oft, Timing vulnerabilities with CBC-mode
  symmetric decryption using padding</a> </li>
  <li> <a href="https://en.wikipedia.org/wiki/Padding_oracle_attack">Wikipedia, Padding Oracle Attack</a> </li>
  <li> <a href="https://en.wikipedia.org/wiki/Chosen-ciphertext_attack">Wikipedia, Chosen-Ciphertext Attack</a> </li>
  <li> <a href="https://en.wikipedia.org/wiki/Chosen-plaintext_attack">Wikipedia, Chosen-Plaintext Attack</a> </li>
  <li> <a href="https://en.wikipedia.org/wiki/Semantic_security">Wikipedia, S