SSH supports multiple encryption types, with most of its implementation supporting stronger encryption types like AES.

SSH支持多种加密类型，它的大多数实现支持诸如aes之类的更强的加密类型。

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It is shown that a multiple encryption system consisting of encrypted instructions, encrypted locations and encrypted labels can be implemented by such a code without difficulty.

研究表明，这种码字可以很方便地实现由密令、密位或密标组成的多层保密系统。

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Messages may contain encryption and digital signature layers. Each digital signature layer may contain multiple signatures.

邮件可能包含加密和数字签名层。每一数字签名层可能包含多个签名。

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