Index was outside the bounds of the array. Exception when encrypting a file

[andrey.v...@targetprocess.com]

The version used is 1.9.0. The sample code below:

        PGPLib pgp = new PGPLib();

        // should output be ASCII or binary

        bool asciiArmor = false;

        // encrypt

        pgp.EncryptFile(@"c:\queue\eurams1app1plugins_20190324001005.bak", @"c:\key\sqlbackupPubKey",

        @"c:\queue\eurams1app1plugins_20190324001005.bak.pgp", asciiArmor);

StackTrace:

   at DidX.BouncyCastle.Utilities.Zlib.Tree.d_code(Int32 dist)

   at DidX.BouncyCastle.Utilities.Zlib.Deflate.compress_block(Int16[] ltree, Int16[] dtree)

   at DidX.BouncyCastle.Utilities.Zlib.Deflate._tr_flush_block(Int32 buf, Int32 stored_len, Boolean eof)

   at DidX.BouncyCastle.Utilities.Zlib.Deflate.deflate_slow(Int32 flush)

   at DidX.BouncyCastle.Utilities.Zlib.Deflate.deflate(ZStream strm, Int32 flush)

   at DidX.BouncyCastle.Utilities.Zlib.ZOutputStream.Write(Byte[] b, Int32 off, Int32 len)

   at DidX.BouncyCastle.Utilities.IO.FilterStream.Write(Byte[] buffer, Int32 offset, Int32 count)

   at DidX.BouncyCastle.Bcpg.BcpgOutputStream.PartialFlush(Boolean isLast)

   at DidX.BouncyCastle.Bcpg.BcpgOutputStream.WritePartial(Byte[] buffer, Int32 off, Int32 len)

   at DidX.BouncyCastle.Bcpg.BcpgOutputStream.Write(Byte[] buffer, Int32 offset, Int32 count)

   at DidX.BouncyCastle.Utilities.IO.FilterStream.Write(Byte[] buffer, Int32 offset, Int32 count)

   at DidiSoft.BC.BaseLib. (Stream , Stream )

   at DidiSoft.Pgp.PGPLib. (FileInfo , PgpPublicKey[] , FileInfo , Boolean , Boolean , Boolean )

   at DidiSoft.Pgp.PGPLib. (FileInfo , PgpPublicKey[] , FileInfo , Boolean , Boolean )

   at DidiSoft.Pgp.PGPLib.EncryptFile(String dataFileName, Stream publicKeyStream, String outputFileName, Boolean asciiArmor, Boolean withIntegrityCheck)

   at DidiSoft.Pgp.PGPLib.EncryptFile(String dataFileName, String publicKeyFile, String outputFileName, Boolean asciiArmor, Boolean withIntegrityCheck)

   at DidiSoft.Pgp.PGPLib.EncryptFile(String dataFile, String publicKeyFile, String outputFile, Boolean asciiArmor)

   at PgpConsoleApp.Program.Main(String[] args) in C:\Users\vaskovskiy\source\repos\PgpConsoleApp\PgpConsoleApp\Program.cs:line 20

[DidiSoft Support]

Hi Andrey,

Can you send me a test file that throws this exception to our support email support(at)didisoft.com ?

Kind Regards
Peter Kalef
Technical Support
DidiSoft Inc | Phone: +1-256-907-7816 | Fax: +1-256-907-7816 | Web: www.didisoft.com

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[andrey.v...@targetprocess.com]

The file is rather big, 55.9 MB compressed. I can not attach it here

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[DidiSoft Support]

Hi Andrey,

Please download the updated version 1.9.0.22 where this should have been fixed.

https://storage.googleapis.com/didisoftdownload/OpenPGP_Library_Setup_Trial.exe

or NuGet

Update-Package DidiSoft.Pgp.Trial

Kind Regards
Peter Kalef
Technical Support
DidiSoft Inc | Phone: +1-256-907-7816 | Fax: +1-256-907-7816 | Web: www.didisoft.com

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[andrey.v...@targetprocess.com]

Hi, indeed the issue is not reproducible with the new version. Thanks

[DidiSoft Support]

You are welcome:)

Kind Regards
Peter Kalef
Technical Support
DidiSoft Inc | Phone: +1-256-907-7816 | Fax: +1-256-907-7816 | Web: www.didisoft.com

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[andrey.v...@targetprocess.com]

Just one moment...the decrypted file is much smaller than the original file. 884 MB - before decryption and 39.0 MB after

[andrey.v...@targetprocess.com]

Seems like file is not fully restored to it's original size after decryption

[DidiSoft Support]

Hi Andrey,

Which version of .NET Framework are you using ?

Kind Regards
Peter Kalef
Technical Support
DidiSoft Inc | Phone: +1-256-907-7816 | Fax: +1-256-907-7816 | Web: www.didisoft.com

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[andrey.v...@targetprocess.com]

Hi, I'm using .NET 4.5.

The test below fails. Legths differ

PGPLib pgp = new PGPLib();

        // should output be ASCII or binary

        bool asciiArmor = false;

        // encrypt

        pgp.EncryptFile(@"c:\queue\eurams1app1plugins_20190324001005.bak", @"c:\key\sqlbackupPubKey",

        @"c:\queue\eurams1app1plugins_20190324001005.bak.pgp", asciiArmor);

        pgp.DecryptFile(@"c:\queue\eurams1app1plugins_20190324001005.bak.pgp", @"c:\key\secret.asc", "MYPASSWORD",

@"c:\queue\eurams1app1plugins_20190324001005.bak.restore");

        Debug.Assert(new FileInfo(@"c:\queue\eurams1app1plugins_20190324001005.bak").Length ==

                     new FileInfo(@"c:\queue\eurams1app1plugins_20190324001005.bak.restore").Length);

[andrey.v...@targetprocess.com]

I guess the best way is to send you the original file with keys and password to reproduce the error

[DidiSoft Support]

Hi Andrey,

The file and public key will be enough. I will create test public and private key based on the algorithm preferences of your public key.

Kind Regards
Peter Kalef
Technical Support
DidiSoft Inc | Phone: +1-256-907-7816 | Fax: +1-256-907-7816 | Web: www.didisoft.com

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[andrey.v...@targetprocess.com]

https://www.dropbox.com/s/vws2w87gknwh1qb/eurams1app1plugins_20190324001005.zip?dl=0

That's the link to the file...the file is password protected, let me know where I can send you the password