Programming :: Encryption And Decryption Program In Java And Using RSA Algorithm?
Feb 25, 2011i need a program for Encryption and Decryption using RSA algorithm in JAVA ..
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Programming :: Encryption / Decryption Program - Getting Different Results Every Time
May 9, 2011I am having trouble with encryption/ decryption program. The program goes out and finds the file I want it to, encrypts it into a continuing series of a single repeated negative number, then generally decrypts(or should i say re-encrypts)it into a widely repeated character, different but same results every time.
[Code]....
Ubuntu :: C++ To Java Bitwise Encryption / Decryption?
Dec 21, 2010i'm having issues with my code (i'm kinda new to java).I'm trying to convert a c++ code snippet to java in order to use it in my application.Here's the C++ code
Code:
#ifndef _ENCRYPTOR_H_
#define _ENCRYPTOR_H_
[code]....
Programming :: Encryption And Decryption Of File?
Jun 24, 2009How to decrypt a file in openssl which is encrypted in perl using crypt cbc
View 2 Replies View RelatedProgramming :: Simulate A Serial Protocol In User Space Program To Test Reception Algorithm?
Jul 28, 2010I want to simulate a serial protocol in user space program to test reception algorithm. The protocol is similar to UART protocol but frame format is different. The duration of 1 bit is 114,46 us. In my main function I'm creating two threads. Tx for simulating transmitting data and Rx for reception data. For measure time I use create_timer() function and signals. Each thread has its own timer and signal handler. Tx timer uses SIGUSR1 and Rx timer uses SIGUSR2. Tx thread sets the global variable and Rx reads it.
The timers are set to sample with 114,46 us period. When they reach this value signal handler should set the flag. Flag is check in thread and some operation are made. When I set the timers period for longer time (100 ms) everything works fine but when I change it to default value (114,46 us) the Rx thread doesn't receive the proper data. I am wondering if the 114,46 timer period is possible to simulate in user space? Whether the time will give me the proper resolution ? Theoretically it should provide 1 ns resolution.
Ubuntu Security :: Encrypted Home Folders - Verify That It's Actually Performing The Encryption/decryption?
May 1, 2010I ticked the box for this when I installed Lucid, but how can I verify that it's actually performing the encryption/decryption?
View 4 Replies View RelatedUbuntu Security :: Algorithm Is Used With Full-Disk Encryption?
Oct 20, 2010For some reason I can't find any documentation re: the algorithm(s) used by Ubuntu to encrypt the filesystem... Anyone know what it is?? AES?
View 2 Replies View RelatedProgramming :: Debug Remotely A Java Program With Ddd?
Jun 4, 2011Is it possible to debug remotely a java program with ddd (data display debugger)?
View 2 Replies View RelatedProgramming :: Java Program Sshing To Server?
Aug 12, 2010I am trying to write a java program and eventually a web app to do the following.1. get the server name, username, password from the user and ssh to the linux box.2. goto a folder, open a script file (the file has different function calls, I need to comment all other function calls and just un-comment the one I want to use)
#call_1
call_2
#call_3
[code]....
Programming :: Java Program To Display All IP Addresses In LAN?
Feb 25, 2011I Want to Develop Network Scanner Software. For that i need "Java Program to Display All IP Addresses in LAN".
View 3 Replies View RelatedProgramming :: Restart The Program Execution - Java
May 3, 2011In gui validation if user enters string in integer requiring field, a dialog box pops out. So on clicking the button i want to stop the program execution and return to the previous jframe(either the same one or newly created object of it).
How can i handle this in java.
I tried calling main(); but it doesn't work.
Also System.exit(0); doensn't work.
Software :: Best Program To Write Algorithm?
Oct 5, 2010What would be the best program to write my algorithm, before sending them to my teacher?
View 4 Replies View RelatedProgramming :: Small Java Program To Manage 2 Apartments?
Feb 17, 2011this is my first post and I would like to get some help from you , so what should be the answer for this question ?:::::::::::::the question::::::::::::::::THE UNIVERSITY APARTMENTSThe University Apartments provides apartment rental to university students at affordable rates, with optional facilities:Apartment Type A, 2 bedrooms and equiped with kitchen and laundry facilities. The monthly rental for the rooms in this apartment type is RM300.Apartment Type B, 3 bedrooms includes one master bedroom with attached bathroom but does not have kitchen and laundry facilities. The monthly rental for the rooms in this apartment type is RM200 and students staying in the master bedroom will be paying an additional 40%.
