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E-Commerce Security and Fundamentals

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Multiple Choice

Which of the following types of ciphers in cryptography are designed to take data blocks of a particular size to encrypt them with a key of particular size and yield a block of cipher text of a particular size?

  1. Stream ciphers
  2. Block ciphers
  3. Vernam ciphers
  4. Crypto algorithms
  5. Secret key algorithms
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