Using SPA1 hashing algorithm in Excel to test authenticity of RFID chip

S

SerenityNetworks

Board Regular
Joined
Aug 13, 2009
Messages
131
Office Version
  1. 365
Platform
  1. Windows
Following are the instructions I've been provided by the manufacturer. I'm neither a developer nor knowledgeable about ascii, hex, or binary coding. I've found Excel and VBA SHA1 hashing algorithms (here) and tried to implement them. But for the test values provided I've never been able to have the "167F" value returned. Someone in another company I know was able to test and return the "167F" value using the VB code I've provided further down, but I have no idea how to implement such code and it's not something I can request of the other person. I'm still stuck with trying to figure out how to successfully implement a checking tool in Excel if possible or another tool if not. Excel would be my preferred solution. Any help will be greatly appreciated.

Note: I have found Microsoft documentation on the "SHA1CryptoServiceProvider" referenced in the VB code at the bottom of this post. But it's beyond my technical understanding.

Thanks in advance,
Andrew

Code: 
Below is example of how the UII validation bytes shall be calculated using:

  [FONT=Arial]1.         [/FONT]The first 10 bytes of the UII (starting with the “DSFID” field)
  [FONT=Arial]2.         [/FONT]The 32 byte key (determined by the issuing group)

  [FONT=Arial]3.         [/FONT]The bytes of the RFID's TID [1] (length varies - see footnote)

  The open standard SHA1 hashing algorithm shall be used. The hashing sequence shall be:

  [FONT=Arial]a.     [/FONT]Concatenate the 10 UII memory bytes, the 32 byte key and the TID bytes to form a single byte sequence
  [FONT=Arial]b.     [/FONT]Determine the SHA1 hash of this byte sequence above
  [FONT=Arial]c.     [/FONT]For UII Validation the first 2 bytes from the 40 byte hash result shall be used.
   
  UII Validation Reference Calculation is provided below: 
  UII 10 byte:          0x[B][FONT=Courier]FFFFFFFFFFFFFFFFFFFF[/FONT][/B]
  Key 32 byte: 0x[B][FONT=Courier]ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB[/FONT][/B]
  TID (12 byte example):    0x[B][FONT=Courier]000000000000000000000000[/FONT][/B]
  Result 20 byte hash value:     0x[B][FONT=Courier]167F9C5B3933148B68AAD51EE3C4B5F858166451[/FONT][/B]
  UII Validation bytes:         0x[B][FONT=Courier]167F[/FONT][/B]
  The 12 UII bytes shall be encoded as: 0x[B][FONT=Courier]FFFFFFFFFFFFFFFFFFFF167F

