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络通信系统数据加密模型为保证网络的安全通信，应采取综合加密策略：对安全级别低的网络系统，采用严密的通信技术、手段、算法，以提高网络系统的整体安全水平；对通信网络的数据链路层、中间节点、端对端、路由选择等进行加密；采用数字认证制度、数字签名等技术；综合运用各种数据加密算法，对数据进行加密等。
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