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 | Hi i just wanna know if there are way to **decrypt a files that is infected and decrypted by a virus / malware**? all of the files from one of the workstation are encryted as in totaly you cannot open the files.there is a noted in there saying that i …  |
| | Hi,so I am supposed to encrypt a text file chosen by a user at the moment I have completed most of it (offset factor/shift), I have got each separate character from the text file and put it into a list and converted it into ASCII, I am wondering how you … |
| | How are keys and passwords stored in a computer to make them secure? If encryption is used to secure keys and passwords - won't there need to be a key or password for it also? Will that one be encrypted as well? It seems to me that eventually there will …  |
| | i have an issue, my code works wonderfully for the pupose its designed for however for security reasons i need th epages page my login page to have either randomized links or just links that cannot be bookmakred too so that one can bypass the login page. My login page … |
 | Hello Daniweb, I'm rebuilding a Flash-based website in PHP/HTML maintaining the same MySQL database. My problem now is, the user passwords are hashed of course - I need to use the same hash in the new application for old users to be able to still log in. But since the … |
 | Well, in my previous thread i needed help deleting arrays, for the codes i use its here: http://www.daniweb.com/software-development/vbnet/threads/426588/how-to-move-arrays-1-place-down- But now i need help saving the arrays, i can save all the arrays to ini file like this: Ini module: Option Strict On Module INIAccess #Region "API Calls" ' standard API … |
| | Hello People! I am quite new to Qt (and programming in general). And I am making a program that requires me to encrypt a file and decrypt it after asking for a password through the program. But I have no Idea where to start. What I already have - A …  |
 | Alright, so I have been coding a Ceasar Cipher in Java and I have the encrypting working, However, I cannot seem to find my problem decrypting. Here is the code, I thought just by revearsing all the operations it would decode it, but that doesnt seem to be the case. … |
| | So, I have attached my code below. It worked fine , until I introduced the part to print out what's in the input file. After I did this, it says it's completed, but I doesn't copy the content in the output file. What should I change? Thanks a lot /*Program … |
| | "Active cracking" means indirectly changing a plaintext message so that it becomes a totally different, plaintext message that says something totally different but still makes sense, by creating a brand new encryption key that is applied to the ciphertext itself and changes the ciphertext rather than the original plaintext. I … |
| | So, I've been through a class in java so I know a little bit of what I'm doing... The assignment I have is to create a program that takes a string and converts the letters four away in the alphabet (ie: a becomes e and so forth). I've gotten most … |
 | I currently have a Ubuntu 12.04 LTS box serving as a network repository for daily workstation backups for our HQ office. Throughout the day the Win7 workstations use Cobian Backup 11 to backup their user folders to their respective samaba shares on this server. At night this server rsyncs all … |
| | I have an XML file that is in this format: <root> Test string <Signature> WvZUJAJ/3QNqzQvwne2vvy7U5Pck8ZZ5UTa6pIwR7GE+PoGi6A1kyw==</Signature> </root> I was able to produce the SHA256 and produced a string by using the following: string CalculateSHA256(const string& input) { SHA256 hash; string digest; StringSource _(input, true, new HashFilter(hash, new HexEncoder (new StringSink(digest)))); return …  |
| | http://en.wikipedia.org/wiki/Transposition_cipher#Columnar_transposition This is wiki site of what am trying to do #include <iostream> #include <cstring> #include <cmath> using namespace std; char GRID[3][80]; int MENU(int menu_choice); int REVIEW_OF_GRIDS_FIRST_79_CHARACTERS(int four); int main() { cout << " This is RAIL FENCE CIPHER\n" << endl; //----------------------------------------------------------------------------------------------------- //filing GRID with asterisks(*) char asterisk='*'; int k=-1; …  |
 | Hello good day. I have a quick question is anyone able to assist me in saving a password file. I encrypted my password and so I want to save the salt and the encrypted password(which are byte arrays). I tried using a properties file, but I soon found out that … |
| | Hi! I recently created a website that has a contact form that sends an email with the PHP Mailer class. I had to use my gmail account because I cannot get my LAMP server's SMTP protocol working... In my mail.php file, I display the password and account quite openly as … |
| | #include <iostream> #include <cmath> #include <string> #include <cstdlib> #include <cstring> using namespace std; char Outputing(char shifted_letter); int found_match; int searching_alphabet; int main() { const char ORIGINAL_alphabet[26]={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'}; //maybe const isn't necesery char alphabet[26]={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'}; cout << "This program encrypts messages using Ceaser Cipher\n"; cout << "\n---------------------------------------------------------"; cout << "\n---------------------------------------------------------"; cout << "\nEnter …  |
| | I have problem with this part of the code private char encryptChar(char c, int shift) { if (Character.isLetter(c)) return (char) ('A' + (c - 'A' + shift) % 26); else return c; } private String encryptMessage(String msg, int shift) { String result = ""; for (int i = 0; i … |
| | Hi there, I have recently been looking into encryption, for MySQL and php, to figure out someway to encrypt the information in the database, or more to the point before it goes in, or decrypted when it comes out. What I'd like to happen is for the info submitted from … |
| | I have been doing some research on how to go about using a random salt per user's password. There are a few things that I am still unsure about. It is easy enough to store a random hash using something as the following: [CODE] <?php $password = 'MySuperSectretPassword!'; $salt = … |
