Multiple choice technology security BLOWFISH is Designed BY WHITFIELD DIFFE LEONARD ADLEMAN RON RIVEST BRUCE SCHIENER Reveal answer Fill a bubble to check yourself D Correct answer Explanation Blowfish is a symmetric-key block cipher designed by Bruce Schneier in 1993. It's known for its speed and effectiveness in encryption. Note that the correct spelling is 'Schneier', not 'Schiener' as shown in the option.