Efficiently protecting the privacy of multi-recipient emails is not as trivial as it seems. The approach proposed by S/MIME is to concatenate all ciphertexts. However, it suffers ...
The increasing centralization of networked services places user data at considerable risk. For example, many users store email on remote servers rather than on their local disk. D...
Adam J. Aviv, Michael E. Locasto, Shaya Potter, An...