Function at 0x57a6d5
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.0057a170
test eax, eax
jne 0x57a98a
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 + 0x7c0b08]
mov eax, dword [esp + 0x9c]
mov dword [esp + 0x18], edx
cmp eax, esi
ja 0x57a986
add eax, 2
add eax, edx
cmp esi, eax
jb 0x57a986
cmp dword [esp + 0x98], esi
jne 0x57a986
push esi
call fcn.0066ade0
push esi
mov ebx, eax
call fcn.0066ade0
push esi
mov edi, eax
call fcn.0066ade0
push esi
mov dword [esp + 0x2c], eax
call fcn.0066ade0
add esp, 0x10
mov ebp, eax
mov dword [esp + 0x10], ebp
test ebx, ebx
je 0x57a95b
test edi, edi
je 0x57a954
cmp dword [esp + 0x1c], 0
je 0x57a954
test ebp, ebp
je 0x57a954
mov eax, dword [esp + 0x98]
mov ecx, dword [esp + 0x94]
cmp byte [ecx + eax - 1], 0xbc
je 0x57a7b5
push 7
pop esi
jmp 0x57a92d
mov eax, esi
sub eax, dword [esp + 0x18]
mov dword [esp + 0x20], eax
dec eax
push eax
push ecx
push ebx
call fcn.0065afc0
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.0065afc0
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 0x57a7ad
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.0057c8e8
mov esi, eax
test esi, esi
jne 0x57a929
test ebp, ebp
je 0x57a844
mov edx, edi
mov ecx, ebx
sub edx, ebx
mov al, byte [edx + ecx]
xor byte [ecx], al
inc ecx
sub ebp, 1
jne 0x57a839
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 0x57a86b
cmp byte [ebx + ebp], 0
jne 0x57a94f
inc ebp
cmp ebp, eax
jb 0x57a85c
cmp byte [ebx + ebp], 1
jne 0x57a94f
lea eax, [esp + 0x28]
push eax
mov eax, dword [esp + 0x18]
call dword [eax + 0x7c0b54]
mov esi, eax
test esi, esi
jne 0x57a929
push 8
push edi
call fcn.00579f67
push 8
push edi
lea eax, [esp + 0x30]
push eax
mov eax, dword [esp + 0x20]
call dword [eax + 0x7c0b58]
mov esi, eax
test esi, esi
jne 0x57a929
push dword [esp + 0x90]
lea eax, [esp + 0x2c]
push dword [esp + 0x90]
push eax
mov eax, dword [esp + 0x20]
call dword [eax + 0x7c0b58]
mov esi, eax
test esi, esi
jne 0x57a929
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 + 0x7c0b58]
mov esi, eax
test esi, esi
jne 0x57a929
push edi
lea eax, [esp + 0x2c]
push eax
call dword [ebp + 0x7c0b5c]
mov esi, eax
test esi, esi
jne 0x57a929
push dword [esp + 0x18]
push dword [esp + 0x14]
push edi
call fcn.0065b887
add esp, 0xc
test eax, eax
jne 0x57a927
mov eax, dword [esp + 0xa8]
mov dword [eax], 1
xor esi, esi
mov ebp, dword [esp + 0x10]
push ebp
call fcn.0066addb
push dword [esp + 0x20]
call fcn.0066addb
push edi
call fcn.0066addb
push ebx
call fcn.0066addb
add esp, 0x10
mov eax, esi
jmp 0x57a989
push 7
pop esi
jmp 0x57a929
push ebx
call fcn.0066addb
pop ecx
test edi, edi
je 0x57a966
push edi
call fcn.0066addb
pop ecx
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x57a975
push eax
call fcn.0066addb
pop ecx
mov eax, ebp
test eax, eax
je 0x57a982
push eax
call fcn.0066addb
pop ecx
push 0xd
jmp 0x57a988
push 0x16
pop eax
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x78
ret 0x20