Function at 0x40fd00
Capabilities:
Encode data using xor

Disassembly:
push ebp
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x5c
fld xword [esp + 0x70]
fld st(0)
fstp xword [esp + 0x28]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x410204
movzx edi, word [esp + 0x30]
mov esi, edi
and esi, 0x8000
jne 0x40fe70
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x410219
and di, 0x7fff
mov ecx, edi
je 0x40fe80
mov ebp, dword [ebx + 0xc]
lea eax, [ecx - 0x3fff]
mov esi, dword [esp + 0x28]
mov edi, dword [esp + 0x2c]
mov word [esp + 0x16], ax
cmp ebp, 0xe
jbe 0x40ffd1
mov eax, edi
or eax, esi
je 0x41019b
mov eax, dword [ebx + 4]
lea ecx, [esp + 0x38]
movzx edx, word [esp + 0x16]
mov dword [esp + 8], ebx
mov ebp, ecx
mov dword [esp + 0xc], ecx
mov ecx, eax
mov dword [esp + 0x18], eax
and eax, 0x20
and ecx, 0x800
mov byte [esp + 0x10], al
mov dword [esp + 0x1c], ecx
mov ecx, ebp
jmp 0x40fdf7
mov ebx, dword [esp + 8]
mov ebx, dword [ebx + 0xc]
test ebx, ebx
jle 0x40fdca
mov ebp, dword [esp + 8]
sub ebx, 1
mov dword [ebp + 0xc], ebx
shrd esi, edi, 4
shr edi, 4
test eax, eax
mov ebp, ecx
je 0x40fe4f
cmp eax, 9
lea ecx, [ebp + 1]
jle 0x40fe67
add eax, 0x37
or al, byte [esp + 0x10]
mov byte [ebp], al
mov eax, edi
or eax, esi
je 0x40fed0
mov eax, esi
and eax, 0xf
cmp eax, esi
jne 0x40fdb5
cmp ecx, dword [esp + 0xc]
ja 0x40fe20
mov ebp, dword [esp + 0x1c]
test ebp, ebp
jne 0x40fe20
mov ebx, dword [esp + 8]
mov ebp, ecx
mov ebx, dword [ebx + 0xc]
test ebx, ebx
jle 0x40fe26
nop
lea esi, [esi]
lea ebp, [ecx + 1]
mov byte [ecx], 0x2e
cmp edi, 0
ja 0x40fe30
cmp esi, 1
jbe 0x40fe47
lea ecx, [edx - 1]
shrd esi, edi, 1
shr edi, 1
mov edx, ecx
mov ebx, esi
lea ecx, [edx - 1]
xor ebx, 1
or ebx, edi
jne 0x40fe33
xor esi, esi
xor edi, edi
test eax, eax
jne 0x40fdd7
cmp ebp, dword [esp + 0xc]
ja 0x40fe64
mov ecx, dword [esp + 8]
mov ecx, dword [ecx + 0xc]
test ecx, ecx
js 0x410050
lea ecx, [ebp + 1]
add eax, 0x30
jmp 0x40fdea
or dword [ebx + 4], 0x80
jmp 0x40fd39
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
mov edi, edx
or edi, eax
je 0x41018c
test edx, edx
js 0x41023e
mov ecx, 0xffffc001
nop
shld edx, eax, 1
mov edi, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x40fea0
mov word [esp + 0x16], di
mov esi, eax
mov edi, edx
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
jbe 0x40ffef
jmp 0x40fd84
cmp ecx, dword [esp + 0xc]
mov word [esp + 0x16], dx
mov ebp, ecx
mov ebx, dword [esp + 8]
je 0x410236
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jle 0x410179
mov eax, ebp
sub eax, dword [esp + 0xc]
mov edx, dword [ebx + 0xc]
movsx edi, word [esp + 0x16]
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0x18]
mov dword [esp + 0x10], edi
cmovg eax, ecx
mov ecx, 0x66666667
and edx, 0x1c0
cmp edx, 1
sbb edx, edx
lea esi, [eax + edx + 6]
mov eax, edi
imul ecx
mov eax, edi
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x41022c
mov edi, 2
mov eax, 0x66666667
add esi, 1
add edi, 1
imul ecx
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x40ff41
movsx edi, di
cmp dword [esp + 8], esi
jle 0x410060
mov eax, dword [esp + 8]
sub eax, esi
test dword [esp + 0x18], 0x600
jne 0x4101c6
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jle 0x410067
lea esi, [esi]
mov edx, ebx
