function Encode-Text {

param (

[string]$Text,

[validateset('SecureString', 'SecureStringWithKey', 'Base64', 'ASCII')]

[string]$Method = 'Base64'

)

process {

if (!$Text) {

$Text = $input

}

}

end{

switch ($method) {

# only recoverable by same user on same computer

'SecureString' {

Write-Warning "This can only be recovered by '$env:USERNAME' on computer '$env:COMPUTERNAME'"

ConvertTo-SecureString $text -AsPlainText -Force | ConvertFrom-SecureString

}

'SecureStringWithKey' {

ConvertTo-SecureString $text -AsPlainText -Force | ConvertFrom-SecureString -Key (1..16)

}

'Base64' {

[Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($Text))

}

# only works with letters

'ASCII' {

-join([char[]]$text | % {

'{0:D3}' -f ([int]$_ - 32)

})

}

}

}

}