Vernam Cipher Flashcards

1
Q

What is the only cipher proven to be unbreakable

A

Vernam cipher

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2
Q

What are the perfect conditions that need to be met

A
  1. Encryption key must be equal to or longer than the plaintext
  2. Key is truly random
  3. Key must be destroyed after use
  4. Key must be directly given in person
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3
Q

What are the steps of the vernam cipher

A
  1. Convert plaintext to binary values from the ASCII table
  2. Do same for the key
  3. Perform XOR to the binary values
  4. Convert new binary character using ASCII
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