatu... | 10/07/2008 |
| 7434070 | Secret code security access to data processing means Access control to data processing means, such as a smart card, is made secure by simulating a comparison block by block of part of a secret code with part of a presented code through a block-by-block comparison of part of the presented code and part of a determined ... | 10/07/2008 |
| 7434049 | Method for making secure a session with data processing means under the control of several entities A method for securing the execution of a session with a data processor, such as a smart card, under the control of at least two entities, such as servers. Session numbers and session keys are transmitted to the entities. The session number and key are applied to an ... | 10/07/2008 |
| 7433905 | Device and method for processing digital values in particular in non-adjacent form A table establishes correspondence between first sets of at least one number, expressed in accordance with a signed code where each number may have the value of 0, 1 or −1, and second sets of at least one number, expressed according to a simple form where each num... | 10/07/2008 |
| 7433501 | Biometric identification method and device adapted to verification on chip cards A method and associated device for checking a biometric signature by a simple and secure calculation adapted to personal objects of the chip card type. The method is based on the storage within the object of an obscured biometric signature and an associated authenti... | 10/07/2008 |
| 7424114 | Method for enhancing security of public key encryption schemas There exist numerous public key probabilistic encryption algorithms. Most of these algorithms do not have a maximum security level against someone capable of chosen ciphertext attacks. The disclosed method provides a construct to enhance the security of any public k... | 09/09/2008 |
| 7409044 | Emergency call system and device An emergency call system includes an emergency call device capable of accessing at least a wireless telecommunication network by means of a communication apparatus. A server processes the emergency call coming from an emergency call device via the communication appa... | 08/05/2008 |
| 7406332 | Radiotelephone terminal with chip card provided with browser This invention improves the intelligence of chip cards (SIM) in mobile radiotelephone terminals, so that a subscriber may, through the terminal, easily access databases (DB), attached to a server of services (SV). It facilitates the dialog between a subscriber who o... | 07/29/2008 |
| 7387258 | Application deployment from a smart card The invention concerns a method for deploying an application consisting of several distributed remote elements, from a first data processing means containing descriptors of said elements, onto a second data processing means connected to the means for implanting said... | 06/17/2008 |
| RE40378 | Smart card which operates with the USB protocol A smart card that is compatible with the USB protocol and may be compatible with multiple different protocols includes a standard set of contacts that comply with the protocols of a published standard. Another contact, not designated by the standard, may be added an... | 06/10/2008 |
| 7386123 | Method of implementing in an electronic component a cryptographic algorithm for finding the public exponent The invention concerns a method for implementing in an electronic component a cryptographic algorithm using calculating means. The invention is characterized in that it consists in carrying out the following steps: a) selecting a value e among a specific number of v... | 06/10/2008 |
| 7384000 | Durable plastic mini card and method for testing its durability A mini card has a size smaller than a card that conforms to established standards, and includes a hole for attachment to a key ring or other external device. Increased durability is provided by means of a substrate that includes a core made of PVC material, sandwich... | 06/10/2008 |
| 7376844 | Countermeasure method for a microcontroller based on a pipeline architecture A countermeasure method for a microcontroller that executes sequences of instructions. The instructions are executed according to a pipeline method. At least one waiting time is randomly introduced between two consecutive instructions and/or within at least one inst... | 05/20/2008 |
| 7374107 | Method of manufacturing a contactless card A method for producing a contactless card having a support for the functional elements of the card. The support is provided with lower and upper covering layers, and the functional elements borne thereon are formed by means of extrusion, directly in contact with the... | 05/20/2008 |
| 7370201 | Secure identification method between two radiofrequency network appliances In a radiofrequency network, such as a Bluetooth network, two devices are securely identified to one another for a communication session. One of the devices is designated as a master apparatus, and the other is a slave apparatus. An automatic identification process ... | 05/06/2008 |
| 7360247 | Method for protection against fraudulent modification of data sent to a secure electronic medium A method for protection against modification of data sent by a user to a secure medium via a reader selects and stores some of the data. Confirmation of the authenticity of the selected data is obtained by verifying whether they are identical to those input on reque... | 04/15/2008 |
| 7359508 | Method of securely implementing a cryptography algorithm of the RSA type, and a corresponding component A method for the secure application of a cryptographic algorithm of the RSA type in an electronic component obtains the value of a public exponent e from a given set of probable values, without a priori knowledge of that value. Having determined the value for the pu... | 04/15/2008 |
| 7340599 | Method for protection against fraud in a network by icon selection To improve security of operations in a communication network such as Internet, a database containing a plurality of icons is stored in the installation program of a browser. When executing the installation program, an icon in the icon database is selected. The selec... | 03/04/2008 |
| 7337974 | Inductive coupling exchange in a portable intelligent object with central and peripheral circuits A portable intelligent object has first and second communication interfaces with a station. The first communication interface can send and/or receive data by means of inductive coupling with the station. The object also has an integrated peripheral circuit. All of t... | 03/04/2008 |
