Programming :: C++ GUI Signalling - Encryption System Should Encrypt The Data In The Clipboard
May 30, 2011
I'm trying to write a GUI text encryption application. I wrote the encryption system in a No GUI application like this::
[Code]...
Now I'm trying to write a GUI version, using the same algorithm. Here goes a rough image of my main window code. If you scroll down you'll observe a coloured part. As you see, the text in the first textbox gets copied into clipboard. That is the part where my encryption system should encrypt the data in the clipboard, and copy it again, and later on the new data will be pasted. How am I supposed to write that? If I have to use another signal, what is the receiver of that signal?
[Code]...
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Jul 8, 2010
I want to encrypt a text using rsa encryption method. I did it using command openssl but i want it using my library api, the library api is as, int rsa_calc (unsigned char * msg, unsigned char * mod, int count, int exp, unsigned char result); I can't understand how i input public key (.pem file) and what will be the modulus (unsigned char * mod) and exponent (int exp) for any text.Is there any kind of formula to calculate modulus and exponent of the text.
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Dec 23, 2010
I am working on an application in Motif and C++, which uses an XRT Table. With the XRT Table being an infrequently used product, it is hard to find good documentation on it, and one area in particular is sorely lacking... a good explanation on how to copy text from the table to the clipboard used by other X11 applications. I've come across an example application that demonstrates how to copy text to the clipboard, but I cannot seem to merge that knowledge with what I'm provided with the XRT Table API. Does anyone have any knowledge in using the XRT Table, and in particular, with copying selected fields within the table to the clipboard?
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May 14, 2009
I highlight text in an email, "cut". Right click KGPG, encrypt clipboard, select my own public key, go back to email and "paste" and it appears in plaintext! WTF I tested it in kwrite too. Wrote the text "hello world", highlight, cut, encrypt clipboard, select my public key, paste, "hello world" appears! WTFx2
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Mar 20, 2011
Is LUKS the best data/system encryption? Or is there one that is even better and stronger?
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Mar 23, 2010
I have a program which is uses sigaction to register for a SIGIO signal (for incoming data on a fd) with an appropriate event handler. I also create a new detached thread 'B' that does some work with the received data. Normally the thread B runs properly. But when my event handler is called (because a there is new incoming data), after the event is handled, the thread B is not called immediately. There is a noticeable delay of the order of many seconds before it is scheduled again .During this delay, my program is doing nothing.
What am i doing wrong? Is there someway i can run thread B as soon as the event is handled (and assuming no other work is to be carried out)?
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Nov 11, 2010
there is one problem i encountered here while working with Embedded Artist board or Lpc 2478 uclinux.so my questions.what type of encryption does this uclinux use to encrypt the password?instead of using these 2 username and password,can i put my own password and username?
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Feb 9, 2011
I'm running a program called Synergy+ to let my keyboard and mouse control multiple computers. One of Synergy+'s features is that clipboard (copy-paste) data is able to be shared, as in copy on one machine, paste onto another. I would like this functionality removed but Synergy+ has no way to disable it. I'm looking for any ideas to block clipboard data from being transferred. Is there a way to block a program from accessing the machine's clipboard data?
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Mar 4, 2010
How can I do some socket programming using which I can send some data from a linux system to a windows system and vice versa. Can we do that using the IO:Socket:INET perl module??
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Nov 30, 2010
If I have a partition like /dev/hd1 that is unencrypted and want it to be encrypted, but want to keep everything currently in that partition, how can I do that?
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Apr 18, 2010
Folks:What can I use to encrypt all data on my USB flash drive? If possible, could I use something that has a public Key, so I do not have to type in a password to access the information when I plug the drive into my machie, but will not open or display contant if the drive is plugged into anyone else's machine, unless they have the public key?
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Mar 18, 2011
I'd like to have a Linux machine run what Windows users typically call a clipboard as a network service on my small LAN (about 10 machines). More specifically I am looking to have Linux run the clipboard service centrally in the LAN with both Windows and *nix machines able to connect to it as opposed to the peer-to-peer sync model that I am seeing in almost all of the applications I've discovered thus far.
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Jan 21, 2010
I just tried out setting a master password for Firefox saved passwords and compared the old and new (before and after setting the master password) signons.sqlite files. Although passwords were not stored in plain text in either of the files, I did notice that the files were exactly the same. Am I wrong in assuming that setting the master password did not encrypt anything at all, or am I simply looking at the wrong file?
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May 7, 2010
get data(like CPU Usage, Memory Usage) of a windows system through my Linux server.Because I want to monitor all the systems that are in my network. How to get data from a windows system into linux ?
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Mar 24, 2011
I have a requirment where I have to store some data before the system goes to hibernate.
How the kernel intimates to the application when it goes to hibernate. Is there any event or a signal that kernel posts to all applications?
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Jan 19, 2010
I want to use system clipboard of vim in the termal of X mode, not text mode. But when I type reg command in vim, I haven't seen the system clipboard, And I can't copy the content of vim to other applications, such as firefox. My version is as follows : Fedora release 12 (Constantine) I have installed vim rpms as follows:
Quote:
rpm -qa |grep vim
vim-enhanced-7.2.315-1.fc12.i686
vim-minimal-7.2.315-1.fc12.i686
vim-common-7.2.315-1.fc12.i686
vim-X11-7.2.315-1.fc12.i686
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Aug 28, 2010
I having a hard time figuring out why this code works in an interactive ipython shell, but it gives a blank clipboard when run in a bash terminal.
