Cryptology and Secret Writing

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Questions and Answers

What is the main difference between a steganogram and a cryptogram?

  • A steganogram is used for confidential communications, while a cryptogram is used for public messages.
  • A steganogram is used for encoding, while a cryptogram is used for decoding.
  • A steganogram is a type of cipher, while a cryptogram is a type of code.
  • A steganogram conceals the text itself, while a cryptogram conceals only the meaning. (correct)

What is the term for the science of preparing and analyzing ciphers and codes?

  • Codebreaking
  • Cryptology (correct)
  • Cryptanalysis
  • Cryptography

What is the primary concern of cryptography?

  • Creating new codes and ciphers
  • Solving cryptograms without a key
  • Encoding or writing plaintext
  • Deciphering or decoding confidential communications (correct)

What is the primary difference between a ciphertext and a codetext?

<p>Ciphertext uses symbols related to units of the plaintext, while codetext uses symbols that stand for units of different length. (C)</p> Signup and view all the answers

What is the term for the process of converting a cryptogram into plaintext?

<p>Deciphering (D)</p> Signup and view all the answers

What is the purpose of a steganogram?

<p>To conceal the existence of a message. (A)</p> Signup and view all the answers

Why is cryptography important in modern technology?

<p>It helps secure data communications between computers (D)</p> Signup and view all the answers

What are the two basic methods of producing ciphers?

<p>Substitution and transposition. (C)</p> Signup and view all the answers

What is an anagram an example of?

<p>A type of transposition cipher. (D)</p> Signup and view all the answers

What is the purpose of a key in cryptography?

<p>To act as a variable in a cipher system. (B)</p> Signup and view all the answers

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