Function at 0x421640
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, eax
push esi
push ebx
and esp, 0xfffffff0
sub esp, 0x60
fld xword [ebp + 8]
fld st(0)
fstp xword [esp + 0x38]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x4219f8
fld st(0)
fstp xword [esp + 0x20]
movzx edx, word [esp + 0x28]
test dx, dx
js 0x4218c0
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x421b58
and dx, 0x7fff
mov ebx, dword [esp + 0x38]
mov esi, dword [esp + 0x3c]
mov word [esp + 0x14], dx
jne 0x4218d0
mov eax, esi
or eax, ebx
jne 0x421a10
mov eax, dword [edi + 0xc]
mov dword [esp + 0x1c], eax
cmp eax, 0xe
jbe 0x4218f8
mov eax, dword [edi + 4]
mov dword [esp + 0x10], eax
lea eax, [esp + 0x48]
mov dword [esp + 0x1c], eax
mov edx, dword [edi + 0xc]
test edx, edx
jle 0x421bf8
mov byte [esp + 0x48], 0x2e
lea eax, [esp + 0x49]
lea esi, [eax + 1]
mov byte [eax], 0x30
mov eax, dword [edi + 8]
mov dword [esp + 0xc], esi
mov dword [esp + 8], eax
test eax, eax
jle 0x421b1b
mov edx, dword [edi + 0xc]
mov eax, dword [esp + 0xc]
sub eax, dword [esp + 0x1c]
movsx ebx, word [esp + 0x14]
lea ecx, [eax + edx]
test edx, edx
cmovg eax, ecx
xor edx, edx
mov ecx, 0x66666667
mov dword [esp + 0x14], ebx
test dword [esp + 0x10], 0x1c0
setne dl
lea esi, [eax + edx + 5]
mov eax, ebx
imul ecx
mov eax, ebx
mov dword [esp + 0x18], esi
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x421c10
lea esi, [esi]
mov eax, 0x66666667
add esi, 1
imul ecx
sar ecx, 0x1f
lea ebx, [esi + 2]
sub bx, word [esp + 0x18]
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x421750
movsx ebx, bx
mov eax, dword [esp + 8]
cmp eax, esi
jle 0x421b48
sub eax, esi
test dword [esp + 0x10], 0x600
je 0x421ba8
mov dword [edi + 8], eax
test byte [esp + 0x10], 0x80
jne 0x421b34
test dword [esp + 0x10], 0x100
jne 0x421b78
test byte [esp + 0x10], 0x40
jne 0x421b90
mov edx, edi
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [edi + 4]
mov edx, edi
and eax, 0x20
or eax, 0x58
call dbg.__pformat_putc
mov eax, dword [edi + 8]
test eax, eax
jle 0x421801
test byte [edi + 5], 2
je 0x421801
sub eax, 1
mov dword [edi + 8], eax
lea esi, [esi]
nop
mov edx, edi
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [edi + 8]
lea edx, [eax - 1]
mov dword [edi + 8], edx
test eax, eax
jg 0x4217e8
mov esi, dword [esp + 0x1c]
cmp dword [esp + 0xc], esi
jbe 0x42187c
mov eax, edi
mov esi, dword [esp + 0xc]
mov edi, ebx
mov ebx, eax
jmp 0x421838
movzx eax, word [ebx + 0x1c]
mov word [esp + 0x36], ax
test ax, ax
jne 0x421ae0
cmp esi, dword [esp + 0x1c]
je 0x42185a
movsx eax, byte [esi - 1]
sub esi, 1
cmp eax, 0x2e
je 0x421a60
cmp eax, 0x2c
je 0x421820
mov edx, ebx
call dbg.__pformat_putc
cmp esi, dword [esp + 0x1c]
jne 0x421838
mov eax, ebx
mov ebx, edi
mov edi, eax
mov eax, dword [edi + 0xc]
lea edx, [eax - 1]
mov dword [edi + 0xc], edx
test eax, eax
jle 0x421889
lea esi, [esi]
mov edx, edi
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [edi + 0xc]
lea edx, [eax - 1]
mov dword [edi + 0xc], edx
test eax, eax
jg 0x421870
mov eax, dword [edi + 4]
mov edx, edi
and eax, 0x20
or eax, 0x50
call dbg.__pformat_putc
add dword [edi + 8], ebx
mov eax, dword [esp + 0x14]
mov ecx, edi
or dword [edi + 4], 0x1c0
cdq
call sym.___pformat_int.isra.0
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
or dword [edi + 4], 0x80
jmp 0x42167e
mov eax, dword [edi + 0xc]
sub word [esp + 0x14], 0x3fff
mov dword [esp + 0x1c], eax
cmp eax, 0xe
jbe 0x4218fe
mov eax, dword [edi + 4]
mov dword [esp + 0x10], eax
mov eax, esi
or eax, ebx
jne 0x421962
jmp 0x4216cc
shld esi, ebx, 1
add ebx, ebx
test esi, esi
jns 0x4218f8
mov ecx, 0xe
sub ecx, dword [esp + 0x1c]
mov eax, 4
xor edx, edx
