Function at 0x490f50
Capabilities:
Encode data using xor

Disassembly:
push ebp
push esi
mov esi, dword [esp + 0xc]
push edi
xor ebp, ebp
xor edi, edi
mov eax, dword [esi + 0x6af90]
mov dword [esi + 0x6af80], 2
test eax, eax
je 0x491194
push ebx
cmp eax, 3
jb 0x490fcb
mov ecx, dword [esi + 0x6af84]
mov edx, dword [esi + 0x6af7c]
xor eax, eax
and edx, 0x3ff
mov al, byte [ecx + esi + 0x1af72]
and eax, 0x7fff
shl edx, 5
xor eax, edx
and ecx, 0x7fff
mov dword [esi + 0x6af7c], eax
mov ebp, dword [esi + eax*4 + 0x4af70]
mov dword [esi + ecx*4 + 0x2af70], ebp
mov eax, dword [esi + 0x6af7c]
mov ecx, dword [esi + 0x6af84]
mov dword [esi + eax*4 + 0x4af70], ecx
test ebp, ebp
je 0x49100d
mov edx, dword [esi + 0x6af84]
sub edx, ebp
cmp edx, 0x7efa
ja 0x49100d
mov eax, dword [esi + 0x6af90]
mov ecx, dword [esi + 0x6afa0]
cmp ecx, eax
jbe 0x490ff5
mov dword [esi + 0x6afa0], eax
push ebp
push esi
call fcn.00490c00
mov edi, eax
mov eax, dword [esi + 0x6af90]
add esp, 8
cmp edi, eax
jbe 0x49100d
mov edi, eax
cmp edi, 3
jb 0x491106
mov ecx, dword [esi + 0x6af84]
mov ebx, dword [esi + 0x6af88]
lea eax, [edi - 3]
sub ecx, ebx
push eax
push ecx
push esi
call fcn.00490300
mov edx, dword [esi + 0x6af90]
mov ecx, dword [esi + 0x6af98]
add esp, 0xc
sub edx, edi
mov ebx, eax
cmp edi, ecx
mov dword [esi + 0x6af90], edx
mov eax, edx
ja 0x4910b4
cmp eax, 3
jb 0x4910b4
dec edi
mov ebp, dword [esi + 0x6af84]
mov edx, dword [esi + 0x6af7c]
inc ebp
xor eax, eax
mov ecx, ebp
mov dword [esi + 0x6af84], ebp
and edx, 0x3ff
mov al, byte [esi + ecx + 0x1af72]
and ecx, 0x7fff
and eax, 0x7fff
shl edx, 5
xor eax, edx
dec edi
mov dword [esi + 0x6af7c], eax
mov ebp, dword [esi + eax*4 + 0x4af70]
mov dword [esi + ecx*4 + 0x2af70], ebp
mov eax, dword [esi + 0x6af7c]
mov ecx, dword [esi + 0x6af84]
mov dword [esi + eax*4 + 0x4af70], ecx
jne 0x491054
jmp 0x491130
mov edx, dword [esi + 0x6af84]
xor eax, eax
add edx, edi
push str.Call_UPDATE_HASH___MIN_MATCH_3_more_times
mov dword [esi + 0x6af84], edx
push 1
mov al, byte [edx + esi + 0x1af70]
lea ecx, [edx + esi]
xor edx, edx
mov dword [esi + 0x6af7c], eax
mov dl, byte [ecx + 0x1af71]
and eax, 0x3ff
and edx, 0x7fff
push esi
shl eax, 5
xor edx, eax
xor edi, edi
mov dword [esi + 0x6af7c], edx
call fcn.0048f320
add esp, 0xc
jmp 0x491136
mov eax, dword [esi + 0x6af84]
xor ecx, ecx
mov cl, byte [eax + esi + 0x1af70]
push ecx
push 0
push esi
call fcn.00490300
mov ecx, dword [esi + 0x6af90]
add esp, 0xc
dec ecx
mov ebx, eax
mov dword [esi + 0x6af90], ecx
inc dword [esi + 0x6af84]
test ebx, ebx
je 0x491170
mov eax, dword [esi + 0x6af74]
test eax, eax
jl 0x49114d
lea ecx, [eax + esi + 0x1af70]
jmp 0x49114f
xor ecx, ecx
mov edx, dword [esi + 0x6af84]
push 0
sub edx, eax
push edx
push ecx
push esi
call fcn.004900c0
mov eax, dword [esi + 0x6af84]
add esp, 0x10
mov dword [esi + 0x6af74], eax
cmp dword [esi + 0x6af90], 0x106
jae 0x491185
push esi
call fcn.00490e00
add esp, 4
mov eax, dword [esi + 0x6af90]
test eax, eax
jne 0x490f74
pop ebx
mov eax, dword [esi + 0x6af74]
test eax, eax
jl 0x4911a7
lea ecx, [eax + esi + 0x1af70]
jmp 0x4911a9
xor ecx, ecx
mov edx, dword [esi + 0x6af84]
push 1
sub edx, eax
push edx
push ecx
push esi
call fcn.004900c0
add esp, 0x10
pop edi
pop esi
pop ebp
ret