Function at 0x453e10
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 0x45432b
movzx edx, word [esp + 0x30]
test dx, dx
js 0x454290
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x454340
mov eax, edx
and ax, 0x7fff
je 0x454030
mov edx, dword [ebx + 0xc]
mov edi, dword [esp + 0x28]
sub ax, 0x3fff
mov ebp, dword [esp + 0x2c]
cmp edx, 0xe
mov dword [esp], edi
mov dword [esp + 4], ebp
ja 0x4542c6
test ebp, ebp
js 0x453ea1
nop
lea esi, [esi]
shld ebp, edi, 1
add edi, edi
test ebp, ebp
jns 0x453e90
mov dword [esp], edi
mov dword [esp + 4], ebp
mov ecx, 0xe
mov edi, 4
mov ebp, 0
sub ecx, edx
xor esi, esi
shl ecx, 2
shld ebp, edi, cl
shl edi, cl
test cl, 0x20
cmovne ebp, edi
cmovne edi, esi
mov dword [esp + 8], edi
mov dword [esp + 0xc], ebp
mov edi, dword [esp]
mov ebp, dword [esp + 4]
shrd edi, ebp, 1
shr ebp, 1
mov esi, edi
add esi, dword [esp + 8]
mov edi, ebp
adc edi, dword [esp + 0xc]
test edi, edi
js 0x454323
shld edi, esi, 1
add esi, esi
mov ecx, 0xf
mov ebp, edi
mov edi, esi
sub ecx, edx
xor esi, esi
shl ecx, 2
shrd edi, ebp, cl
shr ebp, cl
test cl, 0x20
cmovne edi, ebp
cmovne ebp, esi
mov dword [esp], edi
mov dword [esp + 4], ebp
mov esi, dword [ebx + 4]
mov edi, dword [esp]
mov ebp, dword [esp + 4]
mov dword [esp + 8], ebx
mov edx, esi
mov dword [esp + 0x18], esi
lea esi, [esp + 0x38]
mov ecx, edx
and ecx, 0x800
mov dword [esp + 0x10], esi
mov dword [esp + 0x1c], ecx
mov ecx, edx
and ecx, 0x20
mov byte [esp + 0x17], cl
jmp 0x453f9c
mov ebx, dword [esp + 8]
mov ecx, dword [ebx + 0xc]
test ecx, ecx
jle 0x453f65
mov ebx, dword [esp + 8]
sub ecx, 1
mov dword [ebx + 0xc], ecx
shrd edi, ebp, 4
shr ebp, 4
test edx, edx
mov dword [esp], esi
je 0x454002
mov esi, dword [esp]
add esi, 1
cmp edx, 9
jle 0x454023
add edx, 0x37
or dl, byte [esp + 0x17]
mov ecx, dword [esp]
mov byte [ecx], dl
mov ecx, ebp
or ecx, edi
je 0x454090
mov edx, edi
and edx, 0xf
cmp edi, edx
jne 0x453f50
cmp esi, dword [esp + 0x10]
ja 0x453fc1
mov ebx, dword [esp + 0x1c]
test ebx, ebx
jne 0x453fc1
mov ecx, dword [esp + 8]
mov dword [esp], esi
mov ecx, dword [ecx + 0xc]
test ecx, ecx
jle 0x453fca
lea ecx, [esi + 1]
mov byte [esi], 0x2e
mov dword [esp], ecx
cmp ebp, 0
ja 0x453fd4
cmp edi, 1
jbe 0x453ff6
lea ecx, [eax - 1]
mov esi, esi
lea edi, [edi]
shrd edi, ebp, 1
shr ebp, 1
mov eax, ecx
mov ebx, edi
mov esi, ebp
lea ecx, [eax - 1]
xor ebx, 1
or esi, ebx
jne 0x453fe0
xor edi, edi
xor ebp, ebp
test edx, edx
jne 0x453f77
mov ecx, dword [esp + 0x10]
cmp dword [esp], ecx
ja 0x45401d
mov esi, dword [esp + 8]
mov ecx, dword [esi + 0xc]
mov esi, dword [esp]
test ecx, ecx
js 0x453f92
mov esi, dword [esp]
add esi, 1
add edx, 0x30
jmp 0x453f8d
mov ebp, dword [esp + 0x2c]
mov edi, dword [esp + 0x28]
mov ecx, ebp
mov dword [esp], edi
mov dword [esp + 4], ebp
or ecx, edi
je 0x4542aa
test ebp, ebp
js 0x454362
mov edx, 0xffffc001
lea esi, [esi]
lea edi, [edi]
shld ebp, edi, 1
mov eax, edx
add edi, edi
sub edx, 1
test ebp, ebp
jns 0x454060
mov dword [esp], edi
mov dword [esp + 4], ebp
mov edx, dword [ebx + 0xc]
cmp edx, 0xe
ja 0x453f19
jmp 0x453ea1
cmp esi, dword [esp + 0x10]
mov ebx, dword [esp + 8]
je 0x4542e6
mov edi, dword [ebx + 8]
test edi, edi
mov dword [esp + 8], edi
jle 0x45429c
cwde
mov edx, esi
sub edx, dword [esp + 0x10]