[/FONT][/B]
[1] The TID length can vary per the ISO 18000-63 specification.  For fully serialized RFIDs, the complete header and serialized portion of the TID (which can be anywhere from 96 - 192 bits, given the allowable serial number length of 48 - 144 bits) will be used for the indicated calculations.  Per the standard, the length of a RFID's TID serial number is indicated on each, in bits 20h - 22h of the TID.  
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Name="Light List Accent 4"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 4"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 4"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 4"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 4"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 4"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 4"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 4"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 4"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 4"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 4"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 4"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 4"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 5"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 5"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 5"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 5"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 5"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 5"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 5"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 5"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 5"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 5"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 5"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 5"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 5"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 5"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 6"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 6"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 6"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 6"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 6"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 6"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 6"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 6"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 6"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 6"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 6"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 6"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 6"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 6"/>   <w:LsdException Locked="false" Priority="19" QFormat="true"    Name="Subtle Emphasis"/>   <w:LsdException Locked="false" Priority="21" QFormat="true"    Name="Intense Emphasis"/>   <w:LsdException Locked="false" Priority="31" QFormat="true"    Name="Subtle Reference"/>   <w:LsdException Locked="false" Priority="32" QFormat="true"    Name="Intense Reference"/>   <w:LsdException Locked="false" Priority="33" QFormat="true" Name="Book Title"/>   <w:LsdException Locked="false" Priority="37" SemiHidden="true"    UnhideWhenUsed="true" Name="Bibliography"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="TOC Heading"/>   <w:LsdException Locked="false" Priority="41" Name="Plain Table 1"/>   <w:LsdException Locked="false" Priority="42" Name="Plain Table 2"/>   <w:LsdException Locked="false" Priority="43" Name="Plain Table 3"/>   <w:LsdException Locked="false" Priority="44" Name="Plain Table 4"/>   <w:LsdException Locked="false" Priority="45" Name="Plain Table 5"/>   <w:LsdException Locked="false" Priority="40" Name="Grid Table Light"/>   <w:LsdException Locked="false" Priority="46" Name="Grid Table 1 Light"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark"/>   <w:LsdException Locked="false" Priority="51" Name="Grid Table 6 Colorful"/>   <w:LsdException Locked="false" Priority="52" Name="Grid Table 7 Colorful"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 1"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 1"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 1"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 1"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 1"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 2"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 2"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 2"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 2"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 2"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 3"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 3"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 3"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 3"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 3"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 3"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 3"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 4"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 4"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 4"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 4"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 4"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 4"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 4"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 5"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 5"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 5"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 5"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 5"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 5"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 5"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 6"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 6"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 6"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 6"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 6"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 6"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 6"/>   <w:LsdException Locked="false" Priority="46" Name="List Table 1 Light"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark"/>   <w:LsdException Locked="false" Priority="51" Name="List Table 6 Colorful"/>   <w:LsdException Locked="false" Priority="52" Name="List Table 7 Colorful"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 1"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 1"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 1"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 1"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 1"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 2"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 2"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 2"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 2"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 2"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 3"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 3"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 3"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 3"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 3"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 3"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 3"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 4"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 4"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 4"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 4"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 4"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 4"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 4"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 5"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 5"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 5"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 5"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 5"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 5"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 5"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 6"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 6"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 6"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 6"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 6"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 6"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 6"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Mention"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Smart Hyperlink"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Hashtag"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Unresolved Mention"/>  </w:LatentStyles> </xml><![endif]--><!--[if gte mso 10]> <style>  /* Style Definitions */  table.MsoNormalTable     {mso-style-name:"Table Normal";     mso-tstyle-rowband-size:0;     mso-tstyle-colband-size:0;     mso-style-noshow:yes;     mso-style-priority:99;     mso-style-parent:"";     mso-padding-alt:0in 5.4pt 0in 5.4pt;     mso-para-margin:0in;     mso-para-margin-bottom:.0001pt;     mso-pagination:widow-orphan;     font-size:10.0pt;     font-family:"Times New Roman",serif;} </style> <![endif]-->

Code: 
Here is the VB code (vb.net) that another organization uses to calculatethe SHA1 hash value from EPC + Agency-Key + TID.  The function below will calculate the following hash value: 167F
  

  (Based on the example)

