All Questions
Tagged with cryptography strings
13
questions
2
votes
1
answer
178
views
An evolutionary algorithm written in Java to crack an XOR cipher
Alright. So TryHackme is a website that tries to teach hacking with hands on labs. They have a room called JVM Reverse Engineering where the user gets to reverse engineer Java apps, and in particular ...
- 173
1
vote
1
answer
42
views
tokenize char array with PolarSSL library
I'm trying to perform a decryption operation using RSA. I'm using the PolarSSl library. I have a char array key[] that contains RSA private key like the following,
<...
- 113
3
votes
2
answers
108
views
Simple Password Generator Feedback
This is my first major project in F#, looking for any critique on how I can make it more standard or more concise.
Some things I feel like I could have done better are the command flag parsing and the ...
4
votes
0
answers
166
views
SHA256 implemented in Rust
I just finished making an implementation of a SHA256 hashing function (https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf) in Rust and I was looking for some feedback.
As far as I can tell it ...
- 345
9
votes
2
answers
4k
views
Data encryption with python
I am just trying to solve one of the puzzle which is explained below:
The sentence if man was meant to stay on the ground god would have
given us roots after ...
- 685
2
votes
1
answer
152
views
Vector-based Null Cipher
Continuing with my series of cipher programs, I hastily wrote a null cipher program, and I was wondering how it could be improved:
...
- 3,770
2
votes
1
answer
956
views
Split string into "n" lengths with padding
I quickly wrote a short program to split a string into \$n\$ lengths with variable-character padding:
...
- 3,770
2
votes
2
answers
1k
views
String Encryption
I was asked to make a String encryption utility without using encryption API
I basically had to come up with my own ecryption methodology! the program was to be able to encrypt a string and decrypt a ...
- 195
3
votes
3
answers
361
views
A hash-signature-type which tests on comparing against normal strings
I decided to throw this together today figuring it would be cool to add to my repertoire. Before we always had performed this "task" externally. Find the value we want to compare, hash it and compare ...
- 131
4
votes
1
answer
134
views
String encryption function in admin section
I have been using this function locally to encrypt strings for example a username.
If the user successfully logged in, place the encrypted username into a session,...
- 1,053
5
votes
2
answers
28k
views
Hiding $_GET variables using encryption
I use the following functions to encrypt my $_GET variables (whenever I can't easily get away with using $_POST or some other ...
- 161
3
votes
1
answer
242
views
5
votes
2
answers
3k
views
Encryption/decryption of data
I'm trying to work with some encryption/decryption of data. It was some hard work for me to get it working with some buffers and what not.
This is the code I came up with:
...
- 153