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| function Convert-CompressedGuidToProductCode { | |
| param( | |
| [Parameter(Mandatory)] | |
| [string]$CompressedGuid | |
| ) | |
| function Reverse-String ([array]$a) { | |
| [String]::Join('', $a[-1..-($a.Count)]) | |
| } | |
| function Reverse-Bytes ([String]$a) { | |
| [String]::Join('', ($a -split '(..)' -ne '' -replace '(\w)(\w)','$2$1')) | |
| } | |
| $data1 = Reverse-String $CompressedGuid[0..7] | |
| $data2 = Reverse-String $CompressedGuid[8..11] | |
| $data3 = Reverse-String $CompressedGuid[12..15] | |
| $data4 = Reverse-Bytes ($CompressedGuid[16..19] -join '') | |
| $data5 = Reverse-Bytes ($CompressedGuid[20..31] -join '') | |
| return '{0}-{1}-{2}-{3}-{4}' -f $data1, $data2, $data3, $data4, $data5 | |
| } | |
| Convert-CompressedGuidToProductCode -CompressedGuid '96F071321C0420725210000010000000' | |
| # Should return 23170F69-40C1-2702-2501-000001000000 |
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| function Convert-ProductCodeToCompressedGuid { | |
| param( | |
| [Parameter(Mandatory)] | |
| [string]$ProductCode | |
| ) | |
| function Reverse-String ([array]$a) { | |
| [String]::Join('', $a[-1..-($a.Count)]) | |
| } | |
| function Reverse-Bytes ([String]$a) { | |
| [String]::Join('', ($a -split '(..)' -ne '' -replace '(\w)(\w)','$2$1')) | |
| } | |
| $ProductCode = $ProductCode -replace '\{|\}|\-' | |
| $data1 = Reverse-String $ProductCode[0..7] | |
| $data2 = Reverse-String $ProductCode[8..11] | |
| $data3 = Reverse-String $ProductCode[12..15] | |
| $data4 = Reverse-Bytes ($ProductCode[16..19] -join '') | |
| $data5 = Reverse-Bytes ($ProductCode[20..31] -join '') | |
| return '{0}{1}{2}{3}{4}' -f $data1, $data2, $data3, $data4, $data5 | |
| } | |
| Convert-ProductCodeToCompressedGuid -ProductCode '{23170F69-40C1-2702-2501-000001000000}' | |
| # Should return 96F071321C0420725210000010000000 |
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