Levels of Trust

• Trust Interaction

• • Carol (m/f)
  • Alice (u/u) Tom (-/f) Katy (-/-) Jeff (-/-)
  • Greg (m/f)
  • Sandra (-/m)
  • Example #2
  • Two marginally trusted keys will introduce a fully validated key:
  • -Carol's and Greg's keys fully validate Tom's key.
  • A marginally trusted key will introduce a marginally validated key:
  • -Greg's key marginally validates Sandra's key.
  • Examples taken in part from The GNU Privacy Handbook