Function at 0x438240
Capabilities:
Encode data using xor

Disassembly:
push ebp
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x7c
fld xword [esp + 0x90]
fld st(0)
fstp xword [esp + 0x48]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x438731
fld st(0)
fstp xword [esp + 0x30]
movzx edx, word [esp + 0x38]
test dx, dx
jns 0x438280
or dword [ebx + 4], 0x80
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x500
je 0x438761
and dx, 0x7fff
mov word [esp + 0x18], dx
jne 0x438300
fstp xword [esp + 0x20]
mov ebp, dword [esp + 0x24]
mov edi, dword [esp + 0x20]
mov edx, ebp
mov dword [esp], edi
mov dword [esp + 4], ebp
or edx, edi
je 0x438450
test ebp, ebp
js 0x43882a
mov esi, edi
mov eax, 0xffffc001
mov edi, ebp
lea esi, [esi]
shld edi, esi, 1
mov edx, eax
add esi, esi
sub eax, 1
test edi, edi
jns 0x4382d0
mov dword [esp], esi
mov dword [esp + 4], edi
mov word [esp + 0x18], dx
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
ja 0x4383a2
jmp 0x438341
fstp st(0)
mov ebp, dword [ebx + 0xc]
mov eax, dword [esp + 0x48]
mov edx, dword [esp + 0x4c]
sub word [esp + 0x18], 0x3fff
cmp ebp, 0xe
mov dword [esp], eax
mov dword [esp + 4], edx
ja 0x438470
test edx, edx
js 0x438341
mov esi, eax
mov edi, edx
lea esi, [esi]
shld edi, esi, 1
add esi, esi
test edi, edi
jns 0x438330
mov dword [esp], esi
mov dword [esp + 4], edi
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, ebp
xor esi, esi
mov edi, dword [esp + 4]
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
cmovne edx, eax
cmovne eax, esi
mov esi, dword [esp]
shrd esi, edi, 1
shr edi, 1
add esi, eax
adc edi, edx
test edi, edi
js 0x438780
shld edi, esi, 1
add esi, esi
mov ecx, 0xf
xor eax, eax
sub ecx, ebp
shl ecx, 2
shrd esi, edi, cl
shr edi, cl
test cl, 0x20
cmovne esi, edi
cmovne edi, eax
mov dword [esp], esi
mov dword [esp + 4], edi
mov eax, dword [ebx + 4]
mov dword [esp + 0x14], eax
lea eax, [esp + 0x58]
mov esi, dword [esp]
mov dword [esp], ebx
mov dword [esp + 0x10], eax
mov ebp, eax
mov eax, dword [esp + 0x14]
mov edi, eax
and eax, 0x20
and edi, 0x800
mov byte [esp + 0x1b], al
mov dword [esp + 0x1c], edi
mov edi, dword [esp + 4]
jmp 0x438405
xor eax, eax
cmp ebp, dword [esp + 0x10]
ja 0x4383f2
mov ebx, dword [esp]
mov ecx, dword [ebx + 0xc]
test ecx, ecx
js 0x4383fb
lea ecx, [eax + 0x30]
mov byte [ebp], cl
add ebp, 1
mov edx, edi
or edx, esi
je 0x4386e0
mov ecx, esi
mov dword [esp + 0xc], 0
and ecx, 0xf
mov ebx, ecx
mov dword [esp + 8], ecx
xor ebx, esi
mov eax, ebx
or eax, edi
je 0x438650
mov edx, dword [esp]
shrd esi, edi, 4
shr edi, 4
mov eax, dword [edx + 0xc]
test eax, eax
jle 0x43843b
sub eax, 1
mov dword [edx + 0xc], eax
test ecx, ecx
je 0x4383e0
cmp ecx, 9
mov eax, ecx
jbe 0x4383f2
add ecx, 0x37
or cl, byte [esp + 0x1b]
jmp 0x4383f5
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
ja 0x4387f0
mov esi, dword [esp]
mov edi, dword [esp + 4]
jmp 0x438330
mov ebp, dword [esp + 4]
mov edi, dword [esp]
mov eax, dword [ebx + 4]
mov edx, ebp
or edx, edi
mov dword [esp + 0x14], eax
jne 0x4383a9
lea eax, [esp + 0x58]
mov dword [esp + 0x10], eax
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x438800
lea eax, [esp + 0x59]
mov byte [esp + 0x58], 0x2e
lea ebp, [eax + 1]
mov byte [eax], 0x30
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jle 0x4386fc
mov eax, ebp
sub eax, dword [esp + 0x10]
mov edx, dword [ebx + 0xc]
movsx esi, word [esp + 0x18]
test edx, edx
lea ecx, [eax + edx]
mov dword [esp], esi
cmovg eax, ecx
xor edx, edx
test dword [esp + 0x14], 0x1c0
mov ecx, 0x66666667
setne dl
lea edi, [eax + edx + 5]