  EPC: FFFFFFFFFFFFFFFFFFFFFFFF
  KEY: ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB
  TID: 000000000000000000000000
  Hash: 167F
  <!--[if gte mso 9]><xml>  <w:WordDocument>   <w:View>Normal</w:View>   <w:Zoom>0</w:Zoom>   <w:TrackMoves/>   <w:TrackFormatting/>   <w:PunctuationKerning/>   <w:ValidateAgainstSchemas/>   <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid>   <w:IgnoreMixedContent>false</w:IgnoreMixedContent>   <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText>   <w:DoNotPromoteQF/>   <w:LidThemeOther>EN-US</w:LidThemeOther>   <w:LidThemeAsian>X-NONE</w:LidThemeAsian>   <w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript>   <w:Compatibility>    <w:BreakWrappedTables/>    <w:SnapToGridInCell/>    <w:WrapTextWithPunct/>    <w:UseAsianBreakRules/>    <w:DontGrowAutofit/>    <w:SplitPgBreakAndParaMark/>    <w:EnableOpenTypeKerning/>    <w:DontFlipMirrorIndents/>    <w:OverrideTableStyleHps/>   </w:Compatibility>   <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel>   <m:mathPr>    <m:mathFont m:val="Cambria Math"/>    <m:brkBin m:val="before"/>    <m:brkBinSub m:val="--"/>    <m:smallFrac m:val="off"/>    <m:dispDef/>    <m:lMargin m:val="0"/>    <m:rMargin m:val="0"/>    <m:defJc m:val="centerGroup"/>    <m:wrapIndent m:val="1440"/>    <m:intLim m:val="subSup"/>    <m:naryLim m:val="undOvr"/>   </m:mathPr></w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml>  <w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="false"   DefSemiHidden="false" DefQFormat="false" DefPriority="99"   LatentStyleCount="375">   <w:LsdException Locked="false" Priority="0" QFormat="true" Name="Normal"/>   <w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 1"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 2"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 3"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 4"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 5"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 6"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 7"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 8"/>   <w:LsdException Locked="false" Priority="9" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="heading 9"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 6"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 7"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 8"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index 9"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 1"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 2"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 3"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 4"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 5"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 6"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 7"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 8"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" Name="toc 9"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Normal Indent"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="footnote text"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="annotation text"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="header"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="footer"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="index heading"/>   <w:LsdException Locked="false" Priority="35" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="caption"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="table of figures"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="envelope address"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="envelope return"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="footnote reference"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="annotation reference"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="line number"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="page number"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="endnote reference"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="endnote text"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="table of authorities"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="macro"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="toa heading"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Bullet"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Number"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Bullet 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Bullet 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Bullet 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Bullet 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Number 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Number 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Number 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Number 5"/>   <w:LsdException Locked="false" Priority="10" QFormat="true" Name="Title"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Closing"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Signature"/>   <w:LsdException Locked="false" Priority="1" SemiHidden="true"    UnhideWhenUsed="true" Name="Default Paragraph Font"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text Indent"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Continue"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Continue 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Continue 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Continue 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="List Continue 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Message Header"/>   <w:LsdException Locked="false" Priority="11" QFormat="true" Name="Subtitle"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Salutation"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Date"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text First Indent"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text First Indent 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Note Heading"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text Indent 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Body Text Indent 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Block Text"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Hyperlink"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="FollowedHyperlink"/>   <w:LsdException Locked="false" Priority="22" QFormat="true" Name="Strong"/>   <w:LsdException Locked="false" Priority="20" QFormat="true" Name="Emphasis"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Document Map"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Plain Text"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="E-mail Signature"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Top of Form"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Bottom of Form"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Normal (Web)"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Acronym"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Address"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Cite"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Code"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Definition"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Keyboard"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Preformatted"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Sample"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Typewriter"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="HTML Variable"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Normal Table"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="annotation subject"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="No List"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Outline List 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Outline List 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Outline List 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Simple 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Simple 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Simple 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Classic 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Classic 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Classic 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Classic 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Colorful 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Colorful 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Colorful 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Columns 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Columns 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Columns 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Columns 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Columns 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 6"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 7"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Grid 8"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 4"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 5"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 6"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 7"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table List 8"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table 3D effects 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table 3D effects 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table 3D effects 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Contemporary"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Elegant"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Professional"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Subtle 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Subtle 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Web 1"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Web 2"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Web 3"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Balloon Text"/>   <w:LsdException Locked="false" Priority="39" Name="Table Grid"/>   <w:LsdException Locked="false" SemiHidden="true" UnhideWhenUsed="true"    Name="Table Theme"/>   <w:LsdException Locked="false" SemiHidden="true" Name="Placeholder Text"/>   <w:LsdException Locked="false" Priority="1" QFormat="true" Name="No Spacing"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading"/>   <w:LsdException Locked="false" Priority="61" Name="Light