Generate kerberos key from base64 raw key.

Author: tyranid

NtObjectManager/NtObjectManager.psm1

@@ -9216,19 +9216,24 @@ function Get-KerberosKey {
         [string]$Password,
         [Parameter(Position = 0, Mandatory, ParameterSetName="FromKey")]
         [byte[]]$Key,
+        [Parameter(Mandatory, ParameterSetName="FromBase64Key")]
+        [string]$Base64Key,
         [Parameter(Position = 1, Mandatory, ParameterSetName="FromPassword")]
         [Parameter(Position = 1, Mandatory, ParameterSetName="FromKey")]
+        [Parameter(Mandatory, ParameterSetName="FromBase64Key")]
         [NtApiDotNet.Win32.Security.Authentication.Kerberos.KerberosEncryptionType]$KeyType,
         [Parameter(ParameterSetName="FromPassword")]
         [int]$Interations = 4096,
         [NtApiDotNet.Win32.Security.Authentication.Kerberos.KerberosNameType]$NameType = "PRINCIPAL",
         [Parameter(Position = 2, Mandatory, ParameterSetName="FromPassword")]
         [Parameter(Position = 2, Mandatory, ParameterSetName="FromKey")]
+        [Parameter(Mandatory, ParameterSetName="FromBase64Key")]
         [string]$Principal,
         [Parameter(ParameterSetName="FromPassword")]
         [string]$Salt,
         [uint32]$Version = 1,
         [Parameter(ParameterSetName="FromKey")]
+        [Parameter(ParameterSetName="FromBase64Key")]
         [DateTime]$Timestamp = [DateTime]::Now
     )
 
@@ -9239,6 +9244,10 @@ function Get-KerberosKey {
         "FromKey" {
             [NtApiDotNet.Win32.Security.Authentication.Kerberos.KerberosKey]::new($KeyType, $Key, $NameType, $Principal, $Timestamp, $Version)
         }
+        "FromBase64Key" {
+            $Key = [System.Convert]::FromBase64String($Base64Key)
+            [NtApiDotNet.Win32.Security.Authentication.Kerberos.KerberosKey]::new($KeyType, $Key, $NameType, $Principal, $Timestamp, $Version)
+        }
     }
     $k | Write-Output
 }