W3Challs : Challenges

Challenges

Need some advice to start /dev/null challenges?
See our about page.

V: Solves

P: Points

S: Status

F: Forums

N: Note

/dev/null

ID	Challenge	V	P	S	F	N
1	Hard to make easier!	2268	0
3	Security + Javascript ≠ 2	1255	0
4	Zip file	276	0
6	Nice logical	532	0
7	-- --- .-. ... . .-.-.- .-.-.- .-.-.-	1299	0
9	Beauty isn't the only one that counts	468	0
10	A crackme or ...	520	0
13	Easy javascript!	617	0
14	A nice flower ...	7	0
15	One - Two	249	0
16	Do you know crypto basics?	613	0
17	Allo ?	167	0
18	The U.S. Navy might be able to help ...	312	0
19	You need to seek well !	106	0
21	One of the best known logics	141	0
22	Matrix	109	0
24	Elements	66	0
25	Do you know how to count?	245	0
28	This one is very famous ...	144	0
29	Year 1638	39	0
31	A pdf file	72	0
32	After the rain, the weather !	3	0
33	The equation of happiness	66	0
34	Are you good in mental arithmetic?	197	0
36	The loop is closed	166	0
38	Wi-Fi N ° 1	215	0
41	Introduction to steganography	172	0
45	My first loops	57	0
50	Introduction to watermarking	26	0
53	Safe copy	71	0
54	Cadeau empoisonné	9	0
58	LSB addicted	27	0
69	mystrncpy_old	188	0
70	serialize_old	162	0
71	canary_old	150	0
72	server_old	105	0
73	safels_old	122	0
74	convert_old	106	0
75	comparator_old	76	0
79	A classical one	5	0
80	xbase64_old	56	0
81	Shape Shifting	11	0
83	The Fridge_old	49	0
84	mymalloc_old	35	0
85	JSexec	9	0
87	dull	24	0
89	Skateboarding challenge	20	0