Function at 0x450980
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.004cb570
mov eax, dword [0x542c54]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x4c]
push esi
mov esi, dword [esp + 0x54]
mov dword [esp + 8], eax
test esi, esi
je 0x450cdf
cmp dword [0x54722c], 0
push ebx
je 0x450aa6
lea ecx, [esp + 0x10]
push ecx
call fcn.004399e0
push 0xdf
push 0x51b890
push 0x13
push 5
call fcn.00439d90
lea edx, [esp + 0x24]
push edx
push 0x546de0
call fcn.00439a20
mov ebx, eax
push 0xe1
neg ebx
push 0x51b890
sbb ebx, ebx
push 0x13
inc ebx
push 6
mov dword [esp + 0x34], ebx
call fcn.00439d90
add esp, 0x2c
test ebx, ebx
jne 0x450a1f
push 0xe6
push 0x51b890
push 0x12
push 9
call fcn.00439d90
add esp, 0x10
mov eax, dword [0x547218]
mov edx, dword [0x54721c]
mov ecx, dword [0x547214]
mov dword [esp + 0x18], eax
mov eax, dword [0x5471fc]
mov dword [esp + 0x1c], edx
mov edx, dword [0x547200]
mov dword [esp + 0x38], eax
mov eax, dword [0x547204]
push edi
mov edi, ecx
add ecx, esi
mov dword [esp + 0x40], edx
mov edx, dword [0x547208]
mov dword [esp + 0x44], eax
mov eax, dword [0x54720c]
mov dword [esp + 0x48], edx
mov dword [esp + 0x4c], eax
mov dword [0x547214], ecx
cmp ecx, 0x3ff
jb 0x450ab7
mov eax, 0x401005
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 9
imul eax, eax, 0xfffffc01
add ecx, eax
mov dword [0x547214], ecx
mov dword [0x547210], 0x3ff
jmp 0x450acd
mov dword [esp + 8], 0
mov ebx, dword [esp + 8]
jmp 0x450a09
mov eax, dword [0x547210]
cmp eax, 0x3ff
jae 0x450acd
cmp ecx, eax
jbe 0x450acd
mov dword [0x547210], 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 [0x54721c], ecx
test ebx, ebx
jne 0x450b12
push 0x106
push 0x51b890
push 0x12
push 0xa
call fcn.00439d90
add esp, 0x10
lea edx, [esp + 0x24]
push edx
call fcn.00458fd0
add esp, 4
test esi, esi
jle 0x450c2e
push ebp
mov ebp, esi
dec esi
mov eax, 0xcccccccd
mul esi
shr edx, 4
inc edx
mov dword [esp + 0x18], edx
lea ebx, [ebx]
cmp ebp, 0x14
mov esi, ebp
jle 0x450b4c
mov esi, 0x14
push 0
call fcn.00446e80
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00459020
push 0x14
lea ecx, [esp + 0x50]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.004591d0
lea ebx, [esi + edi - 0x3ff]
add esp, 0x18
lea ecx, [edi + 0x546de8]
lea edx, [esp + 0x28]
test ebx, ebx
jle 0x450ba8
mov eax, esi
sub eax, ebx
push eax
push ecx
push edx
call fcn.004591d0
push ebx
lea eax, [esp + 0x38]
push 0x546de8
push eax
call fcn.004591d0
add esp, 0x18
jmp 0x450bb3
push esi
push ecx
push edx
call fcn.004591d0
add esp, 0xc
mov ebx, dword [esp + 0x14]
push esi
lea eax, [esp + 0x2c]
push ebx
push eax
call fcn.004591d0
push 8
lea ecx, [esp + 0x30]
push ecx
lea edx, [esp + 0x3c]
push edx
call fcn.004591d0
push 0
lea eax, [esp + 0x5c]
push eax
lea ecx, [esp + 0x48]
push ecx
call fcn.004591e0
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 0x450c1c
lea ecx, [ecx]
mov dl, byte [esp + eax + 0x40]
xor byte [edi + 0x546de8], dl
add edi, ecx
cmp edi, 0x3ff
jl 0x450c16
xor edi, edi
add eax, ecx
cmp eax, esi
jl 0x450c00
sub ebp, 0x14
sub dword [esp + 0x18], ecx
jne 0x450b40
mov ebx, dword [esp + 0x10]
pop ebp
lea eax, [esp + 0x24]
push eax
call fcn.00459260
add esp, 4
pop edi
test ebx, ebx
jne 0x450c56
push 0x137
push 0x51b890
push 0x12
push 9
call fcn.00439d90
add esp, 0x10
xor eax, eax
jmp 0x450c60
movzx ecx, byte [esp + eax + 0x38]
xor byte [eax + 0x5471fc], cl
movzx edx, byte [esp + eax + 0x39]
movzx ecx, byte [esp + eax + 0x3a]
xor byte [eax + 0x5471fd], dl
xor byte [eax + 0x5471fe], cl
movzx edx, byte [esp + eax + 0x3b]
movzx ecx, byte [esp + eax + 0x3c]
xor byte [eax + 0x5471ff], dl
xor byte [eax + 0x547200], cl
add eax, 5
cmp eax, 0x14
jl 0x450c60
fld qword [0x51b888]
fld qword [0x547220]
fcom st(1)
fnstsw ax
fstp st(1)
test ah, 5
jp 0x450cc2
fadd qword [esp + 0x5c]
fstp qword [0x547220]
jmp 0x450cc4
fstp st(0)
test ebx, ebx
pop ebx
jne 0x450cdf
push 0x144
push 0x51b890
push 0x12
push 0xa
call fcn.00439d90
add esp, 0x10
mov ecx, dword [esp + 0x48]
pop esi
xor ecx, esp
call fcn.004cb553
add esp, 0x48
ret