Each apartment may house a maximum of 3 students. Students are required to check out from the apartment unit when the current semester ends.Create an application to manage the university apartments rental:1. Register new student and assign apartment moduleRegister and assigns an apartment to the student for 140 days from the date of registration. The module should retrieve the date automatically from the system clock and calculates the expiry date for the apartment rental. Before an apartment is assigned, the system should allow the selection of the type of apartment (i.e. Type A or B), then check for the number of occupants in the apartment. If the apartment already housed 3 students, it should recommend another apartment unit that is still available. Upon registration, student should pay a RM100 for the utility charges, rental deposit for one month and the rental for the current month.
2. Update apartment status moduleWhen a student moves out from an apartment, the apartment status is updated.3. Reporting moduleGenerates a report of apartments with full occupancy and another report for apartments where rooms are still available. 4. Search module Enable the administrator to search for a student's apartment unit using the student id as the search key. The search result should produce the student�s information and the details of the apartment that the student is staying in.The application should be developed using object-oriented concepts using Student class and Apartment class, implementing the appropriate data fields and methods for the classes. Data may be stored in collections i.e
Programming :: Where To Download To Learn / Program Java For System?
Oct 5, 2009I went to the sun website but all I see are upgrades to JDK 6, I dont see where to download the actual JDK.
Anyone know where I can download the JDK for Linux?
Debian Programming :: Memory Usage When Running Java Program
Jun 28, 2013I have a java program that runs on Debian as a background processor. Yesterday the Java program stopped running. I looked at the memory usage, the system only had 5MB memory left, so my guess is that the java program ran out of memory to use.
However, after we restarted the java program, we could see that the free memory count started to go up. It kept going up from 5MB to over 400MB. The increase of memory happened slowly, when I measured it, I could see that with each minute passing by, there were a bit more memory added into the free memory pool, and meanwhile, the java background process was running.
I wonder why this would ever happen. It's as if our java program first brought the machine done because it consumed all the memories, then after restart, it starts to give back memories.
Programming :: Java Program To Display IP Address And Host Names In Wireless?
Feb 25, 2011"Java Program to Display IP Address and Host Names in Wireless".
View 7 Replies View RelatedProgramming :: Using Java Runtime - Program Which Simply Calculates The Load Average Of A Process
Feb 10, 2011I'm new to the linux world and its been quit sometime since i've done any programming. However, I'm writing a program which simply calculates the load average of a process. In doing this I need to use the uptime command for linux in a java program. I've done a little bit of searching on the net and it mentions this is possiable by using java runtime command. Unfortunatly though I have yet to find a working example of this. I've tried just simply reading the /proc/uptime file but I have no clue how to format the 2 numbers in seconds to make it the same as if you just typed in uptime in the linux command prompt.
View 2 Replies View RelatedProgramming :: Implementation Of RSA Algorithm In C / C++
Aug 2, 2010Can I know the implemention of RSA(Encryption and decryption) algorithm in C / C++.
View 1 Replies View RelatedProgramming :: MD5 Algorithm Implementation
Apr 27, 2011I have a copy of the MD5 algorithm and I'm taking a look at the source. It's pretty interesting but there are a few things that I'm curious about and I was wondering if anyone a bit more intuitive than I could help me out.The function declarations in the MD5 files are a bit unfamiliar to me. There is a macro used called PROTO_LIST, which I'm still not sure as to what this thing is doing exactly, but it's littered everywhere throughout the source.The signature here isn't too unfamiliar to me with the exception of the position of the PROTO_LIST macro. So here is a function with an unnamed argument of type MD5_CTX*.To me, this resembles an initializer list found in C++ with constructors but I certainly don't think that is the case here. So my questions about this are (1) how is this legal code in C and (2) what functionality has the PROTO_LIST macro provided for the function?
View 3 Replies View RelatedProgramming :: Which Is Scheduling Algorithm Which Will Make Thread O?
May 4, 2011I have a timer thread, and when it expires, it sets a flag. The only problem is, if any higher priority thread comes in between, then the timer is not expired in real time.Thus i want to set a highest priority to my thread. Now, i know 2 algos, which can make my thread in real time are: SCHED_FIFO and SCHED_RR.
