Questions tagged [pkware]
7 questions
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What File Format Has This Magic Header?
I've got a bunch of files that from metadata I can tell are supposed to be PDFs. Some of them are indeed complete PDFs. Some of them appear to be the first part of a PDF file, though they lack the %%EOF and other footer values.
Others appear to be…
Hammer Bro.
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How to extract a password protected zip file that is zipped using PKWARE SecureZip in Python? (Windows 10)
I'm trying to extract contents of password protected zip files that have been zipped using PKWARE SecureZip in Python.
Modules that I've tried already are zipfile and pyzipper. But methods of these modules always return 'NotImplementedError: strong…
Pradeep Kumar N
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where to store AES information in ZIP
I'm adding aes encryption to the zip but I have some doubts.
1 - Where is the IV stored to be restored by other compactors?
2 - Will the encryption header continue to be 12 bytes?
3 - Where do you say the zip will be encrypted with AES? I added in…
Bruno da Silva
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Why is there no compressor for DCL Implode?
Why is there no open source implementation of the PKWare Data Compression Library's Implode? This is compression method 10, not 6.
There are many versions of decompressors. Is it very hard to do the reverse and write a compressor? I'm interested in…
Drazisil
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PHP8 ZipArchive EM constant TRAD_PKWARE not working
i used ZipArchive::EM_TRAD_PKWARE, with password, but zip file is not encrypted. I think that pkware not working. Have solutions ?
Thx
$zip->setEncryptionName('test.txt', ZipArchive::EM_TRAD_PKWARE, 'PASSWORD');
Lukáš Mesároš
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PKWARE ZIP Central Directory Encryption
In ZIP File Format Specification v6.3.5 there is 7.3 Single Password - Central Directory Encryption.
It seems that only on application support this feature SecureZip by PKWARE. Does anyone know how exactly this feature is implemented? I am looking…
Oleg Cherednik
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PKWARE Strong Encryption Algorithm
I wonder about PKWARE Strong Encryption algorithm.
ZIP File Format Specification v6.3.5 says about Strong Encryption by PKWARE (7.0 Strong Encryption Specification). This description is not completed and it's impossible to implement this encryption…
Oleg Cherednik
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