List"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 1"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 1"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 1"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 1"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 1"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 1"/>   <w:LsdException Locked="false" SemiHidden="true" Name="Revision"/>   <w:LsdException Locked="false" Priority="34" QFormat="true"    Name="List Paragraph"/>   <w:LsdException Locked="false" Priority="29" QFormat="true" Name="Quote"/>   <w:LsdException Locked="false" Priority="30" QFormat="true"    Name="Intense Quote"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 1"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 1"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 1"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 1"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 1"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 1"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 1"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 1"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 2"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 2"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 2"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 2"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 2"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 2"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 2"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 2"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 2"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 2"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 2"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 2"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 2"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 2"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 3"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 3"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 3"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 3"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 3"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 3"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 3"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 3"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 3"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 3"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 3"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 3"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 3"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 3"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 4"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 4"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 4"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 4"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 4"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 4"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 4"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 4"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 4"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 4"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 4"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 4"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 4"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 4"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 5"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 5"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 5"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 5"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 5"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 5"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 5"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 5"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 5"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 5"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 5"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 5"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 5"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 5"/>   <w:LsdException Locked="false" Priority="60" Name="Light Shading Accent 6"/>   <w:LsdException Locked="false" Priority="61" Name="Light List Accent 6"/>   <w:LsdException Locked="false" Priority="62" Name="Light Grid Accent 6"/>   <w:LsdException Locked="false" Priority="63" Name="Medium Shading 1 Accent 6"/>   <w:LsdException Locked="false" Priority="64" Name="Medium Shading 2 Accent 6"/>   <w:LsdException Locked="false" Priority="65" Name="Medium List 1 Accent 6"/>   <w:LsdException Locked="false" Priority="66" Name="Medium List 2 Accent 6"/>   <w:LsdException Locked="false" Priority="67" Name="Medium Grid 1 Accent 6"/>   <w:LsdException Locked="false" Priority="68" Name="Medium Grid 2 Accent 6"/>   <w:LsdException Locked="false" Priority="69" Name="Medium Grid 3 Accent 6"/>   <w:LsdException Locked="false" Priority="70" Name="Dark List Accent 6"/>   <w:LsdException Locked="false" Priority="71" Name="Colorful Shading Accent 6"/>   <w:LsdException Locked="false" Priority="72" Name="Colorful List Accent 6"/>   <w:LsdException Locked="false" Priority="73" Name="Colorful Grid Accent 6"/>   <w:LsdException Locked="false" Priority="19" QFormat="true"    Name="Subtle Emphasis"/>   <w:LsdException Locked="false" Priority="21" QFormat="true"    Name="Intense Emphasis"/>   <w:LsdException Locked="false" Priority="31" QFormat="true"    Name="Subtle Reference"/>   <w:LsdException Locked="false" Priority="32" QFormat="true"    Name="Intense Reference"/>   <w:LsdException Locked="false" Priority="33" QFormat="true" Name="Book Title"/>   <w:LsdException Locked="false" Priority="37" SemiHidden="true"    UnhideWhenUsed="true" Name="Bibliography"/>   <w:LsdException Locked="false" Priority="39" SemiHidden="true"    UnhideWhenUsed="true" QFormat="true" Name="TOC Heading"/>   <w:LsdException Locked="false" Priority="41" Name="Plain Table 1"/>   <w:LsdException Locked="false" Priority="42" Name="Plain Table 2"/>   <w:LsdException Locked="false" Priority="43" Name="Plain Table 3"/>   <w:LsdException Locked="false" Priority="44" Name="Plain Table 4"/>   <w:LsdException Locked="false" Priority="45" Name="Plain Table 5"/>   <w:LsdException Locked="false" Priority="40" Name="Grid Table Light"/>   <w:LsdException Locked="false" Priority="46" Name="Grid Table 1 Light"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark"/>   <w:LsdException Locked="false" Priority="51" Name="Grid Table 6 Colorful"/>   <w:LsdException Locked="false" Priority="52" Name="Grid Table 7 Colorful"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 1"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 1"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 1"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 1"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 1"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 2"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 2"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 2"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 2"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 2"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 3"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 3"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 3"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 3"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 3"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 3"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 3"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 4"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 4"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 4"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 4"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 4"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 4"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 4"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 5"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 5"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 5"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 5"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 5"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 5"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 5"/>   <w:LsdException Locked="false" Priority="46"    Name="Grid Table 1 Light Accent 6"/>   <w:LsdException Locked="false" Priority="47" Name="Grid Table 2 Accent 6"/>   <w:LsdException Locked="false" Priority="48" Name="Grid Table 3 Accent 6"/>   <w:LsdException Locked="false" Priority="49" Name="Grid Table 4 Accent 6"/>   <w:LsdException Locked="false" Priority="50" Name="Grid Table 5 Dark Accent 6"/>   <w:LsdException Locked="false" Priority="51"    Name="Grid Table 6 Colorful Accent 6"/>   <w:LsdException Locked="false" Priority="52"    Name="Grid Table 7 Colorful Accent 6"/>   <w:LsdException Locked="false" Priority="46" Name="List Table 1 Light"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark"/>   <w:LsdException Locked="false" Priority="51" Name="List Table 6 Colorful"/>   <w:LsdException Locked="false" Priority="52" Name="List Table 7 Colorful"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 1"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 1"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 1"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 1"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 1"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="52"    Name="List Table 7 Colorful Accent 1"/>   <w:LsdException Locked="false" Priority="46"    Name="List Table 1 Light Accent 2"/>   <w:LsdException Locked="false" Priority="47" Name="List Table 2 Accent 2"/>   <w:LsdException Locked="false" Priority="48" Name="List Table 3 Accent 2"/>   <w:LsdException Locked="false" Priority="49" Name="List Table 4 Accent 2"/>   <w:LsdException Locked="false" Priority="50" Name="List Table 5 Dark Accent 2"/>   <w:LsdException Locked="false" Priority="51"    Name="List Table 6 Colorful Accent 2"/>   <w:LsdException Locked="false" Priority="52"    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  Function epc_validator(vc_agencyKey As String, ByVal vc_epc As String, vc_tid As String) As String
        Dim lo_sha1 As SHA1 = New SHA1CryptoServiceProvider()
        Dim la_resulthash() As Byte
        Dim lc_validation As String = ""

