YahalomFeb 11, 2021 | | 1 min | #cryptoAlice and Bob share a secret key with Trent.AliceTrentBobno encryption yetconcat my name +random numbersend(unencrypted)concat Alice's name +Alice's random number +my own random numberencrypt with key shared with Trentsend (encrypted)Create M1:Bob's name + random session key +Alice's random number +Bob's random number.Encrypt with Alice's key.Create M2:Alice's name + random session key +Alice's random number +Bob's random number.Encrypt with Bob's key.send M1 and M2decrypt M1,extract session key,confirm random number matches.send M2send Bob's random numberencrypted with session keyextracts session keyconfirms his random numberAliceTrentBob
