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Proton World International N v patents


Recent patent applications related to Proton World International N v. Proton World International N v is listed as an Agent/Assignee. Note: Proton World International N v may have other listings under different names/spellings. We're not affiliated with Proton World International N v, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Proton World International N v-related inventors


Detection of the authenticity of an electronic circuit or of a product containing such a circuit

A method of authenticating a slave device. The method includes initializing, by a host device, a charge retention circuit of the slave device, and receiving, by the host device, an indication of a discharge time of the charge retention circuit. The host device authenticates the slave device based on the... Proton World International N v

Index management in a flash memory

A flash memory management method, wherein: the data to be stored are organized in logic blocks; the memory is divided into pages; and each page is divided into frames, each frame being capable of containing at least one data block and at least one first frame metadata block containing all... Proton World International N v

Authentication of a card by contactless reading

The invention relates to a method of authentication of a contactless communication circuit, PICC, by a contactless communication terminal, PCD. Within the PICC, a first number is generated by encryption of a second random number, and the first number is sent to the PCD. Within the PCD, a third number... Proton World International N v

Authentication of a card by contactless reading

The invention relates to a method of authentication of a contactless communication circuit, PICC, by a contactless communication terminal, PCD. Within the PCC, a first number is generated and without encryption, transmitted to the PCD. Within the PCD a second number is determined by decryption of the first number with... Proton World International N v

Secured execution of an algorithm

An algorithm execution method includes carrying out a first execution of the algorithm by a processing unit, sending at least one first result, which is to be written into a memory, to a memory management circuit, and storing said first result into a first area of the volatile memory. The... Proton World International N v

Storage in flash memory

A flash memory management method, including: the data to be stored are organized in logic blocks; the memory is divided into pages; each page is divided into frames, each frame being capable of containing at least one data block and at least two frame metadata words; each page comprises at... Proton World International N v

Counter in a flash memory

A method of storing at least one counter into a flash memory, wherein each page of the memory assigned to the storage of the counter(s) includes: header data including a first word intended to contain a number of the page, one word per counter to store a first value thereof,... Proton World International N v

Application selection in a mobile terminal

A contactless communication circuit (card) communicates with a proximity coupling device (reader). The card hosts at least two applications. The card initializes an identifier of a communication protocol to a first value. In response to a failure of a transaction with the reader, the card increments a counter. When the... Proton World International N v

Configuration of a transaction in a proximity circuit

A contactless communication circuit (card) communicates with a proximity coupling device (reader). The card hosts at least two applications. The card detects initialization of a first anticollision process by the reader and transmits two communication protocol identifiers in response to the detection of the first anticollision process. The communication protocol... Proton World International N v

Protection against rerouting a communication channel of a telecommunication device having an nfc circuit and a secure data circuit

A method and associated circuits protect data stored in a secure data circuit of a telecommunication device equipped with a near-field communication (NFC) router, a microcontroller, and the secure data circuit. In the method, each message received with the NFC router is parsed to retrieve a communication pipe identifier and... Proton World International N v

Flash memory counter

A method of updating a counter in a flash memory includes a first phase where a set of values capable of being taken by the counter are programmed in at least one page of the flash memory. A second phase of updating the counter programs a state zero in the... Proton World International N v

Control of applications in a mobile terminal

A method of controlling the execution of a payment application by a mobile terminal, in near field communication with a payment device. The method includes transmitting an application selection request to the payment device, and verifying the application identifier received from the payment device against a list of authorized applications.... Proton World International N v

Data storage in a flash memory

Data is stored in a non-volatile memory during an off-line transaction between a circuit containing memory and a terminal. A page of the memory is assigned to each transaction, and the data of each transaction is stored sequentially in the corresponding page. The page assigned to each transaction is locked... Proton World International N v

Storage in flash memory

A method of data storage in a non-volatile memory, wherein the non-volatile memory is divided into: a first region in which each page includes fields adapted to contain data and a field adapted to contain metadata; a second region in which each page includes fields adapted to contain data and... Proton World International N v

Nfc routing method

A near field communication (NFC) router of a mobile device receives a first message from an external NFC device and, in accordance with a first active rule, processes the first message as being targeted to a first host processing device of the mobile device. When the NFC router receives a... Proton World International N v

Secure starting of an electronic circuit

A method of checking the authenticity of the content of a non-volatile memory of an electronic device including a microcontroller and an embedded secure element includes starting the microcontroller with instructions stored in a first non-reprogrammable memory area associated with the microcontroller, starting the secure element, executing, with the secure... Proton World International N v

Controlled starting of an electronic circuit

A method of checking the authenticity of the content of a non-volatile memory of an electronic device including a microcontroller and an embedded secure element includes starting the microcontroller with instructions stored in a first non-reprogrammable memory area associated with the microcontroller, starting the secure element, executing, with the secure... Proton World International N v

Nfc device with multiple secure elements

An NFC device includes first and second secure elements, an NFC router, and a processor. A method involves emulating, by the NFC router in response to a command from the processing device, an RF card emulation transaction. The RF card emulation transaction includes transmitting by the NFC router a command... Proton World International N v

Bidirectional counter in a flash memory

A method of storing a counter in at least two non-volatile memory pages, including: a step of initializing a page with an initial value and then, on each update of the counter value, a step of storing an update value and an opcode associated with this value, selected from a... Proton World International N v

Detection of the authenticity of an electronic circuit or of a product containing such a circuit

A method of authenticating a slave device. The method includes initializing, by a host device, a charge retention circuit of the slave device, and receiving, by the host device, an indication of a discharge time of the charge retention circuit. The host device authenticates the slave device based on the... Proton World International N v








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