Multiple choice technology security

When was the Symmetric Block Cipher Designed

  1. 1991

  2. 1989

  3. 1995

  4. 1993
Reveal answer Fill a bubble to check yourself
D Correct answer
AI explanation

The Blowfish symmetric block cipher was designed by Bruce Schneier in 1993 as a fast, free alternative to DES. It uses a 64-bit block size with a variable-length key and became widely adopted before being superseded in many uses by AES and Twofish.

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