functions/Get-NewMachineKey.ps1
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function Get-NewMachineKey { [CmdletBinding()] param ( [ValidateSet("AES", "DES", "3DES")] [string]$decryptionAlgorithm = 'AES', [ValidateSet("MD5", "SHA1", "HMACSHA256", "HMACSHA384", "HMACSHA512")] [string]$validationAlgorithm = 'HMACSHA256' ) process { function BinaryToHex { [CmdLetBinding()] param($bytes) process { $builder = New-Object System.Text.StringBuilder foreach ($b in $bytes) { $builder = $builder.AppendFormat([System.Globalization.CultureInfo]::InvariantCulture, "{0:X2}", $b) } $builder } } switch ($decryptionAlgorithm) { "AES" { $decryptionObject = New-Object System.Security.Cryptography.AesCryptoServiceProvider } "DES" { $decryptionObject = New-Object System.Security.Cryptography.DESCryptoServiceProvider } "3DES" { $decryptionObject = New-Object System.Security.Cryptography.TripleDESCryptoServiceProvider } } $decryptionObject.GenerateKey() $decryptionKey = BinaryToHex($decryptionObject.Key) $decryptionObject.Dispose() switch ($validationAlgorithm) { "MD5" { $validationObject = New-Object System.Security.Cryptography.HMACMD5 } "SHA1" { $validationObject = New-Object System.Security.Cryptography.HMACSHA1 } "HMACSHA256" { $validationObject = New-Object System.Security.Cryptography.HMACSHA256 } "HMACSHA385" { $validationObject = New-Object System.Security.Cryptography.HMACSHA384 } "HMACSHA512" { $validationObject = New-Object System.Security.Cryptography.HMACSHA512 } } $validationKey = BinaryToHex($validationObject.Key) $validationObject.Dispose() return [PSCustomObject]@{ decryption = $decryptionAlgorithm.ToUpperInvariant() decryptionKey = $decryptionKey validation = $validationAlgorithm.ToUpperInvariant() validationKey = $validationKey } } } |