Briefly describe how PGP (or GPG) works.
What will be an ideal response?
Both PGP and GPG use both public and private key cryptography. PGP/GPG generates a random private (symmetric) key and uses it to encrypt the message. The private key is then encrypted using the receiver's public key and sent along with the message. When the recipient gets the message, the PGP/GPG software first decrypts the private key with the private key that belongs to the recipient.The decrypted private key is then used to decrypt the rest of the message.
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Answer the following statements true (T) or false (F)
1) WPF controls are ‘lookless,’ meaning that their appearance can be set by any control template. 2) A routed command declared in the XAML changes a control’s appearance when that control enters a certain state. 3) Data members declared as readonly must be initialized in their declaration. 4) The ItemsSource property of a ListView must refer to the name of a DataTemplate element. 5) CollectionViewSource provides multiple “views” of the same data.
Many programming languages allow you to use ____ to force an expression to evaluate first.
A. a pound sign B. an asterisk C. parentheses D. quotation marks
You can move to the previous or next sheet by pressing the ____ keys.
A. Alt + Page Up or Alt + Page Down B. Ctrl + Page Up or Ctrl + Page Down C. Tab + Page Up or Tab + Page Down D. F4 + Page Up or F4 + Page Down
Regular expression symbols have opposite meanings when expressed in uppercase letters.
Answer the following statement true (T) or false (F)