Secure time functionality for a wireless device
A technology of safe time and functions, applied in wireless communication, safety devices, safety communication devices, etc., can solve problems such as timing information hazards, wrong use, and no method to ensure time information
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[0125] CLAIMS 1. A wireless transmit / receive unit (WTRU) comprising a secure time component (STC).
[0126] 2. The WTRU as in embodiment 1, wherein the STC provides protection against tampering in hardware and software.
[0127] 3. A WTRU as in any one of the preceding embodiments wherein the STC is configured to measure time.
[0128] 4. The WTRU as in embodiment 3 wherein the STC uses a local real time clock (RTC) time measurement.
[0129] 5. A WTRU as in any one of the preceding embodiments wherein the STC is configured to synchronize with an external time reference.
[0130] 6. A WTRU as in any one of the preceding embodiments wherein the STC is configured to securely synchronize with an external time reference.
[0131] 7. A WTRU as in any one of the preceding embodiments wherein the STC is configured to time stamp data and software applications.
[0132] 8. A WTRU as in any preceding embodiment, further comprising a Subscriber Service Identity Module (USIM).
[0133...
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