Function at 0x579239
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 0x20]
sub esp, 0x78
and dword [eax], 0
push ebx
mov ebx, dword [esp + 0x94]
push ebp
push edi
push ebx
call fcn.00578cd4
test eax, eax
jne 0x5794ee
push esi
mov esi, dword [esp + 0xa4]
imul eax, ebx, 0x68
test byte [esp + 0xa4], 7
push 0
pop ecx
setne cl
shr esi, 3
mov dword [esp + 0x14], eax
add esi, ecx
mov edx, dword [eax + 0x7bc8c8]
mov eax, dword [esp + 0x9c]
mov dword [esp + 0x18], edx
cmp eax, esi
ja 0x5794ea
add eax, 2
add eax, edx
cmp esi, eax
jb 0x5794ea
cmp dword [esp + 0x98], esi
jne 0x5794ea
push esi
call fcn.0066890b
push esi
mov ebx, eax
call fcn.0066890b
push esi
mov edi, eax
call fcn.0066890b
push esi
mov dword [esp + 0x2c], eax
call fcn.0066890b
add esp, 0x10
mov ebp, eax
mov dword [esp + 0x10], ebp
test ebx, ebx
je 0x5794bf
test edi, edi
je 0x5794b8
cmp dword [esp + 0x1c], 0
je 0x5794b8
test ebp, ebp
je 0x5794b8
mov eax, dword [esp + 0x98]
mov ecx, dword [esp + 0x94]
cmp byte [ecx + eax - 1], 0xbc
je 0x579319
push 7
pop esi
jmp 0x579491
mov eax, esi
sub eax, dword [esp + 0x18]
mov dword [esp + 0x20], eax
dec eax
push eax
push ecx
push ebx
call fcn.00658b30
mov ecx, dword [esp + 0x24]
mov eax, esi
push ecx
sub eax, ecx
mov ecx, dword [esp + 0xa4]
dec ecx
add eax, ecx
push eax
push ebp
call fcn.00658b30
mov ecx, esi
add esp, 0x18
shl ecx, 3
mov eax, 0xff
sub ecx, dword [esp + 0xa4]
inc ecx
sar eax, cl
mov ecx, dword [esp + 0x94]
mov dword [esp + 0x24], eax
not eax
test byte [ecx], al
jne 0x579311
mov ebp, dword [esp + 0x20]
dec ebp
push ebp
push edi
push dword [esp + 0x20]
push dword [esp + 0x1c]
push dword [esp + 0xb0]
call fcn.0057b44c
mov esi, eax
test esi, esi
jne 0x57948d
test ebp, ebp
je 0x5793a8
mov edx, edi
mov ecx, ebx
sub edx, ebx
mov al, byte [edx + ecx]
xor byte [ecx], al
inc ecx
sub ebp, 1
jne 0x57939d
mov eax, dword [esp + 0x24]
xor ebp, ebp
and byte [ebx], al
mov eax, dword [esp + 0x20]
sub eax, dword [esp + 0x9c]
add eax, 0xfffffffe
je 0x5793cf
cmp byte [ebx + ebp], 0
jne 0x5794b3
inc ebp
cmp ebp, eax
jb 0x5793c0
cmp byte [ebx + ebp], 1
jne 0x5794b3
lea eax, [esp + 0x28]
push eax
mov eax, dword [esp + 0x18]
call dword [eax + 0x7bc914]
mov esi, eax
test esi, esi
jne 0x57948d
push 8
push edi
call fcn.00578acb
push 8
push edi
lea eax, [esp + 0x30]
push eax
mov eax, dword [esp + 0x20]
call dword [eax + 0x7bc918]
mov esi, eax
test esi, esi
jne 0x57948d
push dword [esp + 0x90]
lea eax, [esp + 0x2c]
push dword [esp + 0x90]
push eax
mov eax, dword [esp + 0x20]
call dword [eax + 0x7bc918]
mov esi, eax
test esi, esi
jne 0x57948d
push dword [esp + 0x9c]
lea eax, [ebx + 1]
add eax, ebp
mov ebp, dword [esp + 0x18]
push eax
lea eax, [esp + 0x30]
push eax
call dword [ebp + 0x7bc918]
mov esi, eax
test esi, esi
jne 0x57948d
push edi
lea eax, [esp + 0x2c]
push eax
call dword [ebp + 0x7bc91c]
mov esi, eax
test esi, esi
jne 0x57948d
push dword [esp + 0x18]
push dword [esp + 0x14]
push edi
call fcn.006593f7
add esp, 0xc
test eax, eax
jne 0x57948b
mov eax, dword [esp + 0xa8]
mov dword [eax], 1
xor esi, esi
mov ebp, dword [esp + 0x10]
push ebp
call fcn.0065ba39
push dword [esp + 0x20]
call fcn.0065ba39
push edi
call fcn.0065ba39
push ebx
call fcn.0065ba39
add esp, 0x10
mov eax, esi
jmp 0x5794ed
push 7
pop esi
jmp 0x57948d
push ebx
call fcn.0065ba39
pop ecx
test edi, edi
je 0x5794ca
push edi
call fcn.0065ba39
pop ecx
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x5794d9
push eax
call fcn.0065ba39
pop ecx
mov eax, ebp
test eax, eax
je 0x5794e6
push eax
call fcn.0065ba39
pop ecx
push 0xd
jmp 0x5794ec
push 0x16
pop eax
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x78
ret 0x20