http://blogs.msdn.com/kannans/archive/tags/FAQ/default.aspxTags: FAQen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/kannans/archive/2006/08/17/704534.aspxThu, 17 Aug 2006 20:40:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:704534kannans0http://blogs.msdn.com/kannans/comments/704534.aspxhttp://blogs.msdn.com/kannans/commentrss.aspx?PostID=704534<FONT face="Courier New" color=teal size=2><SPAN style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'"><FONT color=#0000ff size=2> <P>using</FONT><FONT size=2><FONT color=#000000> System.Security.Cryptography;</FONT></FONT></P> <P><FONT size=2><FONT color=#000000>....</FONT></P></FONT></SPAN></FONT> <P class=MsoNormal style="TEXT-INDENT: 0.5in"><FONT face="Courier New" color=teal size=2><SPAN style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'">FileStream</SPAN></FONT><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"> file = <FONT color=blue><SPAN style="COLOR: blue">new</SPAN></FONT> <FONT color=teal><SPAN style="COLOR: teal">FileStream</SPAN></FONT>(fileName, <FONT color=teal><SPAN style="COLOR: teal">FileMode</SPAN></FONT>.Open);<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT></P> <P class=MsoNormal style="TEXT-INDENT: 0.5in"><FONT face="Courier New" color=teal size=2><SPAN style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'">MD5</SPAN></FONT><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"> md5 = <FONT color=blue><SPAN style="COLOR: blue">new</SPAN></FONT> <FONT color=teal><SPAN style="COLOR: teal">MD5CryptoServiceProvider</SPAN></FONT>();<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal style="TEXT-INDENT: 0.5in"><FONT face="Courier New" color=blue size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'">byte</SPAN></FONT><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">[] result = md5.ComputeHash(file);<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal style="TEXT-INDENT: 0.5in"><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">file.Close();</SPAN></FONT></P> <P class=MsoNormal style="TEXT-INDENT: 0.5in"><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"></SPAN></FONT><FONT face="Courier New" color=blue size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'">string</SPAN></FONT><FONT face="Courier New" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"> md5Hash = <FONT color=teal><SPAN style="COLOR: teal">Convert</SPAN></FONT>.ToBase64String(result);<o:p></o:p></SPAN></FONT></P> <P class=MsoNormal><FONT face="Courier New" color=blue size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'"><o:p>&nbsp;....</o:p></SPAN></FONT></P><img src="http://blogs.msdn.com/aggbug.aspx?PostID=704534" width="1" height="1">FAQ