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Add back unpad to fix Python2 support

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NoDRM
2022-03-19 10:14:45 +01:00
parent cf095a4171
commit b283777c0a
10 changed files with 109 additions and 29 deletions
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13
DeDRM_plugin/adobekey_get_passhash.py
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@@ -23,10 +23,17 @@ import sys, os, time
import base64, hashlib
try:
from Cryptodome.Cipher import AES
from Cryptodome.Util.Padding import unpad
except ImportError:
from Crypto.Cipher import AES
from Crypto.Util.Padding import unpad
def unpad(data, padding=16):
if sys.version_info[0] == 2:
pad_len = ord(data[-1])
else:
pad_len = data[-1]
return data[:-pad_len]
PASS_HASH_SECRET = "9ca588496a1bc4394553d9e018d70b9e"
@@ -48,7 +55,7 @@ def decrypt_passhash(passhash, fp):
hash_key = hashlib.sha1(bytearray.fromhex(serial_number + PASS_HASH_SECRET)).digest()[:16]
encrypted_cc_hash = base64.b64decode(passhash)
cc_hash = unpad(AES.new(hash_key, AES.MODE_CBC, encrypted_cc_hash[:16]).decrypt(encrypted_cc_hash[16:]), 16)
cc_hash = unpad(AES.new(hash_key, AES.MODE_CBC, encrypted_cc_hash[:16]).decrypt(encrypted_cc_hash[16:]))
return base64.b64encode(cc_hash).decode("ascii")