Hello! My friend Fari send me this suspecious message: ‘MQDzqdor{Ix4Oa41W_1F_B00h_m1YlqPpPP}’ and photo.png. Help me decrypt this!
Solution:
The image is a 5x5 table and which is a playfair.
QWERT
YUIOP
ASDFG
HKLZX
CVBNM
The table is the Encryption key: QWERTYUIOPASDFGHKLZXCVBNM
Flag: CTFLEARN{PL4YF41R_1S_C00L_C1PHERRRR}