| 摘要 |
Handheld electronics devices, for example wireless subscriber units and smart cards, including a unique identification number (152) stored in the non-rewriteable memory (150), an encrypted unique identification number (162) stored in the non-volatile memory (160), the encrypted unique identification number is the unique identification number encrypted by a master encryption key. Methods for making, initializing and securely communicating with these devices are also disclosed. |
