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The DES algorithm has a key length of

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in Cryptograph & Network Security by (60.1k points)
The DES algorithm has a key length of

(a) 128 Bits

(b) 32 Bits

(c) 64 Bits

(d) 16 Bits

The question was posed to me in my homework.

My question comes from The Data Encryption Standard (DES) and It’s Strength in portion Block Ciphers and the Data Encryption Standard of Cryptograph & Network Security

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Best answer
Right option is (c) 64 Bits

To explain: DES encrypts blocks of 64 bits using a 64 bit key.

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