Що з наведеного нижче є недоліком криптосистеми з приватним ключем і відсутнє в криптосистемі з публічним ключем?

Question

Accepted Answer

The communicating parties need to share some secret information in advance.

Answer

The communicating parties need the ability to generate random bits.

Answer

Users must manage and securely store keys for every other party with whom they wish to communicate securely.

Answer

The communicating parties need to have some prior relationship.

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