Question

In SHA-512, the registers ‘a’ to ‘h’ are obtained by taking the first 64 bits of the fractional parts of the cube roots of the first 8 prime numbers.

(a) True

(b) False

The question was asked during an interview for a job.

Question is taken from Secure Hash Algorithms (SHA) in division Other Public Key Cryptosystems and Cryptographic Hash Functions of Cryptograph & Network Security

Answer 1

The correct choice is (b) False

To explain: The registers ‘a’ to ‘h’ are obtained by taking the first 64 bits of the fractional parts of the square roots of the first 8 prime numbers.