Which encryption system is similar to Blowfish and work on 128-bit blocks and it has a complex key schedule? Cryptography Which encryption system is similar to Blowfish and work on 128-bit blocks and it has a complex key schedule? a. IDEA b. Blowfish c. One-Time Pads d. Twofish Answer: d. Twofish Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+