Encryption - Crypto 101

Prompts and answers

• Are SSH keys protected with a passphrase or a password?
  passphrase
• What does SSH stand for?
  Secure Shell
• How do webservers prove their identity?
  certificates
• What is the main set of standards you need to comply with if you store or process payment card details?
  PCI-DSS
• What's 30 % 5?
  0
• What's 25 % 7
  4
• What's 118613842 % 9091
  3565
• Should you trust DES? Yea/Nay
  Nay
• What was the result of the attempt to make DES more secure so that it could be used for longer?
  Triple DES
• Is it ok to share your public key? Yea/Nay
  Yea
• p = 4391, q = 6659. What is n?
  29239669
• What can you use to verify that a file has not been modified and is the authentic file as the author intended?
  Digital Signature
• What algorithm does the key use?
  RSA
• Crack the password with John The Ripper and rockyou, what's the passphrase for the key?
  delicious
• You have the private key, and a file encrypted with the public key. Decrypt the file. What's the secret word?
  Pineapple