Review the excerpt from The Code Book.
Cryptanalysts realize that their real goal is to find a
way of cracking the RSA cipher, the cornerstone of
modern encryption...
Use the meaning of the underlined words above to
understand the sentence.
David's family was puzzled by the short and cryptic
note he left on the table.
What does cryptic mean?
O clear
Oplain
Obelievable
O mysterious