Bob will have his public/secret key pair $B_p$ and $B_s$. So Alice has a public/private key pair which we will call $A_p$ for the public key and $A_s$ for her private key which she keeps secret. Note that we never have the vault key, so we can't decrypt the items in the vault (or even the name of the vault).Įach individual has a public/private key pair as part of what we call their "personal keyset". For synching and sharing the encrypted items in the vault are sent to our server. Let's suppose that Alice has created a vault $V$, and the vault key for it is $V_k$. Each vault has its own randomly generated vault key that is created by the users client when the vault is created. A vault will have a number of items in it. I will leave out some details here so that I can focus on the essential part of the question.ġPassword works with the notion of vaults, and vaults are what people share. What you are after is described in more detail in the 1Password Security Design document. Disclosure: I work for 1Password and had a hand to play in the design of exactly what you are asking about.
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