When or is there ever a time that privacy rights that are strongly protected by cryptography are less important than investigations by law enforcement? Do you feel backdoors for law enforcement to get around cryptographic protections are necessary to keep the populous safe or is this just a "slippery slope"?

Choose one $1$ point

A permutation is the same as a substitution.$$

A permutation doesn't just substitute characters or numbers, but also reorders them.

A permutation is used to swap letters and cannot be used on numbers.

A permutation an algebraic function that is only used with symmetric encryption.$$

Choose one $1$ point

A permutation is the same as a substitution.$$

A permutation doesn't just substitute characters or numbers, but also reorders them.

A permutation is used to swap letters and cannot be used on numbers.

A permutation an algebraic function that is only used with symmetric encryption.