Which of these statements are correct A ) ) The Kerckhoffs's principle states that cryptosystems should be
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Question:
Which of these statements are correct
A The Kerckhoffs's principle states that cryptosystems should be secure even when only the decryption key is kept secret.
B In cryptography using finite sets is not very common.
C A group is a set of elements G together with an operation which combines two elements of G having following properties: the group operation is closed and associative, there is a neutral element in the group and there is an inverse element in the group a group is abelian or commutative if for all elements of the group the operation combining two elements does not depend on the order of elements
D A stream cipher using a truly random key binary sequence is the unbreakable OneTime Pad cipher under a condition that each key stream bit is used only once, ie the key binary sequence is as long as the message binary sequence and is used only once
Related Book For
Forensic Accounting
ISBN: 978-0133050479
1st Edition
Authors: Robert Rufus, Laura Miller, William Hahn
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