| | I'm trying to make encryption program but when i run the program it gives me this error: Debug Assertion Failed! Program:...nts\visual studio 2010\projects\encrypter\debug\encrypter.exe File:c:\program files\microsoft visual studio 10.0\vc\include\xstring Line:1441 Expression: string subscript out of range For information on how your program can cause assertion failure, see the Visual C++ documentation … |
| | I am working to take c code from an academic paper and edit. I am studying cryptographic algorithms. I have ran the following code, but I am having a little difficulty understanding two things. First, the program uses unsigned long ints. When they are added or subtracted, I don't get … |
| | I have been programming in C++ for a while now. I heard about RSA Encryption algorithm, and i have read many online sites on how it works. But i still cant grasp how the algorithm works. i have tried to make programs with RSA, but they doesnt encrypt. If you …  |
 | I am looking to encrypt data (preferably XTEA) on my .Net Micro Framework, send it to a webservice in .Net (Azure) and decrypt it there. I found this [URL="http://www.dmcinfo.com/Blog/articleType/ArticleView/articleId/83/Encryption-Compatibility-Between-NET-Micro-Framework-and-the-Full-NET-Framework.aspx"]blog post[/URL] but I am unable to get it to work. The encryption result on .Net differs from the .NetMF. I hope … |
| | Although, I could easily state quite a few people will be bored with these, I couldn't find someone else with my problem. The code below runs, though doesn't decrypt. It gets to the first "Error: Unidentified Character" and ends. Any help great appreciated. [CODE]#include <iostream> #include <string> #include <array> #include … |
| | Hy , I have to encrypt a message and then decrypt it. I have this code , but i need to save the encrypted string in a database and the code generates a random key every time. I could save the string and the key in the database but that … |
| | i am trying to implement ceaser's cipher in the generic sense by rotating the digits by integer n.i am trying to find out the pairs of these from a file containing words. this what i've done so far, [CODE] from string import * d = dict() l = [] for …  |
| | I am going to do my first Java Project the ElGamal's Encryption. Honestly, i have no idea yet on how to start my program because i don't have idea in encryption but i have to do it. Because it was assigned to me by our instructor. Please help me. |
 | I am using a DLL file as my license file for a VB.NET project and was wondering if there was a way to make it locked so notepad can't open it and edit the data stored in there. Thanks in advanced!  |
 | Is anybody know what is the easiest way to encrypt and decrypt text from textbox? Thank you in advance. Good day!  |
| | i am doing a project in which i simulate symmetric encryption in routers.so hav to store secret keys for mac encryption in a symmetric matrix.how do i do it?????????should i convert them to strings and then store strings in a matrix??????? URGENT HELP NEEDED!!!!!!!!! |
| | Dear Friends, I have a question in security programming. As all of us know, when we have a database with passwords or anything sensitive, we would like to encrypt it so it is not readable by other. Now I want to know, which of the method is secured or less … |
| | Hello Friends. Im a final year student for COmputer Security / Forensic. Im planning to do a project which requires me to do encryption and decryption. My possible choice of language would be VB.Net. I was wondering if wad is running in my mind can be executed. Well, I would … |
| | Hi, I'm currently looking at password hashing and from what I've read so far, it seems pretty pointless. I read this [URL="http://phpsec.org/articles/2005/password-hashing.html"]article[/URL] which recommends using MD5 or SHA-1, however I Googled for decrypters and found them witin the first 3 results on Google. I don't quite understand the purpose of … |
| | I'm attempting to create a one line Caesar cipher decryption program in python and i'm afraid i've come to the end of my knowledge and well past it. this is the closest working code i've got: [code]def test3(): print("The decrypted text is: "+"".join(map(lambda x: chr(ord(x)+y),x)))[/code] as you can see it … |
| | hello everyone,i need to make an encryption/decryption program and I'm almost finished, the problem is when i tried to add some gui an error about throwing exception keeps showing.. this is the code without the gui and it works just fine because the [B]throws Exception[/B] is in the main.. [CODE] … |
| | Hi all, Please bear with me on this as i have not long been learning how PHP works and am still learning VB.NET slowly. I have been testing the code for PHP using the Apache webserver. The problem i am having is, this is the function i am using with … |
| | Hello I'm not too experience with c++ but I've learned some of the basics. I tried making a small txt file encryption program however my output prints one too many times to the 2nd txt file. This occurs both when encrypting and decrypting. [CODE] #include <iostream> #include <fstream> #include <cstdlib> …  |
| | Hi all, I'm currently working on a RC4 project for my computer security class. I have looked at the [URL="http://en.wikipedia.org/wiki/RC4"]wikipedia page[/URL] for RC4, and I'm trying to adapt that algorithm to my problem. I can get the correct encrypted text when I just cout the values. However, when I try … |
 | I have found a module pycrypto which has an AES encryption and decryption function, in commandline everything works fine both encryption and decryption, but if I want to implement it in my program, it fails =( [code=python]def aes(txt): global crypt message="".join(txt) #format the message which has to be encrypted/decrypted to …  |
 | I have created a encryptor/decryptor that allows you to encrypt/decrypt text in a textbox, or a file. The basis of the system is to allow a user to thoroughly protect data within their system. Is there anyone that would be willing to test the program? |
| | I have two form. Form 1 and Form 2 In form 1, i have a few textbox and and combo box. and BTNOk [to save] and BTNCancel[when BTNCancel is click, user are prompt whether to save file if there is changes in entry] Form 2 is the file where BTNCancel …  |
 | Hi I am just wondering if it would be possible to add compression to this encryption program I have? It will compress the file before it encrypts it for faster encryption time. Thanks for your help. |