Cryptography

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Across
  1. 4. Encrypting plaintext results in unreliable gibberish is called …
  2. 5. Ciphertext for the word “secret” using Ceasar’s cipher, where key is 3.
  3. 6. Ciphertext for the word “example” using Ceasar’s cipher, where key is 2.
  4. 8. The science of analyzing and breaking secure communication.
Down
  1. 1. The science of using mathematics to encrypt and decrypt data.
  2. 2. Type of cryptography, also called secret-key or symmetric-key encryption, in which one key is used both for encrypting and decrypting.
  3. 3. Pretty Good Privacy.
  4. 7. The science, that embraces both cryptography and cryptanalysis.
  5. 9. Public-key cryptosystem, named for its inventors: Ron Rivest, Adi Shamir and Leonard Adleman.
  6. 10. Data, that can be read and understood without any special measures.
  7. 11. PGP creates “… key” which is a one-time-only secret key.