Easy Assembly#

1
enc = [
2
    0x74,
3
    0x78,
4
    0x4B,
5
    0x65,
6
    0x77,
7
    0x48,
8
    0x5C,
9
    0x69,
10
    0x68,
11
    0x7E,
12
    0x5C,
13
    0x79,
14
    0x77,
15
    0x62,
16
    0x46,
17
    0x79,
18
    0x77,
19
    0x05,
20
    0x46,
21
    0x54,
22
    0x73,
23
    0x72,
24
    0x59,
25
    0x69,
26
    0x68,
27
    0x7E,
28
    0x5C,
29
    0x7E,
30
    0x5A,
31
    0x61,
32
    0x57,
33
    0x6A,
34
    0x77,
35
    0x66,
36
    0x5A,
37
    0x52,
38
    0x02,
39
    0x62,
40
    0x5C,
41
    0x79,
42
    0x77,
43
    0x5C,
44
    0x00,
45
    0x7C,
46
    0x57,
47
    0x0D,
48
    0x0D,
49
    0x4D,
50
    0x00,
51
]
52

53
for k in range(256):
54
    flag = "".join(chr(c ^ len(enc) ^ k) for c in enc)
55
    if all(32 <= ord(ch) <= 126 for ch in flag):
56
        if flag.startswith("DH{"):
57
            print(f"[key = {k}] {flag}")

1
DH{UGxlYXNlIGRvIG5vdCBiYXNlNjQgZGVjb2RlIGl0Lg==}