Function at 0x4187a0
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 0x418ca4
movzx edi, word [esp + 0x30]
mov esi, edi
and esi, 0x8000
jne 0x418910
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x418cb9
and di, 0x7fff
mov ecx, edi
je 0x418920
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 0x418a71
mov eax, edi
or eax, esi
je 0x418c3b
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 0x418897
mov ebx, dword [esp + 8]
mov ebx, dword [ebx + 0xc]
test ebx, ebx
jle 0x41886a
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 0x4188ef
cmp eax, 9
lea ecx, [ebp + 1]
jle 0x418907
add eax, 0x37
or al, byte [esp + 0x10]
mov byte [ebp], al
mov eax, edi
or eax, esi
je 0x418970
mov eax, esi
and eax, 0xf
cmp eax, esi
jne 0x418855
cmp ecx, dword [esp + 0xc]
ja 0x4188c0
mov ebp, dword [esp + 0x1c]
test ebp, ebp
jne 0x4188c0
mov ebx, dword [esp + 8]
mov ebp, ecx
mov ebx, dword [ebx + 0xc]
test ebx, ebx
jle 0x4188c6
nop
lea esi, [esi]
lea ebp, [ecx + 1]
mov byte [ecx], 0x2e
cmp edi, 0
ja 0x4188d0
cmp esi, 1
jbe 0x4188e7
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 0x4188d3
xor esi, esi
xor edi, edi
test eax, eax
jne 0x418877
cmp ebp, dword [esp + 0xc]
ja 0x418904
mov ecx, dword [esp + 8]
mov ecx, dword [ecx + 0xc]
test ecx, ecx
js 0x418af0
lea ecx, [ebp + 1]
add eax, 0x30
jmp 0x41888a
or dword [ebx + 4], 0x80
jmp 0x4187d9
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
mov edi, edx
or edi, eax
je 0x418c2c
test edx, edx
js 0x418cde
mov ecx, 0xffffc001
nop
shld edx, eax, 1
mov edi, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x418940
mov word [esp + 0x16], di
mov esi, eax
mov edi, edx
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
jbe 0x418a8f
jmp 0x418824
cmp ecx, dword [esp + 0xc]
mov word [esp + 0x16], dx
mov ebp, ecx
mov ebx, dword [esp + 8]
je 0x418cd6
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jle 0x418c19
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 0x418ccc
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 0x4189e1
movsx edi, di
cmp dword [esp + 8], esi
jle 0x418b00
mov eax, dword [esp + 8]
sub eax, esi
test dword [esp + 0x18], 0x600
jne 0x418c66
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jle 0x418b07
lea esi, [esi]
mov edx, ebx
mov eax, 0x20
call dbg.__pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x418a30
mov eax, dword [ebx + 4]
mov dword [esp + 0x18], eax
test byte [esp + 0x18], 0x80
je 0x418b12
nop
lea esi, [esi]
mov edx, ebx
mov eax, 0x2d
call dbg.__pformat_putc
jmp 0x418b2b
test edi, edi
js 0x418a8f
mov ecx, eax
mov esi, esi
lea edi, [edi]
shld edi, esi, 1
add esi, esi
test edi, edi
jns 0x418a80
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 0x418ab4
mov edx, eax
xor eax, eax
add eax, esi
adc edx, edi
test edx, edx
js 0x418c99
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 0x418824
mov ecx, ebp
jmp 0x41888d
mov dword [ebx + 8], 0xffffffff
test byte [esp + 0x18], 0x80
jne 0x418a60
test dword [esp + 0x18], 0x100
jne 0x418c77
test byte [esp + 0x18], 0x40
jne 0x418c88
mov edx, ebx
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x58
call dbg.__pformat_putc
mov eax, dword [ebx + 8]
test eax, eax
jle 0x418b79
test byte [ebx + 5], 2
je 0x418b79
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
mov edx, ebx
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x418b60
cmp ebp, dword [esp + 0xc]
mov esi, dword [esp + 0xc]
ja 0x418ba7
jmp 0x418bcd
movzx eax, word [ebx + 0x1c]
test ax, ax
mov word [esp + 0x26], ax
je 0x418ba3
lea eax, [esp + 0x26]
mov ecx, ebx
mov edx, 1
call dbg.__pformat_wputchars
cmp ebp, esi
je 0x418bcd
sub ebp, 1
movsx eax, byte [ebp]
cmp eax, 0x2e
je 0x418c10
cmp eax, 0x2c
je 0x418b85
mov edx, ebx
call dbg.__pformat_putc
jmp 0x418ba3
mov edx, ebx
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 0xc], edx
jg 0x418bc1
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call dbg.__pformat_putc
mov eax, dword [esp + 0x10]
add dword [ebx + 8], edi
mov ecx, ebx
or dword [ebx + 4], 0x1c0
cdq
call dbg.__pformat_int
add esp, 0x5c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, ebx
call dbg.__pformat_emit_radix_point
jmp 0x418ba3
movsx eax, word [esp + 0x16]
mov edi, 2
mov dword [esp + 0x10], eax
jmp 0x418b07
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
jbe 0x418c6e
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 0x418cf1
lea eax, [esp + 0x39]
mov byte [esp + 0x38], 0x2e
lea ebp, [eax + 1]
mov byte [eax], 0x30
jmp 0x418985
mov dword [ebx + 8], eax
jmp 0x418b07
xor esi, esi
xor edi, edi
jmp 0x418a80
mov edx, ebx
mov eax, 0x2b
call dbg.__pformat_putc
jmp 0x418b2b
mov edx, ebx
mov eax, 0x20
call dbg.__pformat_putc
jmp 0x418b2b
add word [esp + 0x16], 1
jmp 0x418ac6
fstp st(0)
mov ecx, ebx
mov edx, 0x4924c0
xor eax, eax
call dbg.__pformat_emit_inf_or_nan
jmp 0x418c00
mov ecx, ebx
mov edx, 0x4924c4
mov eax, esi
call dbg.__pformat_emit_inf_or_nan
jmp 0x418c00
mov edi, 2
jmp 0x4189fd
mov ebp, dword [ebx + 0xc]
jmp 0x418c4a
mov esi, eax
mov eax, 0xffffc002
mov edi, edx
mov word [esp + 0x16], ax
jmp 0x418958
test dword [esp + 0x18], 0x800
mov eax, dword [esp + 0xc]
je 0x418c5b
jmp 0x418c52