Application US20190332815

SECURE INITIAL PROVISIONING OF A SYSTEM ON A CHIP
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US20190332815

1. A method for securely provisioning a System on a Chip (SoC), the method comprising: (2) (5)

generating a public/private key pair having a public key and a private key;

securely storing the private key external to an SoC;

embedding the public key in Resistor Transistor Logic (RTL) of the SoC during manufacture of the SoC;

encrypting provisioning data using the private key to create encrypted provisioning data; and

programming the SoC using the encrypted provisioning data.

2. The method of claim 1, further comprising: (1) (3)

generating a secret shared key;

embedding the secret shared key in the RTL of the SoC during manufacture of the SoC; and

encrypting the provisioning data using the secret shared key.

3. The method of claim 2, further comprising: (0) (2)

4. The method of claim 1, wherein programming the SoC using the encrypted provisioning data includes transmitting the encrypted provisioning data to a security processor subsystem (SCS) of the SoC. (0)

5. A method for securely provisioning a System on a Chip (SoC), the method comprising: (3) (5)

generating a secret shared key;

securely storing the secret shared key external to an SoC;

embedding the secret shared key in Resistor Transistor Logic (RTL) of the SoC during manufacture of the SoC;

encrypting provisioning data using the secret shared key to create encrypted provisioning data; and

programming the SoC using the encrypted provisioning data.

6. The method of claim 5, further comprising: (0) (2)

7. The method of claim 5, wherein programming the SoC using the encrypted provisioning data includes transmitting the encrypted provisioning data to a security processor subsystem (SCS) of the SoC. (0)

8. The method of claim 5, wherein programming the SoC using the encrypted provisioning data includes transmitting the encrypted provisioning data to a safety processor subsystem (SMS) of the SoC. (0)

9. A method for securely provisioning a System on a Chip (SoC), the method comprising: (3) (3)

receiving, by an SoC, encrypted provisioning data;

accessing, by the SoC, a public key from Resistor Transistor Logic (RTL) of the SoC; and

decrypting the encrypted provisioning data using the public key to create decrypted provisioning data.

10. The method of claim 9, further comprising the SoC provisioning its operation using the decrypted provisioning data. (0)

11. The method of claim 9, further comprising: (1) (2)

accessing, by the SoC, a secret shared key from the RTL of the SoC; and

decrypting, by the SoC, the encrypted provisioning data further using the secret shared key.

12. The method of claim 11, further comprising: (0) (2)

13. The method of claim 9, wherein decrypting the encrypted provisioning data using the public key to create the decrypted provisioning data is performed by a security processor subsystem (SCS) of the SoC. (0)

14. A method for securely provisioning a System on a Chip (SoC), the method comprising: (3) (3)

receiving, by an SoC, encrypted provisioning data;

accessing, by the SoC, a secret shared key from Resistor Transistor Logic (RTL) of the SoC; and

decrypting the encrypted provisioning data using the secret shared key to create decrypted provisioning data.

15. The method of claim 14, further comprising the SoC provisioning its operation using the decrypted provisioning data. (0)

16. The method of claim 14, further comprising: (0) (2)

17. The method of claim 14, wherein decrypting the encrypted provisioning data using the secret shared key to create decrypted provisioning data is performed by a security processor subsystem (SCS) of the SoC. (0)

18. A System on a Chip (SoC) comprising: (2) (4)

a plurality of processors;

memory;

communication circuitry; and

a security processor subsystem (SCS), wherein the SCS is configured to: receive, via the communication circuitry, encrypted provisioning data;

access a public key from Resistor Transistor Logic (RTL) of the SoC; and

decrypt the encrypted provisioning data using the public key to create decrypted provisioning data.

19. The SoC of claim 18, wherein the at least one of the SCS and at least one of the plurality of processors are configured to provision the SoC using the decrypted provisioning data. (0)

20. The SoC of claim 18, wherein the SCS is further configured to: (0) (2)

21. A System on a Chip (SoC) comprising: (2) (4)

a plurality of processors;

memory;

communication circuitry; and

a security processor subsystem (SCS), wherein the SCS is configured to: receive, via the communication circuitry, encrypted provisioning data;

access a secret shared key from Resistor Transistor Logic (RTL) of the SoC; and

decrypt the encrypted provisioning data using the secret shared key to create decrypted provisioning data.

22. The SoC of claim 21, wherein the at least one of the SCS and at least one of the plurality of processors are configured to provision the SoC using the decrypted provisioning data. (0)

23. The SoC of claim 21, wherein the SCS is further configured to: (0) (2)

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Application US20190332815

SECURE INITIAL PROVISIONING OF A SYSTEM ON A CHIP

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