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読む
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/seccrypto/security/cryptography_portal.asp
http://www.microsoft.com/msdownload/platformsdk/sdkupdate/default.htm?p=/msdownload/platformsdk/sdkupdate/psdkredist.htm
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=860EE43A-A843-462F-ABB5-FF88EA5896F6
http://www.microsoft.com/downloads/details.aspx?FamilyID=860EE43A-A843-462F-ABB5-FF88EA5896F6&displaylang=ja