Method for changing an operating mode of a mobile device
First Claim
Patent Images
1. A method for changing an operating mode of a mobile device, the method comprising the steps of:
- receiving a request from a user of the mobile device to change from a first operating mode to a second operating mode,requesting a credential from the user in response to the received request,receive the credential from the user,validating the received credential,setting the second operating mode and setting an indication of the mobile device indicating that the second operating mode has been set, andafter the second operating mode has been set, prohibiting a reset of the indication indicating that the second operating mode has been set and refusing access to a hardware unique key stored on the mobile device.
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Abstract
A method for changing an operating mode of a mobile device is provided. According to the method, a request from the user of the mobile device to change from a first operating mode to a second operating mode is received. In response to the received request a credential is requested from the user. Next, the credential (RCK) is received from the user and validated. If the received credential (RCK) is valid, the second operating mode is set and an indication of the mobile device indicating that the second operating mode has been set is set. If the second operating mode has been set, a reset of the indication is prohibited.
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Citations
19 Claims
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1. A method for changing an operating mode of a mobile device, the method comprising the steps of:
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receiving a request from a user of the mobile device to change from a first operating mode to a second operating mode, requesting a credential from the user in response to the received request, receive the credential from the user, validating the received credential, setting the second operating mode and setting an indication of the mobile device indicating that the second operating mode has been set, and after the second operating mode has been set, prohibiting a reset of the indication indicating that the second operating mode has been set and refusing access to a hardware unique key stored on the mobile device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A mobile device, comprising:
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an input device for receiving input information from a user of the mobile device, an output device for outputting output information to the user, and a processing unit adapted to receive via the input device a request from the user to change from a first operating mode of the mobile device to a second operating mode of the mobile device, request a credential from the user in response to the received request, receive a credential from the user, validate the received credential, and if the received credential is valid, set the second operating mode, set an indication of the mobile device indicating that the second operating mode has been set, prohibit resetting the indication indicating that the second operating mode has been set, and refuse access to a hardware unique key stored on the mobile device. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for changing an operating mode of a mobile device, the method comprising:
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receiving a request from a user of the mobile device to change from a first operating mode to a second operating mode, requesting a credential from the user in response to the received request, receive the credential from the user, validating the received credential, setting the second operating mode and setting an indication of the mobile device indicating that the second operating mode has been set, wherein the indication relates to a section of a memory unit of the mobile device which has limited access, and wherein the setting the indication comprises storing the received credential in the section of the memory unit for the stored credential to serve as the indication, and after the second operating mode has been set, prohibiting a reset of the indication indicating that the second operating mode has been set and refusing access to a hardware unique key stored in the mobile device.
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19. A mobile device, comprising:
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an input device for receiving input information from a user of the mobile device, an output device for outputting output information to the user, and a processing unit adapted to; receive via the input device a request from the user to change from a first operating mode of the mobile device to a second operating mode of the mobile device, request a credential from the user in response to the received request, receive a credential from the user, validate the received credential, and if the received credential is valid; set the second operating mode, set an indication of the mobile device indicating that the second operating mode has been set, wherein the indication relates to a section of a memory unit of the mobile device which has limited access, and wherein setting the indication comprises storing the received credential in the section of the memory unit for the stored credential to serve as the indication, and after the second operating mode has been set, prohibit resetting the indication indicating that the second operating mode has been set and refuse access to a hardware unique key stored in the mobile device.
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Specification