RainerZimmerman on 12:37 AM 03/08/2023: Just realized there is a very easy solution I forgot to remove! If you find it, please ignore it. :)
strawberry_cake on 7:16 PM 04/07/2023: 000-000000000
RedVi on 10:13 AM 06/22/2023: Thx For Fun Challenge
000-000000000
RedVi on 1:12 AM 06/24/2023: nice challenge
flag: flag{_y0u_f0und_key_}
python script:
first = [0x51,0x53,0x4E,0x11,0x50,0x3D,0x51,0x11,0x41,0x50,0x11,0x52,0x3D,0x49,0x11,0x57,0x3D,0x0F,0x11,0x11,0x15]
second = [0x37,0x3F,0x2F,0x76,0x2B,0x62,0x28,0x21,0x34,0x0F,0x77,0x62,0x48,0x27,0x75,0x8,0x56,0x6A,0x68,0x4E,0x68]
for i in range(0,len(first)):
print(chr(first[i] ^ second[i]),end="")
driftxmaster on 7:49 PM 07/31/2023: very nice challenge, it was fun
v0da on 9:04 AM 08/01/2023: there is also another small bug. 000-000999981 is valid where 9+9+9+8+1 = 45 , also 000-999990000 etc
SirWardrake on 12:49 AM 05/22/2024: nice challenge. Wrote a little keygen
474-616889418
124-324579122