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
je 0x421923
mov edx, eax
xor eax, eax
shrd ebx, esi, 1
shr esi, 1
add eax, ebx
adc edx, esi
test edx, edx
js 0x421a50
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
sub ecx, dword [esp + 0x1c]
xor ebx, ebx
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
test cl, 0x20
cmovne eax, edx
cmovne edx, ebx
mov ebx, eax
mov eax, dword [edi + 4]
mov esi, edx
mov dword [esp + 0x10], eax
mov ecx, dword [esp + 0x10]
lea eax, [esp + 0x48]
mov dword [esp + 0x18], edi
mov dword [esp + 0x1c], eax
mov edx, ecx
and ecx, 0x20
and edx, 0x800
mov byte [esp + 0xc], cl
mov dword [esp + 4], edx
jmp 0x4219b5
xor ecx, ecx
cmp eax, dword [esp + 0x1c]
ja 0x4219a3
mov edx, dword [esp + 0x18]
mov edi, dword [edx + 0xc]
test edi, edi
js 0x4219ab
lea edx, [ecx + 0x30]
mov byte [eax], dl
add eax, 1
mov edi, esi
or edi, ebx
je 0x421af8
mov edi, ebx
mov edx, ebx
and edi, 0xfffffff0
and edx, 0xf
or edi, esi
je 0x421a70
mov edi, dword [esp + 0x18]
shrd ebx, esi, 4
shr esi, 4
mov ecx, dword [edi + 0xc]
test ecx, ecx
jle 0x4219df
sub ecx, 1
mov dword [edi + 0xc], ecx
test edx, edx
je 0x421990
mov ecx, edx
cmp edx, 9
jbe 0x4219a3
add edx, 0x37
or dl, byte [esp + 0xc]
jmp 0x4219a6
fstp st(0)
mov ecx, edi
mov edx, 0x4fbe07
xor eax, eax
call dbg.__pformat_emit_inf_or_nan
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
test esi, esi
js 0x421c20
mov eax, 0xffffc001
lea esi, [esi]
shld esi, ebx, 1
mov edx, eax
add ebx, ebx
sub eax, 1
test esi, esi
jns 0x421a20
mov word [esp + 0x14], dx
mov eax, dword [edi + 0xc]
mov dword [esp + 0x1c], eax
cmp eax, 0xe
jbe 0x421902
mov eax, dword [edi + 4]
mov dword [esp + 0x10], eax
jmp 0x421962
add word [esp + 0x14], 1
jmp 0x42193b
mov eax, ebx
call dbg.__pformat_emit_radix_point
jmp 0x421832
cmp eax, dword [esp + 0x1c]
ja 0x421a90
mov edi, dword [esp + 4]
test edi, edi
jne 0x421a90
mov ecx, dword [esp + 0x18]
mov ecx, dword [ecx + 0xc]
test ecx, ecx
jle 0x421a96
lea esi, [esi]
mov byte [eax], 0x2e
add eax, 1
movzx ecx, word [esp + 0x14]
mov edi, ebx
xor edi, 1
sub ecx, 1
or edi, esi
je 0x421be8
mov dword [esp + 8], edx
mov edi, eax
lea esi, [esi]
shrd ebx, esi, 1
shr esi, 1
mov edx, ecx
mov eax, ebx
lea ecx, [edx - 1]
xor eax, 1
or eax, esi
jne 0x421ab8
mov word [esp + 0x14], dx
mov eax, edi
mov edx, dword [esp + 8]
xor ebx, ebx
xor esi, esi
jmp 0x4219df
mov ecx, ebx
mov edx, 1
lea eax, [esp + 0x36]
call dbg.__pformat_wputchars
jmp 0x421832
mov esi, dword [esp + 0x1c]
mov edi, dword [esp + 0x18]
mov dword [esp + 0xc], eax
cmp eax, esi
je 0x4216d4
mov eax, dword [edi + 8]
mov dword [esp + 8], eax
test eax, eax
jg 0x421701
movsx eax, word [esp + 0x14]
mov ebx, 2
mov dword [esp + 0x14], eax
test byte [esp + 0x10], 0x80
je 0x42179b
mov edx, edi
mov eax, 0x2d
call dbg.__pformat_putc
jmp 0x4217b4
mov dword [edi + 8], 0xffffffff
jmp 0x421790
mov eax, edx
mov ecx, edi
mov edx, 0x4fbe0b
and eax, 0x8000
call dbg.__pformat_emit_inf_or_nan
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov edx, edi
mov eax, 0x2b
call dbg.__pformat_putc
jmp 0x4217b4
mov edx, edi
mov eax, 0x20
call dbg.__pformat_putc
jmp 0x4217b4
lea edx, [eax - 1]
mov dword [edi + 8], edx
test eax, eax
jle 0x421790
lea esi, [esi]
lea esi, [esi]
mov edx, edi
mov eax, 0x20
call dbg.__pformat_putc
mov eax, dword [edi + 8]
lea edx, [eax - 1]
mov dword [edi + 8], edx
test eax, eax
jg 0x421bc0
mov eax, dword [edi + 4]
mov dword [esp + 0x10], eax
jmp 0x421790
xor ebx, ebx
xor esi, esi
jmp 0x4219df
mov eax, dword [esp + 0x1c]
test dword [esp + 0x10], 0x800
je 0x4216e8
jmp 0x4216df
mov esi, dword [esp + 0x18]
mov ebx, 2
jmp 0x421771
mov eax, 0xffffc002
mov word [esp + 0x14], ax
jmp 0x421a34