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Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=78647 --- shadow/78647 2006-06-14 14:31:42.000000000 -0400 +++ shadow/78647.tmp.14948 2006-06-14 15:04:33.000000000 -0400 @@ -1,12 +1,12 @@ Bug#: 78647 Product: Mono: Class Libraries Version: 1.1 OS: All OS Details: -Status: NEW +Status: ASSIGNED Resolution: Severity: Unknown Priority: Normal Component: CORLIB AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] @@ -34,6 +34,65 @@ 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) + +------- Additional Comments From [EMAIL PROTECTED] 2006-06-14 15:04 ------- +It's a common problem in all hash algorithm. + +using System; +using System.Security.Cryptography; + +class Program { + + static void Main (string[] args) + { + string algo = args.Length > 0 ? args[0] : "MD5"; + bool bug = args.Length > 1 && args [1] == "nobug" ? false : true; + + byte[] buffer = new byte [256]; + for (int i = 0; i < buffer.Length; i++) + buffer [i] = (byte) i; + + using (HashAlgorithm hash = HashAlgorithm.Create (algo)) { + // ok + hash.TransformBlock (buffer, 0, 64, buffer, 0); + // bad - we rewrite the beginning of the buffer + hash.TransformBlock (buffer, 64, 128, buffer, bug ? 0 : 64); + // ok + hash.TransformFinalBlock (buffer, 192, 64); + Console.WriteLine ("{0}: {1}", algo, BitConverter.ToString +(hash.Hash)); + } + } +} + [EMAIL PROTECTED]:~/src/bugzilla> mcs 78647.cs [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe +MD5: EF-B3-9B-DD-65-CB-FA-82-FC-9C-6A-C4-CA-D7-8E-24 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe MD5 nobug +MD5: E2-C8-65-DB-41-62-BE-D9-63-BF-AA-9E-F6-AC-18-F0 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA1 +SHA1: 49-46-88-03-E4-09-01-5D-E5-B0-86-D8-6A-73-B2-D2-F9-ED-27-B1 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA1 nobug +SHA1: 49-16-D6-BD-B7-F7-8E-68-03-69-8C-AB-32-D1-58-6E-A4-57-DF-C8 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA256 +SHA256: +5C-68-4C-3F-B0-25-4D-ED-E6-E3-DA-47-2E-0D-1F-3D-30-17-4D-F5-1A-D2-7D-BD-1C-8B-B6-6B-4A-0D-A4-6A [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA256 nobug +SHA256: +40-AF-F2-E9-D2-D8-92-2E-47-AF-D4-64-8E-69-67-49-71-58-78-5F-BD-1D-A8-70-E7-11-02-66-BF-94-48-80 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA384 +SHA384: +0B-35-69-55-82-D0-CE-0F-9B-F9-27-F8-52-C2-4E-47-01-D1-84-1C-76-E7-80-4B-C1-E9-97-55-C1-28-91-12-C1-71-FE-1E-38-1D-F2-68-30-7B-DC-0D-82-FF-26-D0 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA384 nobug +SHA384: +FF-DA-EB-FF-65-ED-05-CF-40-0F-02-21-C4-CC-FB-4B-21-04-FB-6A-51-F8-7E-40-BE-6C-43-09-38-6B-FD-EC-28-92-E9-17-9B-34-63-23-31-A5-95-92-73-7D-B5-C5 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA512 +SHA512: +83-A1-E6-BB-DF-54-14-E3-06-5E-10-06-53-C3-42-0D-BB-7E-CA-B1-1E-A6-1C-30-6F-F4-1E-E1-39-A0-00-59-D4-F5-49-73-E1-36-37-64-6B-1D-98-4E-C3-DA-7F-75-55-F9-B4-BF-9F-CC-5C-89-AE-F5-DD-C2-95-5C-15-45 [EMAIL PROTECTED]:~/src/bugzilla> mono 78647.exe SHA512 nobug +SHA512: +1E-7B-80-BC-8E-DC-55-2C-8F-EE-B2-78-0E-11-14-77-E5-BC-70-46-5F-AC-1A-77-B2-9B-35-98-0C-3F-0C-E4-A0-36-A6-C9-46-20-36-82-4B-D5-68-01-E6-2A-F7-E9-FE-BA-5C-22-ED-8A-5A-F8-77-BF-7D-E1-17-DC-AC-6D + _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
