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Is there a installer out there, such as InstallShield, Wise or any other, that lets me perform the compression (any format) on an encrypted file, if I give it the passphrase that I used when encrypting the file?
Basically, I have a bunch of files that...
Started by DevCompany on
, 10 posts
by 10 people.
Answer Snippets (Read the full thread at serverfault):
Encrypted files look like random noise, and there's no way to compress random data are lucky....
What encryption tool are you using?
As mentioned, encrypted filesSadly, No.
For to compress as well as encrypt.
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I want to compress some files (into the ZIP format) and encrypt them if possible using C#. Is there some way to do this?
Can encryption be done as a part of the compression itself?
Started by Niyaz on
, 10 posts
by 10 people.
Answer Snippets (Read the full thread at stackoverflow):
GZip : A single file compressed with deflate-in....
The most popular one.
They can be done chained (encrypt a compressed stream or compress a Zip file to compress the data.
In the System.Security namespace.
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I have an encrypted file (AES Symmetric encryption).For backup purposes and to save disk space, Can I compress (lossless) the file without worrying about messing up the decryption? If so, can you recommend some good compression programs for this purpose...
Started by BlueGene on
, 12 posts
by 12 people.
Answer Snippets (Read the full thread at serverfault):
You should compress the file first (while it still behaves in a way data is indistinguishable....
But since encrypted data is very similar to random data, it doesn't compress very well - so will save little if any space.
files.
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Greetings!
Anyone using Red gate (www.red-gate.com) or another third party tool to do this?
We use SQL 2008 Web Edition.
Thanks!
Started by samsmith on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at serverfault):
We have....
In the same way, you canSQL 2008 has the native abilty to compress backups and when the database uses tranparent data features and they work a treat.
Xp_cmdshell to compress your .BAK file after sql server has dumped it out.
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Hi,
I can compress files or folders in Windows from GUI by right clicking and selecting "Send to .. Compressed (zip) file..".
Is it possible to do same in batch file?
Started by Harriv on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
Is easy to use and free! A command line example to compress a bunch of files with the bak extension to ZIP.
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I want to encrypt a file. The file may be a wide range of file types, but I have to encrypt and decrypt successfully.
I have been unable to find a solution that can encrypt all files.
Can anyone provide me with some ideas and links on how to get started...
Started by karthik on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
As mentioned by Brian, the file contents shouldn't matter: bytes are bytes.
Here's methods in its framework.
Your choice of compression will be affected by the file content, but not encryption.
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I have a number of folders on my HDD that have been encrypted using the build-in XP folder encryption.
How can I get a list of all of the locations that have been encrypted? Search doesn't seem to have an option for it.
Started by chris on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Change the color that Windows Explorer uses to display the files....
Use the CIPHER command.
How can I find all the encrypted files in Windows XP?
You can use any of the following 3 methods to locate encrypted files:
1.
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I want to use highly secure encryption for zipped files via Linux/Ubuntu using a command line terminal, what is the best command line tool to get this job done?
zip -e -P PASSWORD file1 file2 file3 file4
Or
7za a file.7z *.txt -pSECRET
What encryption...
Started by Daniel on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Than any of the "standard" methods or encrypting a zip format file (many of which date back years are encrypting files to send to someone else, GPG would be better (see https://help.ubuntu.com/community files regularly....
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I need to write code that picks up PGP-encrypted files from an FTP location and processes them. The files will be encrypted with my public key (not that I have one yet). Obviously, I need a PGP library that I can use from within Microsoft Access. Can ...
Started by stucampbell on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
We have a batchfile that does the decryption....
PGP has a commandline option for decrypting files.
Think about be run external command-line PGP utility.
Data, (or a pointer to a key file on disk), and a passpsshrase to decode files....
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I need to compress multiple files into a single archive using Delphi. I'd prefer to use freeware components or open-source components because I am very very cheap :-)
My primary requirements are:
Possible to encrypt the archive Can create common archives...
Started by Mick on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at stackoverflow):
If you need to add zip-unzip functionality to your application,KAZIP Menndez.Functions:Adding Files, Folders, Streams; Selecting, Deselecting, Checking;Extracting to files and streams;Delete and Rename....
Creating temporary files, etc.
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