What size key does a DES system use?Select one:a.128 bitb.64 bitc.56 bitd.256 bit

The DES Algorithm Cipher System consists of ____________rounds and has a key length of _____bits.

In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ____________a.Scaling of the existing bitsb.Addition of onesc. Duplication of the existing bitsd.Addition of zeros

What is the size of the int data type on a 64-bit machine?

Which of the following is(are) correct?Block length of 6464 bits and a key length of 5656 bits are the shortcomings of DES AES block cipher is not proven to be secure against computational adversaryA 11-bit change to a DES S-box input ensures at most 11-bit change in the outputAES block cipher has a 128128-bit block length and uses a 128128-bit key

What is the size of the int data type on a 64-bit machine?4 bytes1 byte8 bytes2 bytesI don't knowSubmit