-The expenses required to decode is more than the value of the information that must be encrypted.-The time it takes to crack a code must be greater than the lifetime of the data.
- Costs that must be used to decrypt the encrypted data will be more than worth - the time it takes to decipher. Must be over the lifetime of the data.
- the expenses to be used in decoding must be greater than the value of the encrypted data - time used in the decoding. Must be greater than the lifetime of the data cable.