0 made so that you are able to see if anything has been changed, opened, removed, or damaged:
tamper-proof containers/locks/packaging Drug makers are encouraged to use tamper-proof packaging for their products.
1 impossible to change:
However, symmetric cryptosystems present a problem: how to transport the secret key from the sender to the recipient securely and in a tamper-proof way.
We must ensure that the system is as tamper-proof as possible.
The chipping procedures must be standard and must prove to be tamper-proof.
Those which fall directly within my area of responsibility are on the vehicle registration document and tamper-proof odometers respectively.
I have no plans to introduce additional legislation on tamper-proof seals.
A tamper-proof meter is built into the machine and records a monthly or quarterly leasing charge.
They are, indeed, tamper-proof, but they are not destruction-proof.
It is a good idea that tamper-proof odometers should be available.