| 7289959 | Biometric identification method, portable electronic device and electronic device acquiring biometric data therefor A biometric identification method includes the steps of acquiring biometric data, analysing the data to produce a current signature, and comparing the current signature with a reference signature. To this process is added the further step of verifying the origin of ... | 10/30/2007 |
| 7286666 | Countermeasure method in an electric component implementing an elliptical curve type public key cryptography algorithm A countermeasure method in an electronic component implementing an elliptical curve based public key cryptography algorithm. A new decryption integer d′ is calculated such that the decryption of an encrypted message on the basis of a private key d and the number o... | 10/23/2007 |
| 7286041 | Maintenance of an anticollision channel in an electronic identification system Transponders in a system execute commands issued by an interrogator. The interrogator sends out interrogation signals, and a transponder answers with a start signal. The interrogator then modifies its interrogation signal and this causes the answering transponder to... | 10/23/2007 |
| 7284812 | Colour ink-jet printing method with optimized number of deposited droplets and corresponding printer A a color ink-jet printer has at least four ink cartridges each containing one basic color selected from among yellow, magenta, cyan and black, and at least one additional cartridge containing a basic pale color ink. A processor receives a printing order containing ... | 10/23/2007 |
| 7275681 | Method and device for processing data for customizing an application of a portable communication device, for example a smart card The customization or initialization of the application, for example in a programmable smart card, uses minimum integrated code. A device for preparing customizing or initializing data to be transmitted to the card creates a concatenation of information elements in r... | 10/02/2007 |
| 7264327 | Pressure regulation by transfer of a calibrated gas volume Pressure regulation in a liquid reservoir such as an ink of a jet printing head, is obtained by transferring a calibrated gas volume through an auxiliary reservoir, said regulation is being applied to installations manufacturing intelligent portable objects and more... | 09/04/2007 |
| 7246375 | Method for managing a secure terminal The invention concerns a method solving security problems resulting from the addition of a security circuit to a smart card reading terminal by providing said security circuit with means for counting the number of times the security circuit is activated for certain ... | 07/17/2007 |
| 7222783 | Secure transfer of data between two smart cards A device external to a terminal transmits a specific application identifier and an encrypted first key and number to a first chip card in service in the terminal. In the first card, if the decrypted first number satisfies a first condition, the specific application ... | 05/29/2007 |
| 7218735 | Cryptography method on elliptic curves A cryptography method for generating probabilistic digital signatures and/or for a key-exchange a protocol and/or for an encryption algorithm is based on the use of a public key algorithm on abnormal binary elliptic curve, such as a Koblitz curve. A point P (x, y) i... | 05/15/2007 |
| 7206408 | Countermeasure method in an electronic component using a dynamic secret key cryptographic algorithm A countermeasure method in a first electronic component communicating with a second electronic component uses a secret key K[0] cryptographic algorithm A of size k. The countermeasure implementation employs a systematic and regular evolution of K[i] by a function K[... | 04/17/2007 |
| 7204427 | Method for making contactless cards A method for producing contact-free chip card includes embedding metallized bumps of the chip into an antenna as the chip is mounted on the antenna. ... | 04/17/2007 |
| 7191234 | Deployment of smart card based applications via mobile terminals The ability to utilize smart card based Internet applications is facilitated by enhancing the functionality of smart cards dedicated to other applications, to enable them to connect to and interoperate with Internet application servers. The functionality of subscrib... | 03/13/2007 |
| 7183636 | Adapter for a chip card having a reduced format in comparison with the standard SIM mini-card format An adapter for a portable integrated circuit device of the chip card variety has a reduced format in comparison with the standard mini-card format. The device with a reduced format includes a body on which a microcircuit defining contact pads is disposed. A support ... | 02/27/2007 |
| 7174016 | Modular exponentiation algorithm in an electronic component using a public key encryption algorithm The present invention concerns an anti-SPA modular exponentiation algorithm in an electronic component using a public key ciphering algorithm. A pair of registers and an indicator are used to provide symmetrical processing of bits in the algorithm, so that the value... | 02/06/2007 |
| 7168625 | Making secure downloaded application in particular in a smart card The invention concerns a method for differentiating between data and instructions thereby providing against certain attacks in a data processing device such as a smart card, whereby a generator associates a random number with an applicative component of a downloaded... | 01/30/2007 |
| 7168065 | Method for monitoring program flow to verify execution of proper instructions by a processor In a method for monitoring the flow of execution of a series of instructions of a computer program, a sequence of instructions are transmitted to the processor to execute the monitored program. These instructions are analyzed, and the result of the analysis are veri... | 01/23/2007 |
| 7162033 | Countermeasure procedures in an electronic component implementing an elliptical curve type public key encryption algorithm Elliptical curve based cryptographic algorithms are public key algorithms offering a shorter calculation time and smaller key sizes in comparison with RSA. In a smart card type environment, these algorithms are vulnerable to differential power analysis (DPA) attacks... | 01/09/2007 |
| 7149763 | Method for generating a random prime number within a predetermined interval A random prime number is generated within a predetermined interval by precalculating and storing a single value that functions as a universal parameter for generating prime numbers of any desired size. The value, π, is chosen as a product of k prime numbers. A numb... | 12/12/2006 |
