Tags: engineering reverse 

Rating:

if ConvertFunction(Input Value)="PH?>OA(vN/io/Zb<q.Zt+pZKm.io0x" =>OK ;)

Table of Converted input chars:
```
a=\
b=]
c=^
d=_
e=`
f=a
g=b
h=c
i=d
j=e
k=f
l=g
m=h
n=i
o=j
p=k
q=l
r=m
s=n
t=o
u=p
v=q
w=r
x=s
y=t
z=u

A=<
B==
C=>
D=?
E=@
F=A
G=B
H=C
I=D
J=E
K=F
L=G
M=H
N=I
O=J
P=K
Q=L
R=M
S=N
T=O
U=P
V=Q
W=R
X=S
Y=T
Z=U
0=+
1=,
2=-
3=.
4=/
5=0
6=1
7=2
8=3
9=4
~=y
!=
@=;
#=
$=
%=
^=Y
&=!
*=%
(=#
)=$
-=(
_=Z
+=&
==8
<=7
>=9
?=:
"=
|=w
{=v
}=x
[=V
]=X
'="
\=W
,='
.=)
/=*
```

Final Flag: UMDCTF-{S4nt4_gAv3_y0u_Pr3nt5}

bhsecMay 27, 2020, 3:14 p.m.

could you provide some details on how the function was found and the flag