Levels of Trust

• Trust Interaction

• • Carol (n/f)
  • Alice (u/u) Tom (m/f) Katy (-/m) Jeff (-/-)
  • Greg (f/f)
  • Sandra (-/f)
  • Example #6
  • A fully trusted key will introduce a fully validated key:
  • -Greg's key fully validates Tom's and Sandra's keys.
  • A marginally trusted key will introduce a marginally validated key:
  • -Tom's key can now marginally validate Katy's key.
  • Examples taken in part from The GNU Privacy Handbook