Alazar Demessie's repositories
recreating_c_builtin_printf_function_with_c_and_assembly
I have tried to recreate a function called printf which can be found in libc library, it is standard builtin output function, I wrote this code just to show how libc souce is written, when I started programming with C I was so curious about how those builtin I/O functions work, I tired many things to see their source file but it wasn't successful, to your surprise you can't find their source on your directory they are placed as object file almost translated into machine code, these functions works by linking your source with the appropriate .o file, but now I wrote you this just to show you how libc functions are written eg. printf, scanf, puts, gets...
CircleEquationWithC
Using Mathematics functions you can make anything possible, this program demonstrates the use of circle equation to draw a circle on the console, this helps developers to do GUI programming easily, and also with mathematics functions you can make your own CNC machine.
graphing-alphabet-letters-with-math-functions
Graphing Alphabet Letters with just one or more mathematical functions (i.e straight line: y = mx+b or parabolas: y = x^2 ) for the purpose of making CNC or Writting machines
rsa_encryption_on_c
RSA Encryption Implementation On C
tar_archive_reader
Reads any tar archive and display its content on console, developed for learning purpose.
map-projection-and-plotting-on-pixel
Mercator Map Projection and Plotting physical location(longitude, latitude) on a mercator projected map image
numbersystem
Conversion Between Number systems
rot13_encryption_with_c
ROT13 ("rotate by 13 places", sometimes hyphenated ROT-13) is a simple letter substitution cipher that replaces a letter with the 13th letter after it in the alphabet. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome.
Awesome-Hacking-Resources
A collection of hacking / penetration testing resources to make you better!
fat12_filesystem
FAT12 File system implementation
tcp_client_communication_with_socket_and_select_cpp
Client-Server, and Peer-to-peer communication through TCP protocol using socket programming and select in c++
BugBountyBooks
A collection of PDF/books about the modern web application security and bug bounty.
CVE-Exploits
PoC exploits for software vulnerabilities
Ethical-Hacking-Labs
Practical Ethical Hacking Labs 🗡🛡
f1ow
Monitor network flow with f1ow
holbertonschool-low_level_programming
Low-level programming and algorithm projects for Holberton School Year 1
IntroLabs
These are the labs for my Intro class. Yes, this is public. Yes, this is intentional.
linux-pam-backdoor
Linux PAM Backdoor
PicoCTF-2021-Writeups
Writeups for PicoCTF 2021
tcpview
TcpView For Linux