____ is a symmetric block cipher designed in 1993 by Bruce Schneier as a fast, free alternative to existing encryption algorithms.
A) IDEA
B) AES
C) RC5
D) Blowfish

Question

Quizplus · Accepted Answer

The symmetric block cipher designed by Bruce Schneier as a fast, free alternative to existing encryption algorithms is Blowfish. The other options are not designed by Bruce Schneier. IDEA is a block cipher designed by Xuejia Lai and James L. Massey. AES is a symmetric block cipher chosen by the US government to protect classified information. RC5 is a symmetric key block cipher designed by Ron Rivest in 1994.

____ Is a Symmetric Block Cipher Designed in 1993 by Bruce