enable permission check.

Author: hhrutter

README.md

@@ -7,7 +7,7 @@
 ![logo](pdfchip3.png)
   # pdfcpu: a golang pdf processor
 
-Package pdfcpu is a simple PDF processing library written in [Go](http://golang.org)
+Package pdfcpu is a simple PDF processing library written in [Go](http://golang.org).
 It provides both an API and a command line tool.
 Supported are all versions up to PDF 1.7 (ISO-32000).
 
@@ -58,7 +58,8 @@ I also wanted to have my own swiss army knife for PDFs written entirely in [Go](
 ### Status
 Version: 0.0.7
 
-The extraction code for font files and images is experimental and serves as proof of concept only.
+* Encryption support is available for the PDF standard security handler.
+* The extraction code for font files and images is experimental and serves as proof of concept only.
 
 
 ### To Do

crypto/crypto.go

@@ -268,8 +268,6 @@ func printP(enc *Encrypt) {
 // HasNeededPermissions returns true if permissions for pdfcpu processing are present.
 func HasNeededPermissions(enc *Encrypt) bool {
 
-	return true
-
 	// see 7.6.3.2
 
 	printP(enc)