Function at 0x403d90
Capabilities:
Encode data using xor

Disassembly:
push ebp
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x9c
fld xword [esp + 0xb0]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x4040d0
fld st(0)
fstp xword [esp + 0x50]
movzx edx, word [esp + 0x58]
test dx, dx
js 0x403fa0
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x500
je 0x4042a8
and dx, 0x7fff
fstp xword [esp + 0x40]
mov edi, dword [esp + 0x40]
mov ebp, dword [esp + 0x44]
mov word [esp + 0x30], dx
jne 0x403fb0
mov edx, ebp
or edx, edi
jne 0x404168
mov esi, dword [ebx + 0xc]
cmp esi, 0xe
jbe 0x403fd8
mov eax, dword [ebx + 4]
mov dword [esp + 0x38], eax
lea eax, [esp + 0x78]
mov dword [esp + 0x2c], eax
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x404348
mov byte [esp + 0x78], 0x2e
lea eax, [esp + 0x79]
mov byte [eax], 0x30
lea esi, [eax + 1]
mov eax, dword [ebx + 8]
mov dword [esp + 0x34], eax
test eax, eax
jle 0x40426a
mov edx, dword [ebx + 0xc]
mov eax, esi
sub eax, dword [esp + 0x2c]
movsx edi, word [esp + 0x30]
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0x38]
cmovg eax, ecx
mov dword [esp + 0x28], edi
and edx, 0x1c0
cmp edx, 1
mov edx, 0x66666667
sbb eax, 0xfffffffa
mov ebp, eax
mov eax, edi
imul edx
mov eax, edi
mov edi, ebp
sar eax, 0x1f
sar edx, 2
mov ecx, edx
sub ecx, eax
je 0x40435f
mov dword [esp + 0x30], esi
lea esi, [esi]
mov eax, 0x66666667
add edi, 1
imul ecx
mov eax, ecx
lea esi, [edi + 2]
sar eax, 0x1f
sub esi, ebp
sar edx, 2
mov ecx, edx
sub ecx, eax
jne 0x403e98
movsx ebp, si
mov esi, dword [esp + 0x30]
mov eax, dword [esp + 0x34]
cmp eax, edi
jle 0x404298
sub eax, edi
test dword [esp + 0x38], 0x600
je 0x404300
mov dword [ebx + 8], eax
test byte [esp + 0x38], 0x80
jne 0x404283
test dword [esp + 0x38], 0x100
jne 0x4042d0
test byte [esp + 0x38], 0x40
jne 0x4042e8
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 0x403f49
test byte [ebx + 5], 2
je 0x403f49
sub eax, 1
mov dword [ebx + 8], eax
nop
mov edx, ebx
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
mov dword [ebx + 8], edx
test eax, eax
jg 0x403f30
mov edi, dword [esp + 0x2c]
cmp esi, dword [esp + 0x2c]
ja 0x403f7a
jmp 0x4040fc
movzx eax, word [ebx + 0x1c]
mov word [esp + 0x68], ax
test ax, ax
jne 0x404230
cmp esi, edi
je 0x4040fc
movsx eax, byte [esi - 1]
sub esi, 1
cmp eax, 0x2e
je 0x4041b0
cmp eax, 0x2c
je 0x403f60
mov edx, ebx
call sym.___pformat_putc
jmp 0x403f72
or dword [ebx + 4], 0x80
jmp 0x403dca
mov esi, dword [ebx + 0xc]
sub word [esp + 0x30], 0x3fff
cmp esi, 0xe
jbe 0x403fde
mov eax, dword [ebx + 4]
mov edx, edi
or edx, ebp
mov dword [esp + 0x38], eax
jne 0x40403a
jmp 0x403e16
shld ebp, edi, 1
add edi, edi
test ebp, ebp
jns 0x403fd8
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, esi
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
je 0x404001
mov edx, eax
xor eax, eax
shrd edi, ebp, 1
shr ebp, 1
add eax, edi
adc edx, ebp
test edx, edx
js 0x4041a0
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
sub ecx, esi
xor esi, esi
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
and ecx, 0x20
cmovne eax, edx
cmovne edx, esi
mov edi, eax
mov ebp, edx
mov eax, dword [ebx + 4]
lea ecx, [esp + 0x78]
mov dword [esp + 0x38], eax
mov dword [esp + 0x2c], ecx
mov esi, ecx
mov ecx, eax
and eax, 0x20
and ecx, 0x800
mov byte [esp + 0x34], al
mov dword [esp + 0x3c], ecx
movzx ecx, word [esp + 0x30]
mov dword [esp + 0x28], ebx
jmp 0x404093
cmp esi, dword [esp + 0x2c]
ja 0x404081
