1,159 Topics
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| | Hi, I am working on a multiple layer encryption program for my school IT project. Right now the message runs through a Caesar cipher (which the user can select the shift of), it reverses the message and then it reverses the bits of each character, making various symbols come out. … |
 | HI members,i'm newer here ,i prepare research about secure data exchanging between client side(JavaScript) and server side(PHP) of the web by implementing RSA Encryption system . I found RSA implementation by JS , i search about server side (php) but i find not useful php scripts ... So ...I need … |
| | hi i want to hide my php code. i don't want any other to view my code and copy it. So is there a way to do this?  |
| | Is the only point of string encryption is to hide a hardcoded string from being scanned and found in memory/binaryfile? I dont see how string encryption works 100% of the time though...it seems if any string that needs to be used will be stored in memory. For example, i can …  |
| | [ATTACH=RIGHT]21862[/ATTACH]I was rather excited when the iTwin came across my desk. It came in a very small package, but you know what they say, “good things come in small packages.” To my delight, this device happened to be a very good thing. I found this device to be perfect for …  |
| | Hello! I have been doing my reading on log-in/username system security and I want to post what I have done! I still feel like my system is lacking in security, so I'd love any and all input! I've completely obscured the MySQL table values to my liking (A LOT of … |
| | I was not happy of solution [url]http://chaos.weblogs.us/archives/331[/url] for one line Ceasar cipher, so I wrote my own version without import by using raw_input (change to input for Python3). Chance to play little with memoryview object also. Crypt: give displacement amount for shift Decrypt: give -displacement amount shift |
| | can someone tell me how this program works? I'm trying to learning C++ by reading some examples, and this one is one of them. [CODE]#include <iostream> #include <string> using namespace std; class Vigenere { public: string key; Vigenere(string key) { for(int i = 0; i < key.size(); ++i) { if(key[i] …  |
| | [code] #pragma comment(lib, "crypt32.lib") #include <stdio.h> #include <windows.h> #include <Wincrypt.h> #include <iostream> #define MY_ENCODING_TYPE (PKCS_7_ASN_ENCODING | X509_ASN_ENCODING) //this is keylength bit shifted, here we have keylength of 1024bits hence 1024 << 16; #define KEYLENGTH 0x04000000 using namespace std; int main() { DWORD dwFlags = 0; HCRYPTPROV m_hProv; PBYTE pbKeyBlob; DWORD … |
| | I am trying to find out how to replicate the output of fwrite("andbe", 4, 1, output); an encryption algorithm I am using writes its output as this, but I am sending data across a network, and need to be able to write this to a string to send. The algorithm …  |
 | Is anybody know what is the easiest way to encrypt and decrypt text from textbox? Thank you in advance. Good day!  |
| | I am having an issue with my decryption out.txt file. I have gotten the program to open the input file in note pad and encrypt. to an output text file but when I try to decryp to an out text file it doesn't do anything. I figure I am missing … |
| | Hi I have been given a homework question asking to compare a made up Cipher along with know Ciphers, the cipher i have been given is called name cipher it takes the last letter of your first and second name and gives them a value and then adds them together …  |
| | Hello I have been reasearching many sites regarding encryption, I am a bit lost. I can cryp() the password with $salt but when I go to login and compare the passwords it keeps taking me back to the login. I have taken out all the encryption code but below is … |
| | :) Hello, I am making a C++ console application where the user can encrypt and decrypt text. So far, I have successfully made the encryption part, but am not quite sure how to make the decryption part. For example: abcb -> 128.70.88.70. but I can't make it go back to … |
 | [ATTACH=RIGHT]21852[/ATTACH]The Sun is the biggest selling newspaper in the UK, and famous for some truly scything political headlines over the years. Today the Rupert Murdoch owned red top tabloid finds itself on the wrong side of the headline writing tracks after it admitted that reader data may be at risk … |
| | Hi, I desperately need help for my java assignment. I am required to make an encryption/decryption program using netbeans. It basically takes the users message and encrypts it into characters and vice versa for decryption. My teacher say it has something to do with using arrays. There are 2 main …  |
