$.$ Which of the following statements on computational complexity theory foundations are correct

A$)$ Symbolic execution will be more effctive in larger software

B$)$ In modern mobile device the main operating system is run in the secure enclave

C$)$ If the attacker would be able to steal the mobile devices manufacturer's private key, he would be also able to overcome secure boot measures for updating operating system and could install tampered OS to break security measures of the device.

D$)$ Finding expliot in general easier than finding Bugs

$.$ Which of the following statements on computational complexity theory foundations are correct

A$)$ in android system mobile applications usually share a uid $($user id$).$

B$)$ An important threat model for mobile device is that attackers steals it and wants to read the data stored on it$,$ which the mobile the mobile device can be secure at just one assumption, that it is password protected

C$)$ In a modern Mobile device application are run in the secure enclave

D$)$ In modern mobile device architecture the main CPU has direct access to the data encryption key, which are use to encrypt data stored in the flash chip.

A$)$ In andriod there is no need to protect the payload of the intent, which is a message of protocol to share resource.

B$)$ Secure enclave of mobile device should manage all keys

C$)$ A Scipt HTML tag is not subject to SOP

D$)$ The mobile device Unique identification number in modern mobile architecture does not need to be stored in the ROM of the secure enclave