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param (
[string]$in = $( Read-Host "Please specify a file to encode with -in" ),
[string]$out = $( Read-Host "Please specify an output file with -out" )
if (-Not (Test-Path $in)) { Read-Host "Please specify a valid filepath" }
$str = [System.IO.File]::ReadAllText($in)
$bytes = [System.Text.Encoding]::Ascii.GetBytes($str)
for($i=0; $i -lt $bytes.count; $i++) {
$bytes[$i] = $bytes[$i] -bxor 0x71
[Convert]::ToBase64String($bytes) | Out-File $out
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