What is hash function
Explain the term hash function?
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Hash function accepts the variable size message M as the input and generates the fixed size hash code H (M) known as the message digest as output. It refers to the variation upon message authentication code.
Explain the term key Identifier?
Explain the term Caesar cipher.
Specify the kinds of cryptanalytic attacks.
Specify the four categories of security threats?
State the difference between end-to-end encryption and link?
Explain the term Wireless Antennas with significance?
Define: a) Mono-alphabetic cipher b) Playfair cipher c) Transposition cipher
Explain how the S-box is constructed?
What is Security in networks? Explain.
Explain some of the limitations of the SMTP/RFC 822?
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