$cred = Get-Credential -Message 'Enter Domain/Username and Password'
$pwd = $cred.Password
$user = $cred.UserName
$key = 1..32 | ForEach-Object { Get-Random -Maximum 256 }
$pwdencrypted = $pwd | ConvertFrom-SecureString -Key $key
 
$private:ofs = ' '
 
$generatedScript = @()
$generatedScript += '$password = ''{0}''' -f $pwdencrypted
$generatedScript += '$key = ''{0}''' -f "$key "
 
$generatedScript += '$passwordSecure = ConvertTo-SecureString -String $password -Key ([Byte[]]$key.Split('' ''))'
$generatedScript += '$cred = New-Object system.Management.Automation.PSCredential(''{0}'', $passwordSecure)' -f $user
$generatedScript += '$cred'
 
$file = $psise.CurrentPowerShellTab.Files.Add()
$file.Editor.Text = $generatedScript | Out-String
$file.Editor.SetCaretPosition(1,1)

$password = '76492d1116743f0423413b16050a5345MgB8AHMAUQA3AFAAVwB0AGkAUQBUAC8AdwBqADYAUABVAFYAUwB4AEYAYgB4AFEAPQA9AHwAZgA0ADgAOQA4AGYANwA0AGEAMAA0ADUANwA5ADkAMwA5ADkAMwA1ADUANQA0AGYANwA5AGQANwBkAGYAOQBmAGEAYQA3ADMAYgBkADIAOQA3AGMAYQBmADUAMgA3ADEANwA3AGEAYgBmADAAYgA1AGYAYwAyADYAYgAzADkAOAA='
$key = '187 98 34 82 148 52 13 86 246 2 130 197 217 97 147 98 75 197 149 246 74 35 27 7 211 15 131 93 182 231 171 3'
$passwordSecure = ConvertTo-SecureString -String $password -Key ([Byte[]]$key.Split(' '))
$cred = New-Object system.Management.Automation.PSCredential('mickey/mouse', $passwordSecure)
$cred