Recent Failures - Unable to DeDRM PDF Files from ADE

[edmc774]

Environment: macOS Monterey 12.1 Calibre 5.34 ADE Version 4.5.11.187606

calibre Debug log calibre 5.34 embedded-python: True is64bit: True macOS-10.16-x86_64-i386-64bit Darwin ('64bit', '') ('Darwin', '21.2.0', 'Darwin Kernel Version 21.2.0: Sun Nov 28 20:28:54 PST 2021; root:xnu-8019.61.5~1/RELEASE_X86_64') Python 3.8.5 OSX: ('10.16', ('', '', ''), 'x86_64') Interface language: None Successfully initialized third party plugins: DeDRM (7, 2, 1) && Obok DeDRM (7, 2, 1) && Quality Check (1, 11, 4) calibre 5.34 embedded-python: True is64bit: True macOS-10.16-x86_64-i386-64bit Darwin ('64bit', '') ('Darwin', '21.2.0', 'Darwin Kernel Version 21.2.0: Sun Nov 28 20:28:54 PST 2021; root:xnu-8019.61.5~1/RELEASE_X86_64') Python 3.8.5 OSX: ('10.16', ('', '', ''), 'x86_64') Interface language: None Successfully initialized third party plugins: DeDRM (7, 2, 1) && Obok DeDRM (7, 2, 1) && Quality Check (1, 11, 4) devicePixelRatio: 1.0 logicalDpi: 72.0 x 72.0 physicalDpi: 81.00000121649796 x 82.00000123151646 Using calibre Qt style: False [0.00] Starting up... [0.03] Showing splash screen... [0.27] splash screen shown [0.27] Initializing db... [0.32] db initialized [0.32] Constructing main UI... DEBUG: 0.0 obok::utilities.py - loading translations DEBUG: 0.0 obok::dialogs.py - loading translations DEBUG: 0.0 obok::config.py - loading translations DEBUG: 0.1 obok::action_err.py - loading translations [5.44] main UI initialized... [5.44] Hiding splash screen Starting QuickView libpng warning: iCCP: known incorrect sRGB profile DeDRM v7.2.1: Trying to decrypt Lean but Agile-1.pdf DeDRM v7.2.1: Lean but Agile-1.pdf is a PDF ebook DeDRM v7.2.1: Trying Encryption key default_key DeDRM v7.2.1: Exception when decrypting after 0.1 seconds Traceback (most recent call last): File "calibre_plugins.dedrm.init", line 436, in PDFDecrypt result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name) File "calibre_plugins.dedrm.ineptpdf", line 2178, in decryptBook serializer = PDFSerializer(inf, userkey) File "calibre_plugins.dedrm.ineptpdf", line 1984, in init doc.initialize(userkey) File "calibre_plugins.dedrm.ineptpdf", line 1469, in initialize return self.initialize_ebx(password, docid, param) File "calibre_plugins.dedrm.ineptpdf", line 1599, in initialize_ebx bookkey = rsa.decrypt(bookkey) File "calibre_plugins.dedrm.ineptpdf", line 390, in decrypt return _PKCS1_v1_5.new(self._rsa).decrypt(data, 172) File "Crypto/Cipher/PKCS1_v1_5.py", line 165, in decrypt ValueError: Ciphertext with incorrect length. DeDRM v7.2.1: Failed to decrypt with key default_key after 0.1 seconds DeDRM v7.2.1: Looking for new default Adobe Digital Editions Keys after 0.1 seconds DeDRM v7.2.1: Trying a new default key DeDRM v7.2.1: Exception when decrypting after 0.1 seconds Traceback (most recent call last): File "calibre_plugins.dedrm.init", line 487, in PDFDecrypt result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name) File "calibre_plugins.dedrm.ineptpdf", line 2178, in decryptBook serializer = PDFSerializer(inf, userkey) File "calibre_plugins.dedrm.ineptpdf", line 1984, in init doc.initialize(userkey) File "calibre_plugins.dedrm.ineptpdf", line 1469, in initialize return self.initialize_ebx(password, docid, param) File "calibre_plugins.dedrm.ineptpdf", line 1599, in initialize_ebx bookkey = rsa.decrypt(bookkey) File "calibre_plugins.dedrm.ineptpdf", line 390, in decrypt return _PKCS1_v1_5.new(self._rsa).decrypt(data, 172) File "Crypto/Cipher/PKCS1_v1_5.py", line 165, in decrypt ValueError: Ciphertext with incorrect length. DeDRM v7.2.1: Failed to decrypt with new default key after 0.1 seconds DeDRM v7.2.1: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md Running file type plugin DeDRM failed with traceback: Traceback (most recent call last): File "calibre/customize/ui.py", line 175, in _run_filetype_plugins File "calibre_plugins.dedrm.init", line 640, in run decrypted_ebook = self.PDFDecrypt(path_to_ebook) File "calibre_plugins.dedrm.init", line 515, in PDFDecrypt raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)) calibre_plugins.dedrm.DeDRMError: DeDRM v7.2.1: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md Traceback (most recent call last): File "calibre/customize/ui.py", line 432, in get_file_type_metadata File "calibre/customize/builtins.py", line 318, in get_metadata File "calibre/ebooks/metadata/pdf.py", line 124, in get_metadata ValueError: Could not read info dict from PDF Syntax Error: Couldn't find the 'EBX_HANDLER' security handler pdfinfo errored out with return code: 1 [20.03] splash screen hidden [20.03] Started up in 20.03 seconds with 1150 books Added Lean but Agile-1 to db in: 0.0 Added 1 books in 0.8 seconds

[ElleKayEm]

I believe this is a book with the hardened Adobe DRM which cannot be decrypted.

[kokowang8910]

experiencing the same case.