[Mono-bugs] [Bug 78647][Nor] New - HashAlgorithm.TransformBlock can break if destination offset is different than source (on same buffer)

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Changed by sebastien at ximian.com.

http://bugzilla.ximian.com/show_bug.cgi?id=78647

--- shadow/78647	2006-06-14 14:31:22.000000000 -0400
+++ shadow/78647.tmp.14533	2006-06-14 14:31:22.000000000 -0400
@@ -0,0 +1,39 @@
+Bug#: 78647
+Product: Mono: Class Libraries
+Version: 1.1
+OS: All
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: CORLIB
+AssignedTo: mono-bugs at ximian.com                            
+ReportedBy: sebastien at ximian.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: HashAlgorithm.TransformBlock can break if destination offset is different than source (on same buffer)
+
+Description of Problem:
+HashAlgorithm.TransformBlock can break if destination offset is different
+than source (on same buffer).
+
+Steps to reproduce the problem:
+1. hash.TransformBlock (buffer, 10, 10, buffer, 0);
+2. hash.Hash
+
+Actual Results:
+Wrong hash is returned.
+
+Expected Results:
+Correct hash is returned.
+
+How often does this happen? 
+Always.
+
+Additional Information:
+* See
+http://lists.ximian.com/archives/public/mono-patches/2006-June/075590.html
+* Not sure if it only affects some, or all, hash algorithms (found on MD5)