Levels of Trust

• Trust Interaction

• • Carol (-/f)
  • Alice (u/u) Tom (m/m) Katy (-/-) Jeff (-/-)
  • Greg (m/f)
  • Sandra (-/m)
  • Example #3
  • A marginally trusted key will introduce a marginally validated key:
  • -Greg's key marginally validates Tom's and Sandra's keys.
  • Tom's key is not fully validated, so it can't be used to validate other keys.
  • Examples taken in part from The GNU Privacy Handbook