Levels of Trust

• Trust Interaction

• • Carol (-/f)
  • Alice (u/u) Tom (-/f) Katy (-/-) Jeff (-/-)
  • Greg (f/f)
  • Sandra (-/f)
  • Example #1
  • A fully trusted key will introduce a fully validated key:
  • -Greg's key fully validates Tom's and Sandra's keys.
  • Examples taken in part from The GNU Privacy Handbook