The 3DES implements a block cipher with a variable block length and a key length of 128,192,or 256 bits.
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Q1: You cannot combine the XOR operation with
Q5: In 1917, Gilbert S. Vernam, an AT&T
Q8: Popular cryptosystems use a hybrid combination of
Q9: Common implementations of RA include systems that
Q9: When an asymmetric cryptographic process uses the
Q11: In 1953,Giovan Batista Belaso introduced the idea
Q14: The asymmetric encryption systems use a single
Q15: The permutation cipher simply rearranges the values
Q15: Sequence encryption is a series of encryptions
Q18: Hashing functions require the use of keys.
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