This two-way identity authentication scheme effectively prevents imitate attack, replay attack and decimal fraction attack. And the security of authentication system is enhanced.

此方案能够进行双向的身份验证，有效地防止了冒充攻击、重放攻击和小数攻击，从而提高了认证系统的安全性。

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Subsequent calls to the service get the security of password authentication without actually having to incur the overhead of a database connection or corporate LDAP directory lookup.

对这个服务的后继调用可以获得密码认证的安全性，而实际上不一定会导致数据库连接或公司LDAP目录查找的开销。

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They provide an extra level of security but add another authentication step.

它们提供了额外的安全级别，但却添加了一项身份验证步骤。

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The final layers of security include a pair of authentication certificates residing on the handsets, as well as requiring users to log-in with a password before they can use the SIP (Session Initiation Protocol) server.

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Another specific target of numerous investors this year, is mobile security, particularly the authentication and enhanced security of wireless devices.

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This increases the level of security by preventing reverse engineering of an authentication service process or preventing attacks that try to modify this code.

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