Function at 0x4202f0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
mov esi, eax
push ebx
and esp, 0xfffffff0
sub esp, 0xa0
fld xword [ebp + 8]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x4204f0
fld st(0)
fstp xword [esp + 0x60]
movzx edi, word [esp + 0x68]
test di, di
js 0x4203a0
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x500
je 0x420848
fstp xword [esp + 0x50]
mov edx, dword [esp + 0x54]
mov eax, dword [esp + 0x50]
mov ecx, edx
mov dword [esp + 0x48], eax
mov edx, eax
mov dword [esp + 0x4c], ecx
and di, 0x7fff
jne 0x4203b0
mov eax, ecx
or eax, edx
je 0x420510
mov eax, edx
mov edx, ecx
test ecx, ecx
js 0x42091c
mov ecx, 0xffffc001
lea esi, [esi]
shld edx, eax, 1
mov edi, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x420378
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], edx
mov ebx, dword [esi + 0xc]
cmp ebx, 0xe
ja 0x42044f
jmp 0x4203e2
or dword [esi + 4], 0x80
jmp 0x420327
mov ebx, dword [esi + 0xc]
sub di, 0x3fff
cmp ebx, 0xe
ja 0x420528
mov edx, dword [esp + 0x4c]
mov eax, dword [esp + 0x48]
test edx, edx
js 0x4203e2
lea esi, [esi]
shld edx, eax, 1
add eax, eax
test edx, edx
jns 0x4203d0
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], edx
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, ebx
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
je 0x420401
mov edx, eax
xor eax, eax
mov dword [esp + 0x40], eax
mov eax, dword [esp + 0x48]
mov dword [esp + 0x44], edx
mov edx, dword [esp + 0x4c]
shrd eax, edx, 1
shr edx, 1
add eax, dword [esp + 0x40]
adc edx, dword [esp + 0x44]
test edx, edx
js 0x420880
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
sub ecx, ebx
xor ebx, ebx
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
and ecx, 0x20
cmovne eax, edx
cmovne edx, ebx
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], edx
mov eax, dword [esi + 4]
lea ebx, [esp + 0x88]
mov word [esp + 0x34], di
mov dword [esp + 0x40], ebx
mov edx, eax
mov ecx, eax
mov dword [esp + 0x38], eax
mov eax, dword [esp + 0x48]
and edx, 0x800
and ecx, 0x20
mov dword [esp + 0x48], esi
mov dword [esp + 0x2c], edx
mov edx, dword [esp + 0x4c]
mov byte [esp + 0x3c], cl
jmp 0x4204b3
cmp ebx, dword [esp + 0x40]
ja 0x4204a1
mov edi, dword [esp + 0x48]
mov esi, dword [edi + 0xc]
test esi, esi
js 0x4204a9
add ecx, 0x30
mov byte [ebx], cl
add ebx, 1
mov edi, edx
or edi, eax
je 0x4207e8
mov edi, eax
mov ecx, eax
and edi, 0xfffffff0
and ecx, 0xf
or edi, edx
je 0x420760
mov edi, dword [esp + 0x48]
shrd eax, edx, 4
shr edx, 4
mov esi, dword [edi + 0xc]
test esi, esi
jle 0x4204dd
sub esi, 1
mov dword [edi + 0xc], esi
test ecx, ecx
je 0x420490
cmp ecx, 9
jbe 0x4204a1
add ecx, 0x37
or cl, byte [esp + 0x3c]
jmp 0x4204a4
fstp st(0)
lea esp, [ebp - 0xc]
mov ecx, esi
mov edx, 0x42b21b
xor eax, eax
pop ebx
pop esi
pop edi
pop ebp
jmp dbg.__pformat_emit_inf_or_nan
mov ebx, dword [esi + 0xc]
cmp ebx, 0xe
ja 0x42053a
mov eax, dword [esp + 0x48]
mov edx, dword [esp + 0x4c]
jmp 0x4203d0
mov ecx, dword [esp + 0x4c]
mov edx, dword [esp + 0x48]
mov eax, ecx
or eax, edx
jne 0x42044f
mov eax, dword [esi + 4]
mov dword [esp + 0x38], eax
lea eax, [esp + 0x88]
mov dword [esp + 0x40], eax
mov eax, dword [esi + 0xc]
test eax, eax
jle 0x4208f8
mov byte [esp + 0x88], 0x2e
lea eax, [esp + 0x89]
mov byte [eax], 0x30
lea ebx, [eax + 1]
mov eax, dword [esi + 8]
mov dword [esp + 0x34], eax
test eax, eax
jle 0x42080a
movsx edx, di
mov eax, ebx
sub eax, dword [esp + 0x40]
mov dword [esp + 0x48], edx
mov edx, dword [esi + 0xc]
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0x38]
cmovg eax, ecx
mov ecx, 0x66666667
and edx, 0x1c0
mov edi, eax
mov eax, dword [esp + 0x48]
cmp edx, 1
sbb edi, 0xfffffffa
imul ecx
mov eax, dword [esp + 0x48]
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x42090f
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x30], esi
mov esi, edi
nop
mov eax, 0x66666667
add edi, 1
imul ecx
