If someone is inside of my house, and they are legally allowed to be there (i.e. I've invited them in), then I have zero problem with them using my outlets to charge their phone.
If someone is on the train, and they are legally allowed to be there (i.e. they have a valid ticket), then I have zero problem with them using the train's outlets to charge their phone.
If someone is in a government building, and they are legally allowed to be there, then I have zero problem with them using the building's outlets to charge their phone.
Police with a warrant can open doors, break chains, crack safes, pick locks, take your keys, or do pretty much anything else they want to do to get access to your private information.
Then let them break the encryption themselves, they shouldn't be allowed to force me to help them.
Simple:
When the card is inserted, the ATM asks for the card's public key
Then it's the card's turn to repeat the same process:
At this point, both the card and the ATM know that they are talking to the appropriate device. Each device can then generate a symmetrical key for that session, and encrypt it with the other device's public key, and use those keys for any further communication.
The TI-83+ had the added feature of "Archiving" software, which (I surmise) wrote it to ROM
How, exactly, would a calculator write something to ROM (i.e. Read-only memory)?
Life is a healthy respect for mother nature laced with greed.