JavaScript is a(n) ____________________ language, in which the program code is executed directly without compiling each time it is run.

NIST has published FIPS PUB 186, which is known as the ___________.

Fill in the blank(s) with the appropriate word(s).

The digital signature approach uses an algorithm that is designed to provide only the _________ function.

A. digital signature B. ElGamal C. DSA D. timestamp