Code:
#! /usr/bin/python2.6
#
[code]...
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Sep 11, 2010
I would like to set Y and P to copy and paste directly to the system clipboard instead of vim buffer. I don't want any additional commands. Just the normal ones, but they should copy to and paste from the system clipboard and bypass the vim buffer.
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Jan 24, 2010
How I send clipboard to festival or what is wrong here? #!/bin/bash
text='xclip -selection clipboard -o'
echo '(voice_nitech_us_awb_arctic_hts) (SayText "$text")' | festival
Says only "dollar text" to me. Just this works, but I want other script with different voice: #!/bin/bash
xclip -selection clipboard -o | festival --tts Voice changed here: echo '(voice_nitech_us_awb_arctic_hts) (SayText "say this please")' | festival
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Apr 23, 2011
I'm trying to backup my old PC games so that I can finally banish their CDs to the attic once and for all. I've just been using the DD command to grab iso's of my games so far, while keeping their keys in a text file (see the DD command below). However, I just hit my C&C collection and I'm having some problems with some of the newer games like Renegade and Yuri's Revenge. I think they must be copy protected or something. 4 of my last discs have stopped copying at exactly 1.7MB (3 seperate DVD drives, 2 IDE, 1 USB enclosed). Can you guys think of anything else that will cause DD to fail at this location? Any ideas? I'd prefer it to be a command line option, as I'm trying to make things go as quickly as possible. Here's the command I've been using. code...
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Feb 12, 2010
I am investigating full disk encryption and have made a DD copy of the hard drive which has been encrypted, this DD file is stored on my computer for analysis.
First question is - Anyone know how i can access data in this DD file even though its been encrypted?
Second question - Is there a DD command where i can image the systems memory? I ask this because when a system is turned on, to get past the pre-boot authentication stage you need a password. From what i understand, this password will be passed in to ram when power is applied to the system. Making a copy of the memory will also copy the password?
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Jan 8, 2010
I Have shell script like this
Code:
#!/usr/bin/expect
set password "XXXXXXXX"
[code]...
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Apr 19, 2011
I am developing a program in a system where the Linux does not take care of the sync command automatically. So I have to run it from my application always I save some data in the disk, which in my case is a 2GB sdcard. It is true that I can make the operation system takes care of the syncronization, using a proper mount option, but in this case the programm's performance drops drastically. In particular I use the shelve module from Python to save data that comes from a socket/TCP connection and I have to deal with the potencial risk of the system being turned off suddenly Initially I wrote something like that to save data using shelve:
Code:
def saveData(vo)
fd = shelve.open( 'fileName' , 'c')
fd[ key ] = vo
fd.close()
os.system("sync")
But that takes too much time to save the data. Note that I use the sync from the OS every time I close a file to prevent data corruption in the case of the "computer" being turned off with data even in the buffer. To improve the performance I made something like that:
Code:
def saveListData( list )
fd = shelve.open('file_name', 'c')
for itemVo in list:
fd[itemVo.key] = itemVo
fd.close()
os.system("sync")
Thus, first I saved an amount of objects in a list then I open the file and save the objects. In this way I have to open the file just one time to save a lot of objects.However I would like to know if adding a lot of objects before closing the file would increase the risk of data corruption.I known that turning off the system after fd.close() and before os.sync may cause problems. But what about turning off the system after
Code:
fd = shelve.open('file_name', 'c')
but before fd.close()?
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Jul 26, 2013
How do you set up a command just to copy a file's full path name (%F) onto the clipboard?(I can't seem to get this without copying the contents of the file.)
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Jan 17, 2010
Is the encrypt system during the install part of the SE Linux or is a whole other thing and another question maybe a sounding a little conspiracy but SE linux is made by the NSA can I trust SE linux and it not be a backdoor to my stuff
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Feb 22, 2011
1- I want to encrypt my system drive
2 - I want to make my system drive a RAID 1
3 - I have two 1 T hard drives, but I would like to be able to add two more 1 T hard drives for a total of 4 1T drives in the future. How do I do that?
I am using ubuntu 10, desktop edition. I have not added the OS yet, I am building this weekend.
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Jul 8, 2010
i have a centos 5.4 without desktop environment. i can only access certain system settings via browser (and of course console). i would like to encrypt some folders. but these folders are used by the system. can i encrypt them? will the system still be able to access these folders? if yes, how can i encrypt only through console or is there something web based software for this?
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Jan 6, 2011
I want encrypt my fedora file system.
How to i can encrypt ext3 or ext4 file system.
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Jul 11, 2009
I recently installed Fedora 11 64bit and I am curious about encrypting my entire file system for security purposes. I've been on Google for a while now and I keep finding info on how to encrypt a specific folder or home directories but nothing on the entire file system (or I'm missing something big here). It's hard for me to imagine that it isn't. If so, do I need to encrypt the partition my file system is on before installing it? What software should I use? There seems to be so many, it's difficult to keep them all straight.
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Sep 20, 2010
I would like to ask you if you know any hardware usb devices that can encrypt their data. Are these usb devices( flash disks) linux compliant?
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