Convert to Base64

<#
Converts a byte encoded file to Base64 encoding to transfer data by text, like certificates
Mimics function of openssl base64 -in certificate.pfx -out certificate.p12
#>

function Convert-ByteToBase64 {
param($in,$out)

$fileContentBytes = get-content $in -Encoding Byte

"-----BEGIN CERTIFICATE-----" |Out-File $out
[regex]::split(([System.Convert]::ToBase64String($fileContentBytes)),  '(.{65})') | ? {$_} | out-file $out -append
"-----END CERTIFICATE-----" | out-file $out -append
}