The same digital certificate used for reading encrypted mail can also be used to digitally sign documents.

用于阅读加密邮件的同一个数字证书也可用于数字签署文档。

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The same digital certificate used for reading encrypted mail can also be used to digitally sign documents.

用于阅读加密邮件的同一个数字证书也可用于数字签署文档。

youdao