Sagem Securite Patent applications |
Patent application number | Title | Published |
20110213972 | METHOD OF EXECUTING A CRYPTOGRAPHIC CALCULATION - A cryptographic calculation is executed in an electronic component, according to a cryptographic algorithm including at least one application of a one-way function which is disabled upon an intrusion into the electronic component. The one-way function is based on a first affine operation corresponding to a first secret key. The one-way function is applied, by obtaining ( | 09-01-2011 |
20100321481 | METHOD FOR PROCESSING AN IMPRINT IMAGE - A method for processing at least an imprint image of an individual using a processing device that comprises an exhibition glass sheet having a surface for receiving said imprint. The method includes acquiring without contact at least one image of the imprint present in the space upstream from the said surface and which has not yet been in contact with it and detecting the contact between the imprint and the exhibition glass sheet; acquiring by contact at least one image of the imprint after contact with the exhibition glass sheet; and standardizing at least one of the contact-less images in proportions that are identical to those of one of the contact images by analysing at least one of the contact-less images and at least one of the contact images. | 12-23-2010 |
20100287442 | Method for secure data transfer - A method of securely transferring data. The source data stored in a source memory (NV_MEM) is compared with the transferred data (COPY_ELT_X_V_MEM) that has been copied from the source memory (NV_MEM) into a “destination” memory (V_MEM). The method consists in reading from the source memory (NV_MEM) an integrity value (PI_ELT_X) associated with an element (ELEMENT_X_NV_MEM) such as file containing the source data, in calculating the integrity of a reconstituted element made up of the transferred data (COPY_ELT_X_V_MEM) associated, where appropriate, with the data of the source element (ELEMENT_X_NV_MEM) other than the data that was transferred, and in deciding that the transferred data (COPY_ELT_X_V_MEM) is identical to the source data when the integrity calculation gives a value identical to the integrity value of the source element (PI_ELT_X). The method applies to transferring data between components of a smart card. | 11-11-2010 |
20100254531 | Method of Coding a Secret Formed by a Numerical Value - A method of coding a secret, a numerical value | 10-07-2010 |
20100162072 | Processing of Biometric Data by Transformation - Biometric data relating to a biological part are processed by obtaining, on the one hand, a first set of transformed biometric data (f(B | 06-24-2010 |
20100034433 | Method of Validating a Biometric Capture, Notably a Body Print - The invention relates to a method for validating a biometrical acquisition, mainly the acquisition of a body imprint of a body area such as fingerprints or a face imprint, wherein the method involves together with the biometric acquisition: lighting the body area using at least one radiation having at least two respective different wavelengths between approximately 500 nm and 1150 nm; taking at least two reflectometry measurements concerning said and at least two wavelengths for measuring the reflection index of the tissues for these wavelengths; calculating the ratio for two measured indices; and comparing the ratio with a range of reference values characterizing a haemoglobin-containing living tissue in terms of proportions of oxygenated and non-oxygenated forms characteristic of the living states for the wavelengths in question; if the ratio is included in said range, the body area is considered as living and the biometrical acquisition is validated; and conversely, if the body area is considered as not living, the biometrical acquisition cannot be validated. | 02-11-2010 |
20100021016 | METHOD FOR IDENTIFYING A PERSON AND ACQUISITION DEVICE - A method for identifying a person ( | 01-28-2010 |
20100013915 | SYSTEM FOR TAKING IMAGES OF THE FACE OF AN INDIVIDUAL - The invention relates to a system ( | 01-21-2010 |
20100005256 | METHOD OF MANAGING A MEMORY INCLUDING ELEMENTS PROVIDED WITH IDENTITY INFORMATION INDICATIVE OF THE ANCESTRY OF SAID ELEMENTS - A method of managing a memory having stored elements that are organized in a hierarchy, each having a header containing individual identity information and a body containing data, the identity information of each element being encoded on a plurality of bits each of which can take a first value or a second value. The identity information of each element is obtained by repeating the identity information of an element constituting a direct antecedent of the element in question in the hierarchy, and in said identity information of the antecedent, by changing the value of a first value bit that follows the last second value bit in a direction for reading the identity information. | 01-07-2010 |
20090316906 | METHOD OF VERIFYING THE INTEGRITY OF AN ENCRYPTION KEY OBTAINED BY COMBINING KEY PARTS - The method of verifying the integrity of an encryption key (K) obtained by combining at least two key portions (KM, M) in a protected zone ( | 12-24-2009 |
20090274344 | METHOD OF INDENTIFYING AN INDIVIDUAL - A method of identifying an individual in which captured images are encrypted by a transformation function and superimposed over previously recorded encrypted images. The superimposition image thus formed is used for identity verification. If the verification is negative a looping step repeats the process until positive verification is achieved. | 11-05-2009 |
20090231096 | Processing Biometric Data in a Multidimensional Coordinate System - The invention concerns a biometric system provided with a set of reference biometric data (B′i) resulting from the application of a disjunction between a first set of biometric data (Bi) and a first encoded key (Ki), and from an information concerning the first key. A second set of biometric data (B | 09-17-2009 |
20090208070 | DEVICE FOR ACQUIRING IMAGES OF PATTERNS FORMED BY FURROWS IN THE SKIN OF FINGERS OR THE PALM OF THE HAND - A device for acquiring images of a print of at least a portion of a user's hand, the device comprising a stand defining an acquisition zone extending substantially in a plane, an optical acquisition member that is fastened to the stand to have a field of view covering the acquisition zone, and a processor unit connected to the acquisition member to process an image signal coming therefrom, wherein:
| 08-20-2009 |
20090161925 | Method for acquiring the shape of the iris of an eye - The invention concerns a method of acquiring the shape of the iris of an eye, comprising:
| 06-25-2009 |
20090128817 | Method of analyzing a presence in a space - A method of analyzing a presence in a space ( | 05-21-2009 |
20090128480 | Device for connecting an electronic unit to screens of different types without distinction, and a corresponding screen - The invention relates to a device for connecting an electronic unit ( | 05-21-2009 |
20090097715 | PROCEDURE FOR IDENTIFYING A PERSON BY EYELASH ANALYSIS - A procedure for identifying a person with a data acquisition device ( | 04-16-2009 |
20090033461 | Biometric Access Control Protection - An access control system ( | 02-05-2009 |