Array ( [0] => Array ( [title] => L11AR [link] => https://www.youtube.com/embed/_j74NTz36r4 ) [1] => Array ( [title] => L11BR [link] => https://www.youtube.com/embed/5WrWWmthE4g ) [2] => Array ( [title] => L11CR [link] => https://www.youtube.com/embed/ldvQcSJWNCI ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第11講 Ch.4 Public-key cryptography (4)