Tags: sha2017ctf 

Rating: 0

```
# xortool -o strange_text.txt
The most probable key lengths:
1: 19.3%
6: 16.0%
11: 11.9%
13: 12.3%
18: 8.5%
20: 7.4%
22: 7.2%
26: 6.6%
30: 5.7%
33: 5.1%
Key-length can be 3*n
Key-length can be 5*n
100 possible key(s) of length 1:
\x13
\x12
\x11
\x10
\x17
...
Found 27 plaintexts with 95.0%+ printable characters
See files filename-key.csv, filename-char_used-perc_printable.csv
```
```
# cat xortool_out/* | strings| grep flag{
6;~82?9~18~*67-~=6?22;09;~7-d~82?9%?oki:l