Methods and systems for conveying encrypted data to a communication device
First Claim
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1. A smartphone case comprising:
- a smartphone-microphone inhibitor;
a communication interface comprising a plug of a particular type; and
a secure communication interface comprising;
a secure-interface microphone configured to detect ambient sound; and
a cryptographic module configured to generate encrypted audio data by encrypting audio data that is representative of ambient sound detected via the secure-interface microphone,wherein, when the smartphone case is disposed on a smartphone that has (i) a smartphone microphone and (ii) a wired-communication receptacle of the particular type;
the smartphone-microphone inhibitor of the smartphone case is positioned and configured to inhibit detection of ambient sound by the smartphone microphone of the smartphone; and
the plug of the smartphone case engages with the wired-communication receptacle of the smartphone such that the communication interface of the smartphone case is thereby configured to locally relay the encrypted audio data between the smartphone and the secure communication interface.
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Abstract
An embodiment takes the form of an accessory for attachment to a communication device, the accessory comprising a microphone disposed on the accessory to detect sound, a cryptographic module disposed on the accessory in communication with the microphone to generate encrypted audio data based on the detected sound, a communication interface disposed on the accessory in communication with the cryptographic module configured to convey the encrypted audio data to the communication device, and an audio-sensor inhibitor arranged to be positioned adjacent to a communication-device audio sensor.
94 Citations
19 Claims
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1. A smartphone case comprising:
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a smartphone-microphone inhibitor; a communication interface comprising a plug of a particular type; and a secure communication interface comprising; a secure-interface microphone configured to detect ambient sound; and a cryptographic module configured to generate encrypted audio data by encrypting audio data that is representative of ambient sound detected via the secure-interface microphone, wherein, when the smartphone case is disposed on a smartphone that has (i) a smartphone microphone and (ii) a wired-communication receptacle of the particular type; the smartphone-microphone inhibitor of the smartphone case is positioned and configured to inhibit detection of ambient sound by the smartphone microphone of the smartphone; and the plug of the smartphone case engages with the wired-communication receptacle of the smartphone such that the communication interface of the smartphone case is thereby configured to locally relay the encrypted audio data between the smartphone and the secure communication interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A smartphone case comprising:
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a smartphone-microphone inhibitor; and a communication interface comprising; a plug of a particular type; and a wireless-communication interface configured to receive wireless-communication data transmitted from an external accessory that comprises a secure communication interface, the wireless-communication data comprising encrypted audio data, wherein, when the smartphone case is disposed on a smartphone that has (i) a smartphone microphone and (ii) a wired-communication receptacle of the particular type; the smartphone-microphone inhibitor of the smartphone case is positioned and configured to inhibit detection of ambient sound by the smartphone microphone of the smartphone; and the plug of the smartphone case engages with the wired-communication receptacle of the smartphone such that the communication interface of the smartphone case is thereby configured to locally relay the encrypted audio between the smartphone and the secure communication interface of the external accessory. - View Dependent Claims (16, 17, 18, 19)
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Specification