 | Hi, I'm working on a bit of a self-tailored operating system, loosely based on MikeOS (I've kept some MikeOS calls, removed a few, added my own, stripped down the interface,..) and i seem to be stuck on a problem. I need to define userspaces and allow the system to accept … |
| | Im still noob on C Programming. And I just want to ask can you help me understand this codes. Like share some link about this topic and is there other way on doing it? The output of this is like: When I type HELLO the output will be URYYB (Rot13 …  |
| | Hi guys. At work we have lots of certificates to sign/encrypt/decrypt different kinds of documents/data and lately there's been a few occasions where we almost forgot to renew them before they expired. I am currently working on a small monitoring tool, that will notify us of certificates expiring soon. Trouble … |
| | I'm trying to solve an issue I have with a client. The old configuration was a Linksys/Cisco WRT120N plugged into a NETGEAR ProSafe VPN Firewall FV336GV2. I will list the settings below, but the short of it is that the WiFi router was in charge of getting the wireless clients …  |
| | How can i insert password from textbox in database in encrypted form and match from database to login.  |
| | Okay the text on my input file is Wxmv_bpm_xwl_jig_lwwza,_PIT._Q'u_awzzg,_Lidm._Q'u_inziql_Q_kiv'b_lw_bpib. Here's My code but for some reason I can't get my program to convert the message to my output.txt file. Can someone please help thanks [CODE] #include <iostream> #include <fstream> #include <cstdlib> using namespace std; int main() { string str; int … |
| | i am facing problem with the button b 3 which is used here for encryption and is not producing any output.. can u help me with this plzz.. [code] import java.io.*; import java.security.*; import java.awt.*; import java.awt.event.*; import java.applet.*; public final class MsgDigestApp extends java.applet.Applet implements ActionListener { private Button … |
 | I have a website in asp.net developed by some one else, i have made some improvements and now facing problem while uploaded [ [url]www.ict-m.com][/url] this site is running well on localhost. scenario : all files has path starts with /ictm/../../*.aspx 1: i created a folder on root directory with name … |
| | So we were offered a job yesterday, which involved developing a mobile app targeting multiple platforms. They need the code to be as cross-platform as possible, so I think that C++ is the way to go as far as the infrastructure is concerned, and then we write wrappers in other …  |
| | After reading PDF file format specification manual and several other websites providing considerable amount of theories on this subject, I built one simple pdf file. An empty blank page, pretty much doing nothing else. But my problem is, When I am trying to close it, Adobe Reader prompts a dialog …  |
| | 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!!!!!!!!! |
| | Hello all, my lecturer had asked me to encrypt the message using PHP codes i.e to design a website so that someone must be able to send message and appear to DB as an encrypted message using such encrypted method. I don't know how to do or where to put … |
| | Hi guys, I can't get my HP laptop (running Windows 7) to connect at home through my router. It will connect through my neighbor's unsecured network, and my Roku accesses my wireless network, but I can't get the PC to work, although it works fine at other locations. I have … |
| | Hi. Here's my scenario: I have a native Windows service running on a machine. The service is installed under Administrator privileges. Once per day, the service fires, creates a login to SQL (using the administrator account), queries a specific database (read only). The database is stored locally (same machine) and …  |
| | Another issue with sha1. I am creating users via a registration form, that when submitted, has made the password a sha1. [B]Registration script:[/B] [CODE] if($_POST['pass1']==$_POST['pass2']){ $password = sha1(mysqli_real_escape_string($connection, $_POST['pass1'])); } [/CODE] When the user log in, I have this script using sha1. [B]Login script:[/B] [CODE] $password = sha1(mysqli_real_escape_string($connection, $_POST['password'])); $sql=("SELECT … |
| | Hello, this is my first post on DaniWeb so I hope you'll go easy on me ,and my english.I'm working on a implementation of the AES algorithm in python;my app is supposed to encrypt the contents of files, and it does, yet it is kind of slow.I've optimized the code … |
