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Fix RSA.import_key (fixes #101)

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Apparently "import_key" only exists in newer versions (as an alias to
"importKey"). "importKey" works in all versions ...
This commit is contained in:
NoDRM 2022-07-16 09:48:27 +02:00
parent 077e8f5c2a
commit c15135b12f
3 changed files with 3 additions and 3 deletions
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2
CHANGELOG.md
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@ -69,4 +69,4 @@ List of changes since the fork of Apprentice Harper's repository:
## Fixes on master (not yet released):
- (None)
- Fix a bug introduced with #48 that breaks DeDRM'ing on Calibre 4 (fixes #101).

2
DeDRM_plugin/ineptepub.py
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@ -302,7 +302,7 @@ def decryptBook(userkey, inpath, outpath):
if len(bookkey) != 64:
# Normal or "hardened" Adobe ADEPT
rsakey = RSA.import_key(userkey) # parses the ASN1 structure
rsakey = RSA.importKey(userkey) # parses the ASN1 structure
bookkey = base64.b64decode(bookkey)
if int(keytype, 10) > 2:
bookkey = removeHardening(rights, keytype, bookkey)

2
DeDRM_plugin/ineptpdf.py
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@ -1669,7 +1669,7 @@ class PDFDocument(object):
def initialize_ebx_inept(self, password, docid, param):
self.is_printable = self.is_modifiable = self.is_extractable = True
rsakey = RSA.import_key(password) # parses the ASN1 structure
rsakey = RSA.importKey(password) # parses the ASN1 structure
length = int_value(param.get('Length', 0)) // 8
rights = codecs.decode(param.get('ADEPT_LICENSE'), 'base64')
rights = zlib.decompress(rights, -15)