machineKey生成代码:
代码
validationKey = CreateKey(20);
decryptionKey = CreateKey(24);
protected string CreateKey(int len)
{
byte[] bytes = new byte[len];
new RNGCryptoServiceProvider().GetBytes(bytes);
StringBuilder sb = new StringBuilder();
for(int i = 0; i < bytes.Length; i++)
{
sb.Append(string.Format("{0:X2}",bytes[i]));
}
return sb.ToString();
}
web.config配置:
代码
xml version="1.0"?>
<configuration>
<system.web>
<machineKey validationKey="3FF1E929BC0534950B0920A7B59FA698BD02DFE8" decryptionKey="280450BB36319B474C996B506A95AEDF9B51211B1D2B7A77" decryption="3DES" validation="SHA1"/>
system.web>
configuration>
machineKey作用:
1)在forms authentication tickets认证时加密与解密,防止被篡改。
2)ViewState加密与解密,防止篡改。
3)使用进程外session(out-of-process session)时,对会话状态标识进行验证。
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