Most public key cryptographic algorithms are based on one-way functions. Which of the following best describes RSAs one-way function?
A.
The easy direction is multiplying two numbers, and the difficult direction is factoring a large number into its original prime numbers.
B.
The easy direction is factoring a large number, and the difficult direction is to multiply two numbers until a prime number is created.
C.
The easy direction is calculating logarithms in a finite field, and the difficult direction is factoring a large number into its original prime number.
D.
The easy direction is calculating logarithms in a finite field, and the difficult direction is multiplying numbers until a prime number is created.
Answer A
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Closest correct answer would be “A”