mov eax, 0x20
call fcn.0040eab0
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x40ff90
mov eax, dword [ebx + 4]
mov dword [esp + 0x18], eax
test byte [esp + 0x18], 0x80
je 0x410072
nop
lea esi, [esi]
mov edx, ebx
mov eax, 0x2d
call fcn.0040eab0
jmp 0x41008b
test edi, edi
js 0x40ffef
mov ecx, eax
mov esi, esi
lea edi, [edi]
shld edi, esi, 1
add esi, esi
test edi, edi
jns 0x40ffe0
mov word [esp + 0x16], cx
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, ebp
shl ecx, 2
shrd esi, edi, 1
shld edx, eax, cl
shr edi, 1
shl eax, cl
test cl, 0x20
je 0x410014
mov edx, eax
xor eax, eax
add eax, esi
adc edx, edi
test edx, edx
js 0x4101f9
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
xor esi, esi
sub ecx, ebp
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
test cl, 0x20
cmovne eax, edx
cmovne edx, esi
mov edi, edx
mov esi, eax
jmp 0x40fd84
mov ecx, ebp
jmp 0x40fded
mov dword [ebx + 8], 0xffffffff
test byte [esp + 0x18], 0x80
jne 0x40ffc0
test dword [esp + 0x18], 0x100
jne 0x4101d7
test byte [esp + 0x18], 0x40
jne 0x4101e8
mov edx, ebx
mov eax, 0x30
call fcn.0040eab0
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x58
call fcn.0040eab0
mov eax, dword [ebx + 8]
test eax, eax
jle 0x4100d9
test byte [ebx + 5], 2
je 0x4100d9
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
mov edx, ebx
mov eax, 0x30
call fcn.0040eab0
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x4100c0
cmp ebp, dword [esp + 0xc]
mov esi, dword [esp + 0xc]
ja 0x410107
jmp 0x41012d
movzx eax, word [ebx + 0x1c]
test ax, ax
mov word [esp + 0x26], ax
je 0x410103
lea eax, [esp + 0x26]
mov ecx, ebx
mov edx, 1
call fcn.0040eb10
cmp ebp, esi
je 0x41012d
sub ebp, 1
movsx eax, byte [ebp]
cmp eax, 0x2e
je 0x410170
cmp eax, 0x2c
je 0x4100e5
mov edx, ebx
call fcn.0040eab0
jmp 0x410103
mov edx, ebx
mov eax, 0x30
call fcn.0040eab0
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 0xc], edx
jg 0x410121
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call fcn.0040eab0
mov eax, dword [esp + 0x10]
add dword [ebx + 8], edi
mov ecx, ebx
or dword [ebx + 4], 0x1c0
cdq
call fcn.0040f2e0
add esp, 0x5c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, ebx
call fcn.0040edd0
jmp 0x410103
movsx eax, word [esp + 0x16]
mov edi, 2
mov dword [esp + 0x10], eax
jmp 0x410067
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
jbe 0x4101ce
xor edx, edx
mov word [esp + 0x16], dx
mov eax, dword [ebx + 4]
mov dword [esp + 0x18], eax
lea eax, [esp + 0x38]
mov dword [esp + 0xc], eax
test ebp, ebp
jle 0x410251
lea eax, [esp + 0x39]
mov byte [esp + 0x38], 0x2e
lea ebp, [eax + 1]
mov byte [eax], 0x30
jmp 0x40fee5
mov dword [ebx + 8], eax
jmp 0x410067
xor esi, esi
xor edi, edi
jmp 0x40ffe0
mov edx, ebx
mov eax, 0x2b
call fcn.0040eab0
jmp 0x41008b
mov edx, ebx
mov eax, 0x20
call fcn.0040eab0
jmp 0x41008b
add word [esp + 0x16], 1
jmp 0x410026
fstp st(0)
mov ecx, ebx
mov edx, 0x41bf6f
xor eax, eax
call fcn.0040ed30
jmp 0x410160
mov ecx, ebx
mov edx, 0x41bf73
mov eax, esi
call fcn.0040ed30
jmp 0x410160
mov edi, 2
jmp 0x40ff5d
mov ebp, dword [ebx + 0xc]
jmp 0x4101aa
mov esi, eax
mov eax, 0xffffc002
mov edi, edx
mov word [esp + 0x16], ax
jmp 0x40feb8
test dword [esp + 0x18], 0x800
mov eax, dword [esp + 0xc]
je 0x4101bb
jmp 0x4101b2