Function at 0x496f00
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.00474d50
mov eax, dword [0x520628]
xor eax, esp
mov dword [esp + 0x44], eax
cmp dword [0x528b74], 0
mov eax, dword [esp + 0x4c]
push ebx
mov dword [esp + 8], eax
je 0x49701f
lea ecx, [esp + 0xc]
push ecx
call fcn.004967f0
push 0xda
push 0x4f1a88
push 0x13
push 5
call fcn.00496b90
lea edx, [esp + 0x20]
push edx
push 0x528728
call fcn.00496830
mov ebx, eax
push 0xdc
neg ebx
push 0x4f1a88
sbb ebx, ebx
push 0x13
inc ebx
push 6
mov dword [esp + 0x30], ebx
call fcn.00496b90
add esp, 0x2c
test ebx, ebx
jne 0x496f92
push 0xe1
push 0x4f1a88
push 0x12
push 9
call fcn.00496b90
add esp, 0x10
mov eax, dword [0x528b60]
mov edx, dword [0x528b64]
mov ecx, dword [0x528b5c]
mov dword [esp + 0x14], eax
mov eax, dword [0x528b44]
push esi
mov esi, dword [esp + 0x58]
mov dword [esp + 0x1c], edx
mov edx, dword [0x528b48]
mov dword [esp + 0x38], eax
mov eax, dword [0x528b4c]
push edi
mov edi, ecx
add ecx, esi
cmp ecx, 0x3ff
mov dword [esp + 0x40], edx
mov edx, dword [0x528b50]
mov dword [esp + 0x44], eax
mov eax, dword [0x528b54]
mov dword [esp + 0x48], edx
mov dword [esp + 0x4c], eax
mov dword [0x528b5c], ecx
jl 0x497030
mov eax, 0x7fdff7fd
imul ecx
sub edx, ecx
sar edx, 9
mov eax, edx
shr eax, 0x1f
add eax, edx
imul eax, eax, 0x3ff
add ecx, eax
mov dword [0x528b5c], ecx
mov dword [0x528b58], 0x3ff
jmp 0x497046
mov dword [esp + 4], 0
mov ebx, dword [esp + 4]
jmp 0x496f7c
mov eax, dword [0x528b58]
cmp eax, 0x3ff
jge 0x497046
cmp ecx, eax
jle 0x497046
mov dword [0x528b58], ecx
mov eax, 0x66666667
imul esi
sar edx, 3
mov eax, edx
shr eax, 0x1f
add eax, edx
lea ecx, [eax + eax*4]
add ecx, ecx
add ecx, ecx
mov edx, esi
sub edx, ecx
xor ecx, ecx
test edx, edx
setg cl
add ecx, eax
add dword [0x528b64], ecx
test ebx, ebx
jne 0x49708b
push 0x101
push 0x4f1a88
push 0x12
push 0xa
call fcn.00496b90
add esp, 0x10
lea edx, [esp + 0x24]
push edx
call fcn.00495ff0
add esp, 4
test esi, esi
jle 0x49719e
push ebp
mov ebp, esi
dec esi
mov eax, 0xcccccccd
mul esi
shr edx, 4
inc edx
mov dword [esp + 0x18], edx
cmp ebp, 0x14
mov esi, ebp
jle 0x4970bf
mov esi, 0x14
push 0
call fcn.004965f0
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00496040
push 0x14
lea ecx, [esp + 0x50]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.004961f0
lea ebx, [esi + edi - 0x3ff]
add esp, 0x18
lea ecx, [edi + 0x528730]
lea edx, [esp + 0x28]
test ebx, ebx
jle 0x49711b
mov eax, esi
sub eax, ebx
push eax
push ecx
push edx
call fcn.004961f0
push ebx
lea eax, [esp + 0x38]
push 0x528730
push eax
call fcn.004961f0
add esp, 0x18
jmp 0x497126
push esi
push ecx
push edx
call fcn.004961f0
add esp, 0xc
mov ebx, dword [esp + 0x14]
push esi
lea eax, [esp + 0x2c]
push ebx
push eax
call fcn.004961f0
push 8
lea ecx, [esp + 0x30]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.004961f0
push 0
lea eax, [esp + 0x5c]
push eax
lea ecx, [esp + 0x48]
push ecx
call fcn.00496200
mov ecx, 1
add dword [esp + 0x48], ecx
add ebx, esi
add esp, 0x24
xor eax, eax
mov dword [esp + 0x14], ebx
test esi, esi
jle 0x49718c
mov dl, byte [esp + eax + 0x40]
xor byte [edi + 0x528730], dl
add edi, ecx
cmp edi, 0x3ff
jl 0x497186
xor edi, edi
add eax, ecx
cmp eax, esi
jl 0x497170
sub ebp, 0x14
sub dword [esp + 0x18], ecx
jne 0x4970b3
mov ebx, dword [esp + 0x10]
pop ebp
lea eax, [esp + 0x24]
push eax
call fcn.00496280
add esp, 4
pop edi
pop esi
test ebx, ebx
jne 0x4971c7
push 0x134
push 0x4f1a88
push 0x12
push 9
call fcn.00496b90
add esp, 0x10
xor eax, eax
lea esp, [esp]
movzx ecx, byte [esp + eax + 0x34]
xor byte [eax + 0x528b44], cl
movzx edx, byte [esp + eax + 0x35]
movzx ecx, byte [esp + eax + 0x36]
xor byte [eax + 0x528b45], dl
xor byte [eax + 0x528b46], cl
movzx edx, byte [esp + eax + 0x37]
movzx ecx, byte [esp + eax + 0x38]
xor byte [eax + 0x528b47], dl
xor byte [eax + 0x528b48], cl
add eax, 5
cmp eax, 0x14
jl 0x4971d0
fld qword [0x4f1a80]
fld qword [0x528b68]
fcom st(1)
fnstsw ax
fstp st(1)
test ah, 5
jp 0x497232
fadd qword [esp + 0x58]
fstp qword [0x528b68]
jmp 0x497234
fstp st(0)
test ebx, ebx
pop ebx
jne 0x49724f
push 0x13f
push 0x4f1a88
push 0x12
push 0xa
call fcn.00496b90
add esp, 0x10
mov ecx, dword [esp + 0x44]
xor ecx, esp
call fcn.0046e186
add esp, 0x48
ret