functions/ConvertFrom-AadThumbprintToBase64String.ps1
<#
.SYNOPSIS Converts a Thumbprint to a Base64Encoded Thumbprint or also known as Key Identifier (Kid) .DESCRIPTION Converts a Thumbprint to a Base64Encoded Thumbprint or also known as Key Identifier (Kid) .PARAMETER Thumbprint Provide the Thumbprint to be converted to a Base64Encoded value .EXAMPLE ConvertFrom-AadThumbprintToBase64String -Base64String 'CF-BF-51-9C-69-63-4D-06-BD-66-1E-19-8C-BA-BA-51-A0-78-79-43' ConvertFrom-AadThumbprintToBase64String -Base64String 'CFBF519C69634D06BD661E198CBABA51A0787943' Output... z79RnGljTQa9Zh4ZjLq6UaB4eUM= .NOTES #> Function ConvertFrom-AadThumbprintToBase64String { [cmdletbinding()] param( [parameter(Mandatory=$true, Position=0, ValueFromPipeline = $true)] [String] $Thumbprint ) # Imports #. ("$($Global:AadSupport.Path)\internals\Internals-AadConversions.ps1") $Bytes = Convert-AadThumbprintToByteArray -Thumbprint ($Thumbprint.Replace("-","")) $hashedString =[Convert]::ToBase64String($Bytes) $hashedString = $hashedString.Split('=')[0] $hashedString = $hashedString.Replace('+', '-') $hashedString = $hashedString.Replace('/', '_') return $hashedString } |