# US 2019/0357044 A1 · Control method of secure module connected to a plurality of processors and electronic device for implementing the same

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- Number: US 2019/0357044 A1
- Document ID: US20190357044A1
- Status: Published application
- Kind: A1
- Application number: 16/414,556
- Filed: 2019-05-16
- Published: 2019-11-21
- Earliest claimed: 2018-05-17
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Jungsik PARK
- Web page: https://patentgrep.com/patent/US20190357044A1

## CPC

- H04W 12/06: Authentication
- G06F 13/4282: {on a serial bus, e.g. I2C bus, SPI bus (on daisy chain buses G06F13/4247)}
- G06F 21/77: in smart cards
- H04B 5/20: characterised by the transmission technique; characterised by the transmission medium
- H04L 63/0861: {using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231)}
- H04W 12/086: using security domains
- H04W 12/43: using shared identity modules, e.g. SIM sharing
- H04W 12/47: using near field communication [NFC] or radio frequency identification [RFID] modules
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

An electronic device is provided. The electronic device includes a first processor configured to perform communication with an external electronic device, a second processor configured to execute at least one application, and a secure module configured to include a first interface electrically connected with the first processor, a second interface electrically connected with the second processor, a memory storing subscriber information and biometric information, and a control circuit. The control circuit is configured to provide the subscriber information to the first processor through the first interface, based at least on a request received in connection with the communication from the first processor and provide the biometric information to the second processor through the second interface, based at least on a request received in connection with at least a portion of the at least one application from the second processor.

## Claims

### Claim 1

An electronic device, comprising:
a first processor configured to perform communication with an external electronic device;
a second processor configured to execute at least one application; and
a secure module configured to include a first interface electrically connected with the first processor, a second interface electrically connected with the second processor, a memory storing subscriber information and biometric information, and a control circuit,
wherein the control circuit is configured to:
provide the subscriber information to the first processor through the first interface, based at least on a request received in connection with the communication from the first processor, and
provide the biometric information to the second processor through the second interface, based at least on a request received in connection with at least a portion of the at least one application from the second processor.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein the memory comprises:
a first area for storing the subscriber information; and
a second area for storing the biometric information.

### Claim 3 (depends on 2)

The electronic device of claim 2, wherein the secure module is configured to store profile information for communicating with the external electronic device in the first area.

### Claim 4 (depends on 1)

The electronic device of claim 1, wherein the secure module comprises:
a third area where a first channel between a first area and the first processor and a second channel between a second area and the second processor are established.

### Claim 5 (depends on 1)

The electronic device of claim 1, wherein the memory comprises:
a first memory for storing the subscriber information; and
a second memory, independent of the first memory for storing the biometric information.

### Claim 6 (depends on 1)

The electronic device of claim 1, wherein the first interface comprises an international organization for standardization (ISO) interface.

### Claim 7 (depends on 1)

The electronic device of claim 1, wherein the second interface comprises a serial peripheral interface (SPI).

### Claim 8 (depends on 1)

The electronic device of claim 1, further comprising:
a near field communication (NFC) module,
wherein the control circuit is configured to provide the biometric information to the second processor using the NFC module.

### Claim 9 (depends on 1)

The electronic device of claim 1, wherein the electronic device is configured to:
provide state information associated with the secure module, and
further comprising:
a third interface electrically connected to at least one of the first processor and the second processor.

### Claim 10 (depends on 9)

The electronic device of claim 9, further comprising:
a radio interface layer (RIL) configured to electrically connect the first processor with the second processor.

### Claim 11 (depends on 10)

The electronic device of claim 10, wherein the third interface comprises a general purpose input output (GPIO) pin.

### Claim 12

A secure module, comprising:
a first interface electrically connected with a first processor;
a second interface electrically connected with a second processor;
a memory storing subscriber information and biometric information; and
a control circuit,
wherein the control circuit is configured to:
provide the subscriber information to the first processor through the first interface, based at least on a request of the first processor, and
provide the biometric information to the second processor through the second interface, based at least on a request of the second processor.

### Claim 13 (depends on 12)

The secure module of claim 12, wherein the memory comprises:
a first area for storing the subscriber information; and
a second area for storing the biometric information.

### Claim 14 (depends on 13)

The secure module of claim 13, further comprising:
a third area for providing one or more of the biometric information and the subscriber information to the first processor or the second processor during the same time interval.

### Claim 15 (depends on 12)

The secure module of claim 12, wherein the memory comprises:
a first memory for storing the subscriber information; and
a second memory, independent of the first memory, for storing the biometric information.

### Claim 16 (depends on 12)

The secure module of claim 12, wherein the first interface and the second interface conform to different protocols.

### Claim 17 (depends on 12)

The secure module of claim 12, wherein the first interface and the second interface are arranged in one chip.

### Claim 18 (depends on 12)

The secure module of claim 12, wherein the first interface comprises an International Organization for Standardization (ISO) interface.

### Claim 19 (depends on 18)

The secure module of claim 18, wherein the second interface comprises a serial peripheral interface (SPI).

### Claim 20

An electronic device, comprising:
a secure module configured to include a first interface, a second interface, and a memory storing subscriber information and biometric information;
a first processor configured to be electrically connected with the secure module through the first interface and perform communication with an external electronic device; and
a second processor configured to be electrically connected with the secure module through the second interface and execute at least one application,
wherein the first processor is configured to:
obtain a request associated with initialization of the secure module; and
refrain from performing initialization while the first processor uses the secure module, in response to the request, and perform initialization while the first processor does not use the secure module.