So, here are my queries: 1) Which scheduling algo is best suited for this purpose? 2) Is it guaranted to work in real time if i use that algo (you suggest in 1) and set the max_priority by getting the maximum settable priority for that particular algorithm using, int sched_get_priority_max(int policy);
Programming :: Algorithm For Binary Frequency Search?
Jul 16, 2010I've got a bit of an obscure question for you to test your brains a wee bit. I'm trying to implement a search program to find areas of high density in a binary string.
E.g.
Code:
[0001001010
0001110001
0000001000
1001000010
0101100100]
Where density is the number of 1's / number of digits with a maximum number of digits being the current number in a buffer (in this example 50). So for the example the density for the whole buffer is 15/50. But the density of Buffer[14..20]=[1110001]=4/7. So if looking for areas of density = 1/3 it would find the longest sequences of density over 1/3.So in the example. Buffer[4..9]=[100101]=3/6=1/2 which is above 1/3 but it is within the Buffer[4..48]=[100101000011100010000001000100100001001011001]=15/45=1/3
Programming :: Self Configurable Diagnosis Algorithm / Tcl Script?
Sep 13, 2010I have an algorithm guys called "Self Configurable Diagnosis Algorithm" but i don't have program for this.help me regarding that program and which type of Tcl script will be better suitable for that.
View 3 Replies View RelatedProgramming :: Template Algorithm For Std::vector And Std::string?
Sep 8, 2010I have two functions:
Quote:
void func1(std::string &s)
{
s.clear();
}
[code]....
Is there a way to create one template function for both vector and string that would clear them?
Programming :: Simulate Dijsktra's Algorithm Using Network Animator Of Ns2?
May 3, 2011I need to simulate dijsktra's algorithm using network animator of ns2. how to write a tcl script for my code. This tcl script runs the dijsktra code and simulates its running on network animator.
View 1 Replies View RelatedProgramming :: Algorithm For Finding The Shortest Path Between Geocoordinates?
Jun 27, 2011AStar works on the basis of straight lines, AFAIK. In my case, we have geocoordinates and I can get the straight line distance between the waypoints. But I am wondering how approximate will the route calculated on this basis be? The actual distance "by road", which actually matters can be different.
Example. Assuming A and B are on the same plane, and will be equidistant from the goal point, if we consider a straight line between A and the goal point and, B and the goal point. The distance "by road" between A and the goal point may be greater or lesser than B. But because the AStar works on the basis of straight lines, it will return both the routes as the shortest. If yes, then which algo should be considered , if we want the results on the basis of actual distance in Km/m?
Programming :: Fixed Base Windowing Exponentiation Algorithm?
May 2, 2009i try to understand this algorithm but i cann't. [URL] I encounter problem understand the algorithm of fixed base windowing exponentiation algorithm ? What is fixed base in the first place ? How this algorithm works ?
View 5 Replies View RelatedProgramming :: Algorithm - File System Block Number For Immediate Read
May 20, 2010algorithm:breada
input: file system block number for immediate read
file system block number for asynchronous read
output:buffer containing data for immediate read {
if(first block not in cache) {
get buffer for first block
if(buffer data not valid)
initiate disk read }
if(second block not in cache) {
get buffer for second block)
if(buffer data valid) //line 1
release buffer else
initiate disk read //line 2 }
if(first block was originally in cache) //line 3 {
read first block
return buffer }
sleep (event first buffer contains valid data)
return buffer }
Here is an algorithm for block read algorithm. I have problem in
line 1: If buffer data is valid why is it releasing the buffer?
line 2: If buffer data valid why is it initiating disk read. It should have read directly from buffer?
line 3: It should be the first condition as if it is there in cache then it should return it without delay?
Programming :: C Language Data Structure/ Algorithm Info Requested
Apr 2, 2010Does anyone know of a C Language Data Structure Tutorial? I have not been able to find anything much to speak of myself.
View 4 Replies View RelatedProgramming :: Processor Priority Level For Algorithm For Buffer Allocation
Jan 9, 2010The algorithm for reading and writing disk blocks use the algorithm getblk to allocate buffers from the pool. In the algorithm getblk, if the kernel removes a buffer from the free list, it must raise the processor priority level to block out interrupts before checking the free list. Why ?Where can i find the C implementation of the above algorithm for buffer allocation in the linux source code ?
View 1 Replies View RelatedUbuntu :: Need Good GUI Encryption Program
Jan 22, 2009I am running Ubuntu 8.04 and 8.10. I want a good GUI encryption/decryption program.
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