Cryptography

123456789
Across
  1. 4. The science of using mathematics to encrypt and decrypt data.
  2. 6. Type of cryptography, also called secret-key or symmetric-key encryption, in which one key is used both for encrypting and decrypting.
  3. 7. Pretty Good Privacy.
  4. 9. PGP creates “… key” which is a one-time-only secret key.
Down
  1. 1. Ciphertext for the word “example” using Ceasar’s cipher, where key is 2.
  2. 2. Ciphertext for the word “secret” using Ceasar’s cipher, where key is 3.
  3. 3. Encrypting plaintext results in unreliable gibberish is called …
  4. 4. The science of analyzing and breaking secure communication.
  5. 5. Data, that can be read and understood without any special measures.
  6. 6. The science, that embraces both cryptography and cryptanalysis.
  7. 8. Public-key cryptosystem, named for its inventors: Ron Rivest, Adi Shamir and Leonard Adleman.