Exam Question
Triple DES uses
- 1. 168 bit keys on 64-bit blocks of plain text
- 2. Working on 64-bit blocks of plain text and 56 bit keys by applying DES algorithm for three rounds
- 3. Works with 144 bit blocks of plain text and applies DES algorithm once
- 4. Uses 128 bit blocks of plain text and 112 bit keys and apply DES algorithm thrice
View Answer
Answer 2. Working on 64-bit blocks of plain text and 56 bit keys by applying DES algorithm for three rounds
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