crackme4

Find the password.

• Save the password in the file 100-password
• Your file should contain the exact password, no new line, no extra space
• Hint: The program prints "OK" when the password is correct

crackme5

Create a keygen.

• Usage of the crackme: ./crackme5 username key

• The crackme will segfault if you do not enter the correct key for the user

• Usage for your keygen: ./keygen5 username

• Your keygen should print a valid key for the username

julien@ubuntu:~/0x16$ gcc -Wall -pedantic -Werror -Wextra 103-keygen.c -o keygen5
julien@ubuntu:~/0x16$ ./crackme5 julien loves_javascript
Segmentation fault (core dumped)
julien@ubuntu:~/0x16$ ./crackme5 julien `./keygen5 julien`
Congrats!
julien@ubuntu:~/0x16$