- Prevent any single individual from revoking our signing key.

Prevent any single individual from revoking our signing key.

Allow a coalition of people from tails@boum.orghe Board to revoke our signing key in case most of the people from tails@boum.orghe Board become unavailable.

Allow a coalition of people from the Board to revoke our signing key in case most of the people from the Board become unavailable.

Allow a coalition of people, not necessarily from tails@boum.orghe Board, to revoke our signing key in case everybody or almost everybody from tails@boum.orghe Board becomes unavailable.

Allow a coalition of people, not necessarily from the Board, to revoke our signing key in case everybody or almost everybody from the Board becomes unavailable.

Make it hard for a coalition of people not from tails@boum.orghe Board to revoke our signing key unless everybody or almost everybody from tails@boum.orghe Board becomes unavailable.

Make it hard for a coalition of people not from the Board to revoke our signing key unless everybody or almost everybody from the Board becomes unavailable.

People not from tails@boum.orghe Board shouldn't know how the shares are spread and who has them.

People not from the Board shouldn't know how the shares are spread and who has them.

Group A: people from tails@boum.orghe Board themselves

Group A: people from the Board themselves

Three people from tails@boum.orghe Board: A{3}

Three people from the Board: A{3}

Two people from tails@boum.orghe Board and one person not from tails@boum.orghe Board: A{2}+(B|C|D)

Two people from the Board and one person not from the Board: A{2}+(B|C|D)

One person from tails@boum.orghe Board, and two people not from tails@boum.orghe Board but from two different groups: A+(B|C|D){2}

One person from the Board, and two people not from the Board but from two different groups: A+(B|C|D){2}

Three people not from tails@boum.orghe Board but from three different groups: (B+C+D){3}

Three people not from the Board but from three different groups: (B+C+D){3}

N shares, one for each person from tails@boum.orghe Board

N shares, one for each person from the Board

People from tails@boum.orghe Board know the composition of each group

People from the Board know the composition of each group

Three pPeople not from tails@boum.org: A{3}he Board:

People not from the Board:

The address of the mailing list that you should write to in case you wantAre told that they need three different shares to reassemble the revocation certificate is:

Are told that they need three different shares to reassemble the revocation certificate

Each person from tails@boum.orghe Board, group A, has a *different* share, A1, A2, ..., An.

Each person from the Board, group A, has a *different* share, A1, A2, ..., An.

Verify the authenticity of this email, either by verifying that it is signed by the tails@boum.org mailing or by talking directly to someone from tails@boum.orghe Board.

Verify the authenticity of this email, either by verifying that it is signed by the tails@boum.org mailing or by talking directly to someone from the Board.