{{- $content := .Content -}}

{{- /* If Hugo Support AES, refactor with AES. */ -}}
{{- if .Password -}}
  {{- $saltLen := strings.RuneCount (trim .Password " ") -}}
  {{- $saltLen = cond (eq (mod $saltLen 2) 0) (add $saltLen 1) $saltLen -}}
  {{- $base64EncodeContent := $content | base64Encode -}}
  {{- $content = printf "%v%v%v"
    (substr $base64EncodeContent 0 $saltLen)
    (substr (sha256 .Password) $saltLen)
    (substr $base64EncodeContent $saltLen)
  -}}
{{- end -}}

{{- return $content -}}