mov edi, eax
mov eax, dword [ebx + 0xc]
mov dword [esp], edi
lea ecx, [edx + eax]
test eax, eax
cmovg edx, ecx
xor eax, eax
test dword [esp + 0x18], 0x1c0
mov ecx, 0x66666667
setne al
lea ebp, [edx + eax + 5]
mov eax, edi
imul ecx
mov eax, edi
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x454358
mov edi, 2
mov eax, 0x66666667
add ebp, 1
add edi, 1
imul ecx
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x4540f5
movsx edi, di
mov eax, dword [esp + 8]
cmp eax, ebp
jle 0x454170
sub eax, ebp
test dword [esp + 0x18], 0x600
jne 0x4542be
sub eax, 1
mov dword [ebx + 8], eax
nop
mov edx, ebx
mov eax, 0x20
call fcn.00452bc0
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x454130
mov eax, dword [ebx + 4]
mov dword [esp + 0x18], eax
test byte [esp + 0x18], 0x80
je 0x45417e
mov esi, esi
lea edi, [edi]
mov edx, ebx
mov eax, 0x2d
call fcn.00452bc0
jmp 0x454197
mov dword [ebx + 8], 0xffffffff
test byte [esp + 0x18], 0x80
jne 0x454160
test dword [esp + 0x18], 0x100
jne 0x454301
test byte [esp + 0x18], 0x40
jne 0x454312
mov edx, ebx
mov eax, 0x30
call fcn.00452bc0
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x58
call fcn.00452bc0
mov eax, dword [ebx + 8]
test eax, eax
jle 0x4541e9
test byte [ebx + 5], 2
je 0x4541e9
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
lea edi, [edi]
mov edx, ebx
mov eax, 0x30
call fcn.00452bc0
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x4541d0
cmp esi, dword [esp + 0x10]
mov ebp, dword [esp + 0x10]
ja 0x454217
jmp 0x45423c
movzx eax, word [ebx + 0x1c]
test ax, ax
mov word [esp + 0x26], ax
je 0x454213
lea eax, [esp + 0x26]
mov ecx, ebx
mov edx, 1
call fcn.00452c20
cmp esi, ebp
je 0x45423c
sub esi, 1
movsx eax, byte [esi]
cmp eax, 0x2e
je 0x454280
cmp eax, 0x2c
je 0x4541f5
mov edx, ebx
call fcn.00452bc0
jmp 0x454213
mov edx, ebx
mov eax, 0x30
call fcn.00452bc0
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 0xc], edx
jg 0x454230
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call fcn.00452bc0
mov eax, dword [esp]
add dword [ebx + 8], edi
mov ecx, ebx
or dword [ebx + 4], 0x1c0
cdq
call fcn.00453450
add esp, 0x5c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, ebx
call fcn.00452f20
jmp 0x454213
or dword [ebx + 4], 0x80
jmp 0x453e44
cwde
mov edi, 2
mov dword [esp], eax
jmp 0x454177
mov edx, dword [ebx + 0xc]
cmp edx, 0xe
ja 0x4542d7
mov edi, dword [esp]
mov ebp, dword [esp + 4]
jmp 0x453e90
mov dword [ebx + 8], eax
jmp 0x454177
mov ebp, dword [esp + 4]
mov edi, dword [esp]
mov ecx, ebp
or ecx, edi
jne 0x453f19
mov edi, dword [ebx + 4]
mov dword [esp + 0x18], edi
lea edi, [esp + 0x38]
mov dword [esp + 0x10], edi
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x45436c
lea edx, [esp + 0x39]
mov byte [esp + 0x38], 0x2e
lea esi, [edx + 1]
mov byte [edx], 0x30
jmp 0x45409e
mov edx, ebx
mov eax, 0x2b
call fcn.00452bc0
jmp 0x454197
mov edx, ebx
mov eax, 0x20
call fcn.00452bc0
jmp 0x454197
add eax, 1
jmp 0x453ef4
fstp st(0)
mov ecx, ebx
mov edx, 0x485f5e
xor eax, eax
call fcn.00452e80
jmp 0x45426e
mov eax, edx
mov ecx, ebx
mov edx, 0x485f62
and eax, 0x8000
call fcn.00452e80
jmp 0x45426e
mov edi, 2
jmp 0x454111
mov eax, 0xffffc002
jmp 0x454076
test dword [esp + 0x18], 0x800
mov edx, dword [esp + 0x10]
je 0x4542f6
jmp 0x4542ed