mov eax, ecx
lea ebx, [edi + 2]
sar eax, 0x1f
sub ebx, esi
sar edx, 2
sub edx, eax
mov ecx, edx
jne 0x4205d0
movsx eax, bx
mov ebx, dword [esp + 0x3c]
mov esi, dword [esp + 0x30]
mov dword [esp + 0x3c], eax
mov eax, dword [esp + 0x34]
cmp eax, edi
jle 0x420838
sub eax, edi
test dword [esp + 0x38], 0x600
je 0x4208a8
mov dword [esi + 8], eax
test byte [esp + 0x38], 0x80
jne 0x420824
test dword [esp + 0x38], 0x100
jne 0x420868
test byte [esp + 0x38], 0x40
jne 0x420890
mov edx, esi
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [esi + 4]
mov edx, esi
and eax, 0x20
or eax, 0x58
call sym.___pformat_putc
mov eax, dword [esi + 8]
test eax, eax
jle 0x420689
test byte [esi + 5], 2
je 0x420689
sub eax, 1
mov dword [esi + 8], eax
nop
mov edx, esi
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [esi + 8]
lea edx, [eax - 1]
mov dword [esi + 8], edx
test eax, eax
jg 0x420670
mov edi, dword [esp + 0x40]
cmp ebx, dword [esp + 0x40]
ja 0x4206ae
jmp 0x4206dc
movzx eax, word [esi + 0x1c]
mov word [esp + 0x78], ax
test ax, ax
jne 0x4207d0
cmp ebx, edi
je 0x4206dc
movsx eax, byte [ebx - 1]
sub ebx, 1
cmp eax, 0x2e
je 0x420750
cmp eax, 0x2c
je 0x420698
mov edx, esi
call sym.___pformat_putc
jmp 0x4206aa
mov edx, esi
mov eax, 0x30
call sym.___pformat_putc
mov eax, dword [esi + 0xc]
lea edx, [eax - 1]
mov dword [esi + 0xc], edx
test eax, eax
jg 0x4206d0
mov eax, dword [esi + 4]
mov edx, esi
and eax, 0x20
or eax, 0x50
call sym.___pformat_putc
mov eax, dword [esp + 0x3c]
add dword [esi + 8], eax
mov eax, dword [esp + 0x48]
or dword [esi + 4], 0x1c0
mov dword [esp + 0x10], esi
cdq
mov dword [esp + 0x78], eax
mov dword [esp + 0x7c], edx
mov ecx, edx
mov dword [esp], eax
mov eax, dword [esp + 0x7c]
sar ecx, 0x1f
mov dword [esp + 0x80], ecx
mov dword [esp + 0x84], ecx
mov dword [esp + 4], eax
mov dword [esp + 8], ecx
mov dword [esp + 0xc], ecx
call dbg.__pformat_int
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, esi
call dbg.__pformat_emit_radix_point
jmp 0x4206aa
cmp ebx, dword [esp + 0x40]
ja 0x420780
mov edi, dword [esp + 0x2c]
test edi, edi
jne 0x420780
mov esi, dword [esp + 0x48]
mov esi, dword [esi + 0xc]
test esi, esi
jle 0x420786
lea esi, [esi]
mov byte [ebx], 0x2e
add ebx, 1
mov esi, eax
xor esi, 1
mov edi, esi
movzx esi, word [esp + 0x34]
sub esi, 1
or edi, edx
je 0x4208e8
mov dword [esp + 0x30], ebx
mov ebx, ecx
lea esi, [esi]
nop
shrd eax, edx, 1
shr edx, 1
mov edi, esi
mov ecx, eax
lea esi, [edi - 1]
xor ecx, 1
or ecx, edx
jne 0x4207a8
mov ecx, ebx
mov word [esp + 0x34], di
mov ebx, dword [esp + 0x30]
xor eax, eax
xor edx, edx
jmp 0x4204dd
mov ecx, esi
mov edx, 1
lea eax, [esp + 0x78]
call dbg.__pformat_wputchars
jmp 0x4206aa
movzx edi, word [esp + 0x34]
mov esi, dword [esp + 0x48]
cmp ebx, dword [esp + 0x40]
je 0x42054c
mov eax, dword [esi + 8]
mov dword [esp + 0x34], eax
test eax, eax
jg 0x42057b
movsx eax, di
mov dword [esp + 0x3c], 2
mov dword [esp + 0x48], eax
test byte [esp + 0x38], 0x80
je 0x420626
mov edx, esi
mov eax, 0x2d
call sym.___pformat_putc
jmp 0x42063f
mov dword [esi + 8], 0xffffffff
jmp 0x42061b
fstp st(0)
lea esp, [ebp - 0xc]
mov eax, edi
mov ecx, esi
mov edx, 0x42b21f
pop ebx
and eax, 0x8000
pop esi
pop edi
pop ebp
jmp dbg.__pformat_emit_inf_or_nan
mov edx, esi
mov eax, 0x2b
call sym.___pformat_putc
jmp 0x42063f
add edi, 1
jmp 0x42042d
mov edx, esi
mov eax, 0x20
call sym.___pformat_putc
jmp 0x42063f
lea edx, [eax - 1]
mov dword [esi + 8], edx
test eax, eax
jle 0x42061b
lea esi, [esi]
lea esi, [esi]
mov edx, esi
mov eax, 0x20
call sym.___pformat_putc
mov eax, dword [esi + 8]
lea edx, [eax - 1]
mov dword [esi + 8], edx
test eax, eax
jg 0x4208c0
mov eax, dword [esi + 4]
mov dword [esp + 0x38], eax
jmp 0x42061b
xor eax, eax
xor edx, edx
jmp 0x4204dd
mov eax, dword [esp + 0x40]
test dword [esp + 0x38], 0x800
je 0x420566
jmp 0x420557
mov dword [esp + 0x3c], 2
jmp 0x4205fc
mov edi, 0xffffc002
jmp 0x42038f