Private/ConvertTo-InsecureString.ps1

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Function ConvertTo-InsecureString {
    <#
    .SYNOPSIS
    Returns string value from SecureString input

    .DESCRIPTION
    Gets the decoded string value of an encoded SecureString

    .PARAMETER SecureString
    The SecureString to decode

    .EXAMPLE
    ConvertTo-InsecureString $SecureStringValue
    #>

    [CmdLetBinding()]
    [OutputType('System.String')]
    Param (

        [Parameter(
            Mandatory = $True)]
        [System.Security.SecureString]$SecureString
    )

    Try {

        $ptr = [System.Runtime.InteropServices.Marshal]::SecureStringToGlobalAllocUnicode($SecureString)
        [System.Runtime.InteropServices.Marshal]::PtrToStringUni($ptr)

    }

    Finally {

        [System.Runtime.InteropServices.Marshal]::ZeroFreeGlobalAllocUnicode($ptr)

    }

}