What is meet-in-the-middle attack
Explain what is meet-in-the-middle attack?
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Meet-in-the-middle attack was first explained in [DIFF77]. It is based upon the observation which says, if we have C=Ek2 [Ek1 [P]]
Then
X=Ek1 [P] =Dk2[C]
Provided a known pair, (P, C), attack proceeds as follows. First, encrypt P for all the 256 possible values of K1. Store these results within a table and then sort table through the values of X. Next, decrypt the C using all the 256 possible values of K2. Since every decryption is generated, check result against the table for the match. If a match happens, then test the two resulting keys against the new known plaintext-cipher text pair. If two keys generate the correct cipher text, accept them as correct keys.
SSID (Service set id): SSID is an identifier of the users of the network. SSID acts as a password and it is of 32 characters. The users in the particular network need to know the SSID. Since only users have the 32 SSID, the attackers cannot access the
Write an Idea for programming project to simulate a network attack or threat mechanism or a defense mechanism. Encipher message by using a keyword; Q : Key algorithms in S/MIME Specify the Specify the key algorithms which are used in the S/MIME?
Specify the key algorithms which are used in the S/MIME?
syntheses +20 paper +5 figures starting from introduction until conclusion
What are the types of attacks you think are addressed by message authentication? Why?
What is meant by the term S/MIME?
There are numerous components in a typical security policy. Explain three important components.
Explain the term Kerberos.
Explain the Key Expansion Algorithm.
Explain the key distribution center?
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