Apparatus and method for virtual pairing using an existing wireless connection key

1. A method for virtual pairing of a first peer device with a second peer device, comprising:

generating a nonce at the first peer device for use in virtually pairing the first and second peer devices to establish a first-type wireless connection having a first-type protocol;

forwarding the nonce from the first peer device to the second peer device over an existing second-type wireless connection between the first and second peer devices;

generating at least one new link key for the first-type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

virtually pairing the first peer device with the second peer device using the at least one new link key to establish the first-type wireless connection between the first and second peer devices.

2. A method for virtual pairing as defined in claim 1 , wherein the first-type wireless connection is a high-speed connection, and the second-type wireless connection is a low-power connection.

3. A method for virtual pairing as defined in claim 1 , wherein the first-type wireless connection and the second-type wireless connection correspond to different ones of a wireless body area network, a wireless local area network, a wireless personal area network, or a wireless wide area network.

4. A method for virtual pairing as defined in claim 1 , wherein the new link key for establishing the first-type wireless connection is formed in accordance with the following equation: new first-type wireless connection link key=kdf(second-type wireless connection shared link key∥nonce), where kdf is a key derivation function.

5. A method for virtual pairing as defined in claim 1 , wherein the first-type wireless connection is a secure connection, and the second-type wireless connection is a secure connection.

6. A method for virtual pairing as defined in claim 1 , wherein the virtually pairing to establish the first-type wireless connection is performed when the second-type wireless connection is experiencing interference exceeding a predetermined threshold.

7. Apparatus for virtual pairing with a peer device, comprising:

means for generating a nonce for use in virtually pairing the apparatus with the peer device to establish a first-type wireless connection having a first-type protocol;

means for forwarding the nonce to the peer device over an existing second-type wireless connection between the apparatus and the peer device;

means for generating at least one new link key for the first-type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

means for virtually pairing the apparatus with the peer device using the at least one new link key to establish the first-type wireless connection between the apparatus and the peer device.

8. Apparatus for virtual pairing as defined in claim 7 , wherein the first-type wireless connection is a high-speed connection, and the second-type wireless connection is a low-power connection.

9. Apparatus for virtual pairing as defined in claim 7 , wherein the first-type wireless connection and the second-type wireless connection correspond to two of a wireless body area network, a wireless local area network, a wireless personal area network, or a wireless wide area network.

10. Apparatus for virtual pairing as defined in claim 9 , wherein the new link key for establishing the first-type wireless connection is formed in accordance with the following equation: new first-type wireless connection key=kdf(second-type wireless connection shared link key∥nonce), where kdf is a key derivation function.

11. Apparatus for virtual pairing as defined in claim 7 , wherein the first-type wireless connection is a secure connection, and the second-type wireless connection is a secure connection.

12. Apparatus for virtual pairing as defined in claim 7 , wherein the virtually pairing to establish the first-type wireless connection is performed when the second-type wireless connection is experiencing interference exceeding a predetermined threshold.

13. A computer program product, comprising: a non-transitory computer readable medium, comprising:

code for causing a computer to generate a nonce for use in virtually pairing with a peer device to establish a first-type wireless connection having a first-type protocol;

code for causing a computer to forward the nonce to the peer device over an existing second-type wireless connection with the peer device;

code for causing a computer to generate at least one new link key for the first-type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

code for causing a computer to virtually pair with the peer device using the at least one new link key to establish the first-type wireless connection with peer device.

14. A computer program product as defined in claim 13 , wherein the first-type wireless connection is a high-speed connection, and the second-type wireless connection is a low-power connection.

15. A computer program product as defined in claim 13 , wherein the first-type wireless connection, and the second-type wireless connection correspond to different ones of a wireless body area network, a wireless local area network, a wireless personal area network, or a wireless wide area network.

16. A computer program product as defined in claim 13 , wherein the new link key for establishing the first-type wireless connection is formed in accordance with the following equation: new first-type wireless connection link key=kdf(second-type wireless connection shared link key∥nonce), where kdf is a key derivation function.

17. A computer program product as defined in claim 13 , wherein the first-type wireless connection is a secure connection, and the second-type wireless connection is a secure connection.

18. A computer program product as defined in claim 13 , wherein the virtually pairing to establish the first-type wireless connection is performed when the second-type wireless connection is experiencing interference exceeding a predetermined threshold.

19. A watch, comprising:

means for generating a nonce for use in virtually pairing the watch with a peer device to establish a first-type wireless connection having a first-type protocol;

means for forwarding the nonce to the peer device over an existing second-type wireless connection between the watch and the peer device;

means for generating at least one new link key for the first type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

means for virtually pairing the watch with the peer device using the at least one new link key to establish the first-type wireless connection between the watch and the peer device.

20. A headset, comprising:

means for generating a nonce for use in virtually pairing the headset with a peer device to establish a first-type wireless connection having a first-type protocol;

means for forwarding the nonce to the peer device over an existing second-type wireless connection between the headset and the peer device;

means for generating at least one new link key for the first type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

means for virtually pairing the headset with the peer device using the at least one new link key to establish the first-type wireless connection between the headset and the peer device.

21. A sensing device, comprising:

means for generating a nonce for use in virtually pairing the sensing device with a peer device to establish a first-type wireless connection having a first-type protocol;

means for forwarding the nonce to the peer device over an existing second-type wireless connection between the sensing device and the peer device;

means for generating at least one new link key for the first type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

means for virtually pairing the sensing device with the peer device using the at least one new link key to establish the first-type wireless connection between the sensing device and the peer device.

22. Apparatus for virtual pairing with a peer device, comprising:

a processor configured to:

generate a nonce for use in virtually pairing the apparatus with the peer device to establish a first-type wireless connection having a first-type protocol;

forward the nonce to the peer device over an existing second-type wireless connection between the apparatus and the peer device;

generate at least one new link key for the first type wireless connection from the nonce and a shared key for the existing second-type wireless connection using security delegation wherein security delegation comprises using device authentication from the existing second-type wireless connection without exchanging generation information for the at least one new link key according to the first-type protocol of the first-type wireless connection; and

virtually pair the apparatus with tie peer device using the at least one new link key to establish the first-type wireless connection between the apparatus and the peer device; and

a memory coupled to the processor for storing data.