Cryptography Bundled Exam Questions and CORRECT Answers

What is TCP/IP? - Transmission Control Protocol/ Internet Protocol Symmetric encryption - Used to conceal the contents of blocks or stream of data of any size, including messages, files, encryption keys, and passwords Cryptographic algorithms can be grouped into what four main areas? - Symmetric...

Key stretching - A technique used to increase the computational effort required to derive keys from a password. Bcrypt - A cryptographic algorithm that generates hashes from passwords using the Blowfish cipher. PBKDF2 - A key derivation function that is part of the RSA public key cryptography ...

Asymmetric encryption1. Is the most common method used to conceal small blocks of data, such as encryption keys and hash function values, which are used in digital signatures encryption2. A common technique for masking contents of messages or other information traffic so that opponents cannot e...

Crypto Final Actual Exam Questions and CORRECT Answers Cipher and symmetric key encryption: Can we prove security of block ciphers already? - CORRECT ANSWER- no Cipher and symmetric key encryption: Define shift cipher - CORRECT ANSWER- A shift cipher can be defined like that: Enc(m) = m + k ...

Crypto Final UPDATED Actual Exam Questions and CORRECT Answers TRUE/FALSE: Prime numbers play a very small role in cryptography. - CORRECT ANSWER- False TRUE/FALSE: One of the useful features of the Chinese remainder theorem is that it provides a way to manipulate potentially very large numb...

Cryptography Final Actual Exam Questions and CORRECT Answers Keys used in an encryption, and the corresponding decryption functions must be the same - CORRECT ANSWER- False For a Shannon cipher(E,D) defined over (k,m,c), D(k, E(k,m))=m - CORRECT ANSWER- True Knowing that entropy is a measure...

Cryptography Final UPDATED Actual Exam Questions and CORRECT Answers Cryptology - CORRECT ANSWER- is the study of cryptanalysis and cryptography cryptanalysis is used - CORRECT ANSWER- to find some insecurity in a cryptography scheme CIA Triad - CORRECT ANSWER- Confidentiality, Integrity, Avai...