mirror of
https://github.com/noDRM/DeDRM_tools
synced 2024-12-27 21:59:11 +01:00
66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
|
'''
|
||
|
|
Extracts the user's ccHash from an .adobe-digital-editions folder
|
||
|
|
typically included in the Nook Android app's data folder.
|
||
|
|
|
||
|
|
Based on ignoblekeyWindowsStore.py, updated for Android by noDRM.
|
||
|
|
'''
|
||
|
|
|
||
|
|
import sys
|
||
|
|
import os
|
||
|
|
import base64
|
||
|
|
try:
|
||
|
|
from Cryptodome.Cipher import AES
|
||
|
|
except:
|
||
|
|
from Crypto.Cipher import AES
|
||
|
|
import hashlib
|
||
|
|
from lxml import etree
|
||
|
|
|
||
|
|
|
||
|
|
PASS_HASH_SECRET = "9ca588496a1bc4394553d9e018d70b9e"
|
||
|
|
|
||
|
|
def unpad(data):
|
||
|
|
|
||
|
|
if sys.version_info[0] == 2:
|
||
|
|
pad_len = ord(data[-1])
|
||
|
|
else:
|
||
|
|
pad_len = data[-1]
|
||
|
|
|
||
|
|
return data[:-pad_len]
|
||
|
|
|
||
|
|
def dump_keys(path_to_adobe_folder):
|
||
|
|
|
||
|
|
activation_path = os.path.join(path_to_adobe_folder, "activation.xml")
|
||
|
|
device_path = os.path.join(path_to_adobe_folder, "device.xml")
|
||
|
|
|
||
|
|
if not os.path.isfile(activation_path):
|
||
|
|
print("Nook activation file is missing: %s\n" % activation_path)
|
||
|
|
return []
|
||
|
|
if not os.path.isfile(device_path):
|
||
|
|
print("Nook device file is missing: %s\n" % device_path)
|
||
|
|
return []
|
||
|
|
|
||
|
|
# Load files:
|
||
|
|
activation_xml = etree.parse(activation_path)
|
||
|
|
device_xml = etree.parse(device_path)
|
||
|
|
|
||
|
|
# Get fingerprint:
|
||
|
|
device_fingerprint = device_xml.findall(".//{http://ns.adobe.com/adept}fingerprint")[0].text
|
||
|
|
device_fingerprint = base64.b64decode(device_fingerprint).hex()
|
||
|
|
|
||
|
|
hash_key = hashlib.sha1(bytearray.fromhex(device_fingerprint + PASS_HASH_SECRET)).digest()[:16]
|
||
|
|
|
||
|
|
hashes = []
|
||
|
|
|
||
|
|
for pass_hash in activation_xml.findall(".//{http://ns.adobe.com/adept}passHash"):
|
||
|
|
encrypted_cc_hash = base64.b64decode(pass_hash.text)
|
||
|
|
cc_hash = unpad(AES.new(hash_key, AES.MODE_CBC, encrypted_cc_hash[:16]).decrypt(encrypted_cc_hash[16:]))
|
||
|
|
hashes.append(base64.b64encode(cc_hash).decode("ascii"))
|
||
|
|
#print("Nook ccHash is %s" % (base64.b64encode(cc_hash).decode("ascii")))
|
||
|
|
|
||
|
|
return hashes
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
print("No standalone version available.")
|