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进注册表按Win+R运行regedit修改下面的值为0就可以了HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\FipsAlgorithmPolicy\Enabled
c# 调用MD5CryptoServiceProvider出现 System.InvalidOperationException: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.
原文地址：http://www.cnblogs.com/xuan52rock/p/5859682.html
