0. If you don't already have a correct version of Python and PyCrypto installed, follow the "Installing Python on Windows" and "Installing PyCrypto on Windows" sections below before continuing.
1. Drag the DeDRM_App folder from tools_v6.0.0/DeDRM_Application_Windows to your "My Documents" folder.
1. Drag the DeDRM_App folder from tools_v6.1.0/DeDRM_Application_Windows to your "My Documents" folder.
2. Open the DeDRM_App folder you've just dragged, and make a short-cut of the DeDRM_Drop_Target.bat file (right-click/Create Shortcut). Drag the shortcut file onto your Desktop.
<p>If you have upgraded from an earlier version of the plugin, any existing Barnes and Noble keys will have been automatically imported, so you might not need to do any more configuration. Continue reading for key generation and management instructions.</p>
<h3>Creating New Keys:</h3>
<h3>Changes at Barnes & Noble</h3>
<p>In mid-2014, Barnes & Noble changed the way they generated encryption keys. Instead of deriving the key from the user's name and credit card number, they started generating a random key themselves, sending that key through to devices when they connected to the B&N servers. This means that some users will find that no combination of their name and CC# will work in decrypting their ebooks.</p>
<p>There is a work-around. B&N's desktop apps for Mac and Windows (nook for Mac/PC, nookStudy) generate a log file that contains the encryption key. For Mac the log file can be found somewhere in [user folder]/Library/Application Support/Barnes & Noble/ and for Windows the log file can be found somewhere in C:\Users\admin\AppData\Roaming\Barnes & Noble\</p>
<p>In both cases, the log file will be called BNClientLog.txt</p>
<p>You will need to open the application, sign in to your account, and download your books, checking that you can read them in the application, and then quit the application.</p>
<p>Then you must open the log file in a text editor and search for CCHashResponseV1. Immediately after that text should be some more text, similar to ccHash: "rLYiGD+vcPoXvsj/87kDAb1AkBy="<p>
<p>Copy the text after ccHash, include the " marks. Save it in a new text file, with file name extension .b64</p>
<p>Follow the instructions below "Importing Existing Keyfiles:" to import that newly saved file into the preferences.</p>
<h3>Old instructions: Creating New Keys:</h3>
<p>On the right-hand side of the plugin’s customization dialog, you will see a button with an icon that looks like a green plus sign (+). Clicking this button will open a new dialog for entering the necessary data to generate a new key.</p>
<ul>
@ -48,7 +59,7 @@ li {margin-top: 0.5em}
<h3>Importing Existing Keyfiles:</h3>
<p>At the bottom-left of the plugin’s customization dialog, you will see a button labeled "Import Existing Keyfiles". Use this button to import existing ‘.b64’ key files. Key files might come from being exported from this or older plugins, or may have been generated using the original i♥cabbages script.</p>
<p>At the bottom-left of the plugin’s customization dialog, you will see a button labeled "Import Existing Keyfiles". Use this button to import existing ‘.b64’ key files. Key files might come from being exported from this or older plugins, or may have been generated using the original i♥cabbages script, or you may have made it by following the instructions above.</p>
<p>Once done creating/deleting/renaming/importing decryption keys, click Close to exit the customization dialogue. Your changes wil only be saved permanently when you click OK in the main configuration dialog.</p>
<p>This plugin removes DRM from ebooks when they are imported into calibre. If you already have DRMed ebooks in your calibre library, you will need to remove them and import them again.</p>
printu"{0} v{1}: Copying needed libraries from zip".format(PLUGIN_NAME,PLUGIN_VERSION)
os.mkdir(self.verdir)
forentry,datainlib_dict.items():
file_path=os.path.join(self.alfdir,entry)
os.remove(file_path)
open(file_path,'wb').write(data)
exceptException,e:
traceback.print_exc()
raise
definitialize(self):
printu"{0} v{1}: In initialize".format(PLUGIN_NAME,PLUGIN_VERSION)
# convert old preferences, if necessary.
try:
fromcalibre_plugins.dedrm.prefsimportconvertprefs
convertprefs()
except:
traceback.print_exc()
defePubDecrypt(self,path_to_ebook):
# Create a TemporaryPersistent file to work with.
# Check original epub archive for zip errors.
@ -298,63 +318,63 @@ class DeDRM(FileTypePlugin):
# Return the modified PersistentTemporary file to calibre.
returnof.name
# perhaps we need to get a new default ADE key
printu"{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME,PLUGIN_VERSION,time.time()-self.starttime)
# perhaps we need to get a new default ADE key
printu"{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME,PLUGIN_VERSION,time.time()-self.starttime)
# Return the modified PersistentTemporary file to calibre.
returnof.name
printu"{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME,PLUGIN_VERSION,time.time()-self.starttime)
exceptException,e:
pass
printu"{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME,PLUGIN_VERSION,time.time()-self.starttime)
exceptException,e:
pass
# Something went wrong with decryption.
printu"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds.\nRead the FAQs at Alf's blog: http://apprenticealf.wordpress.com/".format(PLUGIN_NAME,PLUGIN_VERSION,time.time()-self.starttime)
This ReadMe_First.txt is meant to give users a quick overview of what is available and how to get started. This document is part of the Tools v6.0.5 archive from Apprentice Alf's Blog: http://apprenticealf.wordpress.com/
This ReadMe_First.txt is meant to give users a quick overview of what is available and how to get started. This document is part of the Tools v6.1.0 archive from Apprentice Alf's Blog: http://apprenticealf.wordpress.com/
The is archive includes tools to remove DRM from:
@ -71,7 +71,7 @@ For more detailed instructions, see the DeDRM_App_ReadMe.txt file in the DeDRM_W
Other_Tools
-----------
This folder includes other tools that may be useful for DRMed ebooks from certain sources or for Linux users. Most users won't need any of these tools.
This is now a separate archive and includes other tools that may be useful for DRMed ebooks from certain sources or for Linux users. Most users won't need any of these tools.
Key_Generation_Scripts
This folder contains python scripts that creates a keyfiles for Barnes and Noble ePubs, Adobe Digital Editions ePubs and Kindle for Mac/PC ebooks.
Apprentice Alf
10 years ago