202 Topics
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| | 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!  |
| | I did some transformation of overcomplicated Rosetta code version |
| | 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 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?  |
| | 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] …  |
| | 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!  |
| | 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 …  |
| | 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 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, 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 … |
| | 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 … |
| | 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 … |
| | Hey all, I'm relatively new to python, just started learning it about a week ago. I've been working on making some small scripts to make learning easier for me. This is a cypher script I've been working on that is based off of the order of letters used on a … |
| | Hey i wanted to know if there's a program that shows u a pattern on how they got the number if i give them 3 examples? for Ex: 1) 35777903801230601 (Encrypted) = 46071642 (Decrypted) 2) 35777903248036801 (Encrypted) = 43975216 (Decrypted) 3) 35777903508068601 (Encrypted) = 91756761 (Decrypted)  |
| | I am working for encryption and decryption using rsa algorithm ,and adding my own concept in rsa, after rsa and padding i m getting a string like- 100011234A12300A12A231A234A981A for different input output string is increase... Is there any technique by use of that i can compact this string [ then … |
| | 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 … |
| | Hey i wanted to know if there's a program that shows u a pattern on how they got the number if i give them 3 examples? for Ex: 1) 35777903801230601 (Encrypted) = 46071642 (Decrypted) 2) 35777903248036801 (Encrypted) = 43975216 (Decrypted) 3) 35777903508068601 (Encrypted) = 91756761 (Decrypted) |
| | Hi I have a problem with RSA encryption/decription of txt files, I have one method to create a pair of RSA keys and save them into a file, then i made two methods, one for encryt and one for decrypt, encrypt method works fine, but when I want to decrypt … |
| | Hi guys, I'm looking for AES equivalent inverse cipher...Has any one worked on it.. I need a c code for it ... please it's really very urgent..  |
| | 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 … |
| | Hey all, I'm relatively new to python, just started learning it about a week ago. I've been working on making some small scripts to make learning easier for me. This is a cypher script I've been working on that is based off of the order of letters used on a …  |
| | Hi guys! I just want you to ask if their is an available decrypting software? Would you mind to suggest??? Thanx in advance :) |
| | I format my windows xp and reload xp but my some folder are encrypted they do not open ! they are in another drive . How to open? |
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