mov ebx, dword [esp + 0x28]
mov ebx, dword [ebx + 0xc]
test ebx, ebx
js 0x404089
add eax, 0x30
mov byte [esi], al
add esi, 1
mov eax, edi
or eax, ebp
je 0x404248
mov edx, edi
mov eax, edi
and edx, 0xfffffff0
and eax, 0xf
or edx, ebp
je 0x4041c0
mov ebx, dword [esp + 0x28]
shrd edi, ebp, 4
shr ebp, 4
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x4040bd
sub edx, 1
mov dword [ebx + 0xc], edx
test eax, eax
je 0x404070
cmp eax, 9
jbe 0x404081
add eax, 0x37
or al, byte [esp + 0x34]
jmp 0x404084
fstp st(0)
add esp, 0x9c
mov ecx, ebx
mov edx, 0x40a2a3
xor eax, eax
pop ebx
pop esi
pop edi
pop ebp
jmp dbg.__pformat_emit_inf_or_nan
mov edx, ebx
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
mov dword [ebx + 0xc], edx
test eax, eax
jg 0x4040f0
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call sym.___pformat_putc
mov eax, dword [esp + 0x28]
add dword [ebx + 8], ebp
or dword [ebx + 4], 0x1c0
cdq
mov dword [esp + 0x68], eax
mov dword [esp + 0x6c], edx
mov ecx, edx
mov dword [esp], eax
mov eax, dword [esp + 0x6c]
sar ecx, 0x1f
mov dword [esp + 0x10], ebx
mov dword [esp + 0x70], ecx
mov dword [esp + 0x74], ecx
mov dword [esp + 4], eax
mov dword [esp + 8], ecx
mov dword [esp + 0xc], ecx
call dbg.__pformat_int
add esp, 0x9c
pop ebx
pop esi
pop edi
pop ebp
ret
test ebp, ebp
js 0x404369
mov eax, 0xffffc001
lea esi, [esi]
shld ebp, edi, 1
mov edx, eax
add edi, edi
sub eax, 1
test ebp, ebp
jns 0x404178
mov word [esp + 0x30], dx
mov esi, dword [ebx + 0xc]
cmp esi, 0xe
ja 0x404037
jmp 0x403fe2
add word [esp + 0x30], 1
jmp 0x404019
mov eax, ebx
call dbg.__pformat_emit_radix_point
jmp 0x403f72
cmp esi, dword [esp + 0x2c]
ja 0x4041e0
mov ebx, dword [esp + 0x3c]
test ebx, ebx
jne 0x4041e0
mov ebx, dword [esp + 0x28]
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x4041e6
lea esi, [esi]
mov byte [esi], 0x2e
add esi, 1
mov ebx, edi
mov edx, ebp
xor ebx, 1
mov dword [esp + 0x30], ebx
or edx, dword [esp + 0x30]
lea ebx, [ecx - 1]
je 0x404338
mov dword [esp + 0x30], eax
lea esi, [esi]
shrd edi, ebp, 1
shr ebp, 1
mov ecx, ebx
mov eax, edi
mov edx, ebp
lea ebx, [ecx - 1]
xor eax, 1
or edx, eax
jne 0x404208
mov eax, dword [esp + 0x30]
xor edi, edi
xor ebp, ebp
jmp 0x4040bd
mov ecx, ebx
mov edx, 1
lea eax, [esp + 0x68]
call dbg.__pformat_wputchars
jmp 0x403f72
mov word [esp + 0x30], cx
mov ebx, dword [esp + 0x28]
cmp esi, dword [esp + 0x2c]
je 0x403e1e
mov eax, dword [ebx + 8]
mov dword [esp + 0x34], eax
test eax, eax
jg 0x403e47
movsx eax, word [esp + 0x30]
mov ebp, 2
mov dword [esp + 0x28], eax
test byte [esp + 0x38], 0x80
je 0x403ee6
mov edx, ebx
mov eax, 0x2d
call sym.___pformat_putc
jmp 0x403eff
mov dword [ebx + 8], 0xffffffff
jmp 0x403edb
fstp st(0)
add esp, 0x9c
mov eax, edx
mov ecx, ebx
mov edx, 0x40a2a7
pop ebx
and eax, 0x8000
pop esi
pop edi
pop ebp
jmp dbg.__pformat_emit_inf_or_nan
mov edx, ebx
mov eax, 0x2b
call sym.___pformat_putc
jmp 0x403eff
mov edx, ebx
mov eax, 0x20
call sym.___pformat_putc
jmp 0x403eff
lea edx, [eax - 1]
mov dword [ebx + 8], edx
test eax, eax
jle 0x403edb
nop
mov edx, ebx
mov eax, 0x20
call sym.___pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
mov dword [ebx + 8], edx
test eax, eax
jg 0x404310
mov eax, dword [ebx + 4]
mov dword [esp + 0x38], eax
jmp 0x403edb
xor edi, edi
xor ebp, ebp
jmp 0x4040bd
mov eax, dword [esp + 0x2c]
test dword [esp + 0x38], 0x800
je 0x403e32
jmp 0x403e29
mov ebp, 2
jmp 0x403ebc
mov eax, 0xffffc002
mov word [esp + 0x30], ax
jmp 0x40418c