ErrNotEnoughDelegations is a error returned by Decrypt.

ErrRestoreDelegations is a sentinal value returned when more delegations are needed for the restore to continue.

AccessStructure represents different possible access structures for encrypted data.

EncryptedData is the format for encrypted data containing all the keys necessary to decrypt it when delegated.

MultiWrappedKey is a structure containing a 16-byte key encrypted once for each of the keys corresponding to the names of the users in Name in order.

SingleWrappedKey is a structure containing a 16-byte key encrypted by an RSA or EC key.

Implements msp.UserDatabase.