| | Hi, I am using sha1 for a registration form like this: [CODE] if($_POST['pass1']==$_POST['pass2']){ $password = sha1(mysqli_real_escape_string($connection, $_POST['pass1'])); } // This inserts an encrypted row in the DB, and works fine [/CODE] When i want to log in, well I cant login..This is the script: [CODE] $email = mysqli_real_escape_string($connection, $_POST['email']); $password …  |
| | Hello, does anybody know why below 2 echoes are providing diferent results [CODE] <?php $in ='textInputTest'; $key ='AAAABBBBAAAABBBB'; $iv ='AAAABBBB'; echo base64_encode(mcrypt_encrypt(MCRYPT_RC2, $key, $in, MCRYPT_MODE_CBC, $iv)) .":"; echo base64_encode(openssl_encrypt($in, 'rc2-cbc', $key, true, $iv)); ?> [/CODE] (results: I6twEgBKQEaNzeP0nMeLJg== : 7bJWXaOJf31WYcJn2UcDrg==) ... second result is the same that C# and some other … |
| | i want to make rot13 encryption this program convert ascii code from a caracter, and work only with uppercase character (65-90) please help me [CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> void rot13(const char *input); int main(void) { char *input; printf("Enter string (max. 255 characters) : "); gets(input); printf("\nConvert result %s … |
| | I am making an encryption product in batch (it is as impossible as that may seem) ,but as soon as I think of something another error comes up. E.G. Saving passwords and encrypting them - I have the method worked out fine and it works (sorry no code here!) ,but … |
| | Hi! I just want to ask if anyone knows how to partition a USB? Any other forums would reply and tell me to use a 3rd party software which is not very helpful since I need to develop my own program. Research says that in order to partition a USB … |
| | Hi, Absolute newbie to cryptography. I'm looking for C++ open source code (to be compiled on Windows, Mac, linux), for doing the following: 1. Generate private+public keys (need not run on all platforms). 2. (server side) Adding a digital signature to an XML document using a private key. 3. (client … |
| | 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 … |
 | HI guys, I want to create and encryption system that converts a character to encrypted data, I'm thinking about using the ord() and chr() functions in python then slice the sting into characters implement the encryption on each character and bring them back together what do you think, Is there … |
| | 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 … |
| | Hello Everyone! My problem is this. I have a VBscript encrypting passwords using capicom.dll RC2. I want to use C# to decrypt this password. Which I can't get to work for the life of me. Keeps coming back saying 'Specified key is not a valid size for this algorithm.' (but … |
| | I've tried searching my problem with no success...Can anyone help me fetch a password from the jpasswordField, encrypt it , store it to the database then decrypt back for login validation  |
 | i have encrypted some login credentials in mysql database using md5, now i want what i input as login credentials to be encrypted automatically to ease comparison with the encryption in database: This is how far i have done, no errors bt i cant login anymore [CODE]try { Class.forName("com.mysql.jdbc.Driver"); Connection … |
| | Hi, I have a bash script that reads data from a data file and does some processing, due to security reasons, I have to encrypt my data file, how can my bash script handle this? I mean how can my bash script read data from a encrypted file without me … |
| | Dear Friends i went a little application for data encryption in c using hill cipher. |
 | Hello Everyone. i have created a XOR Encryption libary in c...well tried with some help. But there is something wrong with my coding as when i try and decrypt a file, it doesnt always decrypt as plain text as some charfacters seem malformed. Please could you help me fix this …  |
| | alright I need help and at this point I am desperate. Been working on this for a couple of days, mostly typing and then hitting the Edit/undo! This is a homework project. What the project is supposed to do is: 1. open a text file(einstein.docx) 2. Prompt user for a … |
| | [URL="http://www.herongyang.com/PKI/"][B]PKI (Public Key Infrastructure) tutorial [/B][/URL] This PKI (Public Key Infrastructure) tutorial book is a collection of notes and sample codes written by the author while he was learning PKI technologies himself. Topics include CA, Certificate, Crypt::SSLeay, C#, Digital Signature, Firefox, HTTPS, IE, Java, JSSE, KeyStore, keytool, MMC, .NET, OpenSSL, … |
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