Install decrypt OpenSSL under Windows platform

1 Download OpenSSL installation on the OpenSSL website, this machine is 64-bit win 8.1 system

Http://slproweb.com/products/Win32OpenSSL.html

Download: Win64 OpenSSL V0.9.8ZB

Visual C + + redistributables (x64)

2 Downloads ActivePerl 5.10.1.1007 (the latest version or lower version is also available):

: http://www.activestate.com/activeperl/downloads/

Installation sequence, first install ActivePerl, then visualc++ environment, finally installed OpenSSL

3 decrypting a file with a command

My Opessl is installed in the default path of C drive,

You can use the decryption command.

Of course, you can also configure environment variables.

4 You can also use C # code to execute commands

Using System;
Using System.Diagnostics;

Namespace Apptest
{
public class Opensslcmd
{
public void Demo ()
{
Process P = new process ();
p.StartInfo.FileName = "cmd.exe";

P.startinfo.useshellexecute = false;
P.startinfo.redirectstandardinput = true;
P.startinfo.redirectstandardoutput = true;
P.startinfo.redirectstandarderror = true;
P.startinfo.createnowindow = true;
P.start ();
p.standardinput.writeline (@ "C:");
P.standardinput.writeline (@ "CD C:\OpenSSL\bin");
P.standardinput.writeline (@ "OpenSSL aes-128-cbc-d-salt-in roam_20140808114918.cdr.aes_sale-out ROAM_ 20140808114918.cdr.out-pass pass:1234567890654321 ");
P.standardinput.writeline ("net share > C://1.txt");

           p.standardinput.writeline ("exit");
           String s = p.standardoutput.readtoend ();
           Console.WriteLine (s);
      }
   }
}