和采用CRS模型的协议相比，降低了把整个信任集中于一处带来的风险。
Compared with protocols under the CRS model, the group key exchange protocol can greatly reduce the risk of putting all trusts in one place.
和采用CRS模型的协议相比，降低了把整个信任集中于一处带来的风险。
Compared with protocols under the CRS model, the group key exchange protocol can greatly reduce the risk of putting all trusts in one place.
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