CompTIA
HIT-001 · Question #488
HIT-001 Question #488: Real Exam Question with Answer & Explanation
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Question
Data Encryption Standard (DES) is a 64 bit block cipher. Which of the following statements are true about Data Encryption Standard? Each correct answer represents a complete solution. Choose all that apply.
Options
- AAll DES modes function on 64 bits of plaintext at a time in order to generate 64-bit blocks of cipher
- BDES is a secure hash function for 8 bit processors.
- CDES includes four modes of operation. Electronic Codebook mode, Cipher Block Chaining mode,
- DDES uses the 56 bit long key.
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