证书对于实现此单点登录非常之重要,证书是服务器端和客户端安全通信的凭证,本教程只是演示,所有用了JDK自带的证书生成工具keytool。当然在实际项目中你可以到专门的证书认证中心购买证书。
中文官方网站:http://www.verisign.com/cn/
1、用JDK自带的keytool生成证书
输入如下命令:
keytool -genkey -alias smalllove -keyalg RSA -keystore D:/keys/smallkey
此命令是生成一个证书,其中 smalllove 是证书别名,此命令的执行如图所示:
其中名字与姓氏这一最好写你的 域名,如果在单击测试你可以在C:\Windows\System32\drivers\etc\hosts文件中映射一个虚拟域名,注意不要写IP。
2、导出证书
输入如下命令:
C:\>keytool -export -file d:/keys/small.crt -alias smalllove -keystore d:/keys/smallkey
如图:
密码为上步设置的密码。
3、把证书导入到客户端JDK中
假设你的jdk安装在C:\jdk1.5这个目录, 开始 >> 运行 >> 输入cmd 进入dos命令行 >> 再用cd进入到C:\jdk1.5\jre\lib\security这个目录下
敲入如下命令回车执行:
keytool -import -alias smalllove -keystore smalllove -file D:/keys/small.crt -trustcacerts
此时命令行会提示你输入cacerts证书库的密码,你敲入changeit就行了,这是java中cacerts证书库的默认密码,你自已也可以修改的。 ok,大功告成!
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" 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