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Protection of secure elements coupled to nfc circuits

A security module and detection circuit technology, applied in electrical components, security devices, telephone communications, etc., can solve problems such as weak security of contactless card transactions

Active Publication Date: 2016-08-31
STMICROELECTRONICS (ROUSSET) SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Emulation of contactless cards in mobile telecommunication devices can create weak points in transaction security

Method used

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  • Protection of secure elements coupled to nfc circuits
  • Protection of secure elements coupled to nfc circuits
  • Protection of secure elements coupled to nfc circuits

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Embodiment Construction

[0027] In different drawings, the same elements are assigned the same reference numerals. For the sake of clarity, only those elements and steps that are useful for understanding the invention are shown and described. In particular, the coding and communication protocols for near-field transmission or for GSM mode communication are not specifically described, the invention being compatible with usual protocols. Further, the circuits constituting the mobile communication device are also not specifically described, and here the present invention is also compatible with common devices (as long as they are programmable).

[0028] figure 1 Such a mobile communication device (eg a cellular telephone) to which the invention applies is shown very diagrammatically as an example. The various interface elements to the user (eg, keypad, display, speakers, etc.) are not shown because these elements do not need to be modified when implementing the embodiments to be described below.

[00...

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PUM

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Abstract

The invention relates to the protection of a secure element coupled to an NFC circuit. A method and device are provided for securing a security module connected to a near field communication router in a telecommunication device, wherein communication between the router and the security module is only allowed if the router detects the presence of radio frequency communication streams transmission.

Description

technical field [0001] The present invention generally relates to transactions performed with mobile telecommunication devices of the cellular telephone type. The invention applies more particularly to such devices which are further equipped with near field communication circuitry (NFC). Background technique [0002] Cellular telephones are becoming more and more commonly equipped with near field communication interfaces which enable cellular telephones to combine electromagnetic transponder functionality with mobile telephone functionality. In particular, this adds the emulation of an electromagnetic transponder of the contactless or contactless reader type to mobile telecommunication devices, examples of which include personal digital assistants, cellular phones, smartphones and the like. This considerably enhances the features of the mobile device, which can then be used, for example, as an electronic wallet, access control or transport document validation device, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/00H04B5/00H04M1/72412H04W4/80
CPCG06Q20/3229H04M1/67H04M2250/04H04W4/80H04W12/06H04W12/08H04M1/72412G06Q20/3227
Inventor A·查尔斯
Owner STMICROELECTRONICS (ROUSSET) SAS