| US 7,457,953 B2 | ||
| Method and apparatus to provide secure communication | ||
| Carl L. First, Folsom, Calif. (US); and Jesse R. Walker, Portland, Oreg. (US) | ||
| Assigned to Intel Corporation, Santa Clara, Calif. (US) | ||
| Filed on Dec. 18, 2003, as Appl. No. 10/742,385. | ||
| Prior Publication US 2005/0138377 A1, Jun. 23, 2005 | ||
| Int. Cl. H04L 9/32 (2006.01) | ||
| U.S. Cl. 713—169 [726/5] | 9 Claims |

| 1. A method, comprising:
determining a first encryption key to use in communicating with a wireless device;
using the first encryption key to wirelessly communicate with the wireless device;
determining a second encryption key to use in communicating with the wireless device;
entering a low power mode subsequent to said determining the first and second encryption keys;
awakening from the low power mode subsequent to said entering; and
determining a third encryption key to communicate with the wireless device subsequent to the awakening if the awakening is
in response to a user-initiated action, and otherwise using the second encryption key to communicate with the wireless device
subsequent to the awakening.
|