Most operating systems include little or no encryption in key elements, which creates an inherent lack of security.
大多数操作系统很少在其关键组成部分中包含加密处理，这使得它们先天就缺乏安全性。
It's even more common to find crucial flaws in crypto-graphic algorithm implementations, which can turn strong encryption into weak encryption (or sometimes no encryption at all).
而更为普遍的情况是，加密算法实现被发现具有关键的缺陷，可以让原本的强加密退化成弱加密(有时甚至相当于完全不加密)。
The former, RSH, is a standard remote shell system that offers basic authentication security, but no encryption, while the latter, SSH, offers both authentication and encryption of the data.
前者(rsh)是一种标准的远程Shell系统，它提供了基本的身份验证安全性，但不提供加密功能，而后者(ssh)提供了基本的身份验证和数据加密功能。
The former, RSH, is a standard remote shell system that offers basic authentication security, but no encryption, while the latter, SSH, offers both authentication and encryption of the data.
前者(rsh)是一种标准的远程Shell系统，它提供了基本的身份验证安全性，但不提供加密功能，而后者(ssh)提供了基本的身份验证和数据加密功能。
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