远程文件系统和其他内核服务可以使用这个服务来管理密码学、身份验证标记、跨域用户映射和其他安全问题。
The service can be used by remote filesystems or other kernel services to manage cryptography, authentication tokens, cross-domain user mappings, and other security concerns.
因而，管理员必须选择非常难于破解的密码，以免被他人破解而影响系统的安全性。
Hence, administrators must choose a very hard to break password so that nobody can crack it, thus compromising system security.
在公钥密码系统中加密和解密算法是公开的，因此私钥存储管理成了公钥系统安全中薄弱的环节。
As the encryption algorithm and decryption algorithm are open to everyone, so the private key storage management becomes an insecure part in public key system.
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