        vc_epc = vc_epc.Substring(0,20)

        Try
            la_resulthash = lo_sha1.ComputeHash(strhex_to_byte(vc_epc + vc_agencyKey + vc_tid))
            lc_validation = byte_to_strhex(la_resulthash, "").Substring(0, 4)
        Catch ex As Exception
            lc_validation = ""
        End Try

        Return lc_validation
    End Function
 

Excel Facts

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Here is the VBA equivalent of the epc_validator function, plus supporting conversion functions and a test macro which returns 167F for the test values.

Code: 
Option Explicit
  
Public Sub test()
    
    Dim key As String, epc As String, tid As String, hash As String
    Dim expectedHash As String
    
    key = "ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB"
    epc = "FFFFFFFFFFFFFFFFFFFFFFFF"
    tid = "000000000000000000000000"
    expectedHash = "167F"
    
    hash = epc_validator(key, epc, tid)
    MsgBox "Hash = " & hash, Title:=IIf(hash = expectedHash, "Expected result", "Unexpected result")

End Sub


Public Function epc_validator(vc_agencyKey As String, ByVal vc_epc As String, vc_tid As String) As String
    
    Dim lo_sha1 As Object
    Dim la_resulthash() As Byte
    Dim bytes() As Byte
    
    Set lo_sha1 = CreateObject("System.Security.Cryptography.SHA1CryptoServiceProvider")
    
    bytes = HexStringToBytes(Left(vc_epc, 20) & vc_agencyKey & vc_tid)    
    la_resulthash = lo_sha1.ComputeHash_2(bytes)
    epc_validator = UCase(Left(BytesToHexString(la_resulthash), 4))

End Function
    

Public Function HexStringToBytes(hexString As String) As Byte()
    
    'For each pair of hex digits in a hex string, convert them to their byte value and return an array of the bytes
    
    Dim bytes() As Byte
    Dim i As Long, b As Long
    Dim hex1 As Long, hex2 As Long
    
    ReDim bytes(Len(hexString) \ 2 - 1) As Byte
    
    b = 0
    For i = 1 To Len(hexString) Step 2
        hex1 = InStr(1, "0123456789ABCDEF", Mid(hexString, i, 1), vbTextCompare) - 1
        hex2 = InStr(1, "0123456789ABCDEF", Mid(hexString, i + 1, 1), vbTextCompare) - 1
        bytes(b) = hex1 * &H10 + hex2
        b = b + 1
    Next
    
    HexStringToBytes = bytes

End Function


Private Function BytesToHexString(bytes() As Byte) As String

    'Convert an array of bytes to a hex string
    
    Dim DOMdoc As Object
      
    Set DOMdoc = CreateObject("MSXML2.DOMDocument")
    With DOMdoc
        .LoadXML "<root />"
        .DocumentElement.DataType = "bin.Hex"
        .DocumentElement.nodeTypedValue = bytes
        BytesToHexString = Replace(.DocumentElement.Text, vbLf, "")
    End With

End Function
 
Upvote 0
Here is a pure VBA version of the BytesToHexString function in my previous post. The previous function is only really needed for fast conversion of an array with thousands of bytes.

Code: 
Private Function BytesToHexString(bytes() As Byte) As String

    'Convert an array of bytes to a hex string
    
    Dim i As Long
    
    BytesToHexString = ""
    For i = LBound(bytes) To UBound(bytes)
        BytesToHexString = BytesToHexString & Hex(bytes(i))
    Next
       
End Function
 
Last edited:
Upvote 0
Thank you!

John,

Thank you! This is perfect.

It's going to take me a bit of study to understand the code, but it works and gets me off the ground.

Thanks again,
Andrew
 
Upvote 0
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