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Posted to dev@poi.apache.org by bu...@apache.org on 2018/10/09 13:54:46 UTC
[Bug 62811] New: POI Encryption didn't work with 4.0.0 but did work
with 3.17
https://bz.apache.org/bugzilla/show_bug.cgi?id=62811
Bug ID: 62811
Summary: POI Encryption didn't work with 4.0.0 but did work
with 3.17
Product: POI
Version: 4.0.0-FINAL
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: POI Overall
Assignee: dev@poi.apache.org
Reporter: john.kleiser@gmail.com
Target Milestone: ---
Created attachment 36193
--> https://bz.apache.org/bugzilla/attachment.cgi?id=36193&action=edit
Example of file produced.
Using the code from https://poi.apache.org/encryption.html
POIFSFileSystem fs = new POIFSFileSystem();
EncryptionInfo info = new EncryptionInfo(EncryptionMode.agile);
// EncryptionInfo info = new EncryptionInfo(EncryptionMode.agile,
CipherAlgorithm.aes192, HashAlgorithm.sha384, -1, -1, null);
Encryptor enc = info.getEncryptor();
enc.confirmPassword("foobaa");
// Read in an existing OOXML file
OPCPackage opc = OPCPackage.open(new File("..."), PackageAccess.READ_WRITE);
OutputStream os = enc.getDataStream(fs);
opc.save(os);
opc.close();
// Write out the encrypted version
FileOutputStream fos = new FileOutputStream("...");
fs.writeFilesystem(fos);
fos.close();
This works fine with 3.17 but doesn't work with 4.0.0. It just creates a 2k
file that Microsoft Excel won't open.
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[Bug 62811] POI Encryption didn't work with 4.0.0 but did work with
3.17
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62811
John Kleiser <jo...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from John Kleiser <jo...@gmail.com> ---
Yes adding os.close() as below resolves the issue. Thank you.
POIFSFileSystem fs = new POIFSFileSystem( );
EncryptionInfo info = new EncryptionInfo( EncryptionMode.agile );
// EncryptionInfo info = new EncryptionInfo(EncryptionMode.agile,
// CipherAlgorithm.aes192, HashAlgorithm.sha384, -1, -1, null);
Encryptor enc = info.getEncryptor( );
enc.confirmPassword( "foobar" );
// Read in an existing OOXML file
OPCPackage opc = OPCPackage.open( new File( "input.xlsx" ),
PackageAccess.READ_WRITE );
OutputStream os = enc.getDataStream( fs );
opc.save( os );
opc.close( );
os.close( );
// Write out the encrypted version
FileOutputStream fos = new FileOutputStream( "output.xlsx" );
fs.writeFilesystem( fos );
fos.close( );
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[Bug 62811] POI Encryption didn't work with 4.0.0 but did work with
3.17
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62811
Andreas Beeker <ki...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
--- Comment #1 from Andreas Beeker <ki...@apache.org> ---
Before I try to reproduce it, please add that "os.close()" before calling
"fs.writeFilesystem()".
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[Bug 62811] POI Encryption didn't work with 4.0.0 but did work with
3.17
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62811
John Kleiser <jo...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
CC| |john.kleiser@gmail.com
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[Bug 62811] POI Encryption didn't work with 4.0.0 but did work with
3.17
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62811
--- Comment #3 from Andreas Beeker <ki...@apache.org> ---
fixed the documentation via r1843348
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