Questions tagged [encryption]
The encryption tag has no usage guidance.
10
questions
0
votes
1answer
107 views
I'm stuck on cs50 pset2 - crack
I am new to coding. I am trying to solve crack problem of cs50. The problem works hashing 1 character, but when i try to hash 2 characters i can't pass arguments from the string to the crypt function. ...
0
votes
1answer
30 views
My cipher algo is wiping out my keyword!
When my cipher algo sees an "a" it seems to wipe out the rest of the keyword, returning only a " ", which seems to erase the rest of my keyword, leaving my encryption useless. I've debugged this ...
0
votes
2answers
43 views
My vigenere code is not encrypting properly
This is my code:
#include <stdio.h>
#include <ctype.h>
#include <cs50.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, string argv[])
{
int index =0;
...
0
votes
1answer
50 views
Pset2 Caesar Hail dont know how to encrypt the plaintext
plz help me refine my code thx！！
https://raw.githubusercontent.com/check50/davil3388/cs50/2017/fall/caesar/caesar.c?token=Aehv0R6qUjbNWPi_rOMKjS7ChP3tSlW1ks5aSK8MwA%3D%3D
0
votes
2answers
532 views
PSET2: Can't figure out what's wrong with my crack.c code?
I've been trying to get my crack code working for days now. It took me a while to even understand the problem but I think I have somewhat of a handle on it now. My code compiles completely fine but ...
0
votes
2answers
102 views
PSET 2 Vigenere - problem
My code works with a Key of BBB and the letters AAA and loops properly and skips spaces, numbers, punctuation but fails the tests. With a key of baz, it turns world say hello to xpsme, tbz ifmmp and ...
0
votes
2answers
158 views
CS50 pset2 Caesar's cipher - Compile but doesn't work?!? GetString() above and beyond
I'm working on pset2, Caesar's cipher part. I understand how to proceed to do the encryption and my program compile well. The first line of command allow the user to correctly enter his key. After the ...
0
votes
1answer
221 views
Caesar help, Yet again
Ok so i have the basic idea of caesar and heres what i have so far:
#include <stdio.h>
#include <cs50.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#...
0
votes
4answers
981 views
How to Encrypt Plaintext Properly When it Contains Non-Alphabetical Chars?
My caesar.c doesn't encrypt plaintext properly when there are non-alphabetical chars in my plaintext word. Here's my code for encryption:
int k = atoi(argv[1]);
string plain_text = GetString();
// ...
0
votes
1answer
126 views
Why Doesn't Vigenere Give the Correct Output?
Hy guys , i have almost finished with vigenere.c and when i did several tests it was doing well , but when ai tried to encrypt "Meet me at the park at eleven am" using as a keyword "bacon" that's the ...