mov eax, esi
imul ecx
mov eax, esi
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x438820
mov esi, 2
mov eax, 0x66666667
add edi, 1
add esi, 1
imul ecx
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x438503
movsx esi, si
mov eax, dword [esp + 8]
cmp eax, edi
jle 0x438725
sub eax, edi
test dword [esp + 0x14], 0x600
je 0x4387a0
mov dword [ebx + 8], eax
test byte [esp + 0x14], 0x80
jne 0x438714
test dword [esp + 0x14], 0x100
jne 0x438750
test byte [esp + 0x14], 0x40
jne 0x4387d5
mov edx, ebx
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x58
call sym.___pformat_putc
mov eax, dword [ebx + 8]
test eax, eax
jle 0x4385aa
test byte [ebx + 5], 2
je 0x4385aa
sub eax, 1
mov dword [ebx + 8], eax
mov edx, ebx
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x438591
cmp ebp, dword [esp + 0x10]
mov edi, dword [esp + 0x10]
ja 0x4385e4
jmp 0x43860e
movzx eax, word [ebx + 0x1c]
test ax, ax
mov word [esp + 0x46], ax
je 0x4385e0
lea eax, [esp + 0x46]
mov ecx, ebx
mov edx, 1
call sym.___pformat_wputchars
nop
cmp ebp, edi
je 0x43860e
sub ebp, 1
movsx eax, byte [ebp]
cmp eax, 0x2e
je 0x4386d0
cmp eax, 0x2c
je 0x4385c0
mov edx, ebx
call sym.___pformat_putc
jmp 0x4385e0
mov edx, ebx
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 0xc], edx
jg 0x438602
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call sym.___pformat_putc
add dword [ebx + 8], esi
mov eax, dword [esp]
mov ecx, ebx
or dword [ebx + 4], 0x1c0
cdq
call sym.___pformat_int.isra.0
add esp, 0x7c
pop ebx
pop esi
pop edi
pop ebp
ret
cmp ebp, dword [esp + 0x10]
ja 0x438670
mov eax, dword [esp + 0x1c]
test eax, eax
jne 0x438670
mov eax, dword [esp]
mov eax, dword [eax + 0xc]
test eax, eax
jle 0x438677
nop
lea esi, [esi]
mov byte [ebp], 0x2e
add ebp, 1
mov eax, esi
mov esi, edi
movzx edi, word [esp + 0x18]
xor eax, 1
or eax, esi
lea ebx, [edi - 1]
je 0x438790
mov dword [esp + 8], ebp
mov eax, ecx
xor edx, edx
mov ebp, ecx
nop
lea esi, [esi]
shrd eax, edx, 1
shr edx, 1
mov esi, ebx
mov edi, eax
mov ecx, edx
lea ebx, [esi - 1]
xor edi, 1
or ecx, edi
jne 0x4386a0
mov ecx, ebp
mov word [esp + 0x18], si
mov ebp, dword [esp + 8]
xor esi, esi
xor edi, edi
jmp 0x43843b
mov eax, ebx
call sym.___pformat_emit_radix_point
jmp 0x4385e0
cmp ebp, dword [esp + 0x10]
mov ebx, dword [esp]
je 0x438490
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jg 0x4384b9
movsx eax, word [esp + 0x18]
test byte [esp + 0x14], 0x80
mov esi, 2
mov dword [esp], eax
je 0x438549
mov edx, ebx
mov eax, 0x2d
call sym.___pformat_putc
jmp 0x438562
mov dword [ebx + 8], 0xffffffff
jmp 0x43853e
fstp st(0)
mov ecx, ebx
mov edx, 0x46fe67
xor eax, eax
call sym.___pformat_emit_inf_or_nan
add esp, 0x7c
pop ebx
pop esi
pop edi
pop ebp
ret
mov edx, ebx
mov eax, 0x2b
call sym.___pformat_putc
jmp 0x438562
fstp st(0)
mov eax, edx
mov ecx, ebx
mov edx, 0x46fe6b
and eax, 0x8000
call sym.___pformat_emit_inf_or_nan
add esp, 0x7c
pop ebx
pop esi
pop edi
pop ebp
ret
add word [esp + 0x18], 1
jmp 0x438381
xor esi, esi
xor edi, edi
jmp 0x43843b
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
lea edi, [edi]
mov edx, ebx
mov eax, 0x20
call sym.___pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x4387b0
mov eax, dword [ebx + 4]
mov dword [esp + 0x14], eax
jmp 0x43853e
mov edx, ebx
mov eax, 0x20
call sym.___pformat_putc
jmp 0x438562
mov eax, dword [ebx + 4]
mov dword [esp + 0x14], eax
jmp 0x438488
test dword [esp + 0x14], 0x800
mov eax, dword [esp + 0x10]
je 0x4384a4
jmp 0x43849b
mov esi, 2
jmp 0x43851f
mov eax, 0xffffc002
mov word [esp + 0x18], ax
jmp 0x4382eb