Function at 0x87dc60
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 0x87dfc0
fld st(0)
fstp xword [esp + 0x50]
movzx edx, word [esp + 0x58]
test dx, dx
js 0x87de80
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x500
je 0x87e1b0
and dx, 0x7fff
fstp xword [esp + 0x40]
mov edi, dword [esp + 0x40]
mov ebp, dword [esp + 0x44]
mov word [esp + 0x30], dx
jne 0x87de90
mov edx, ebp
or edx, edi
jne 0x87e058
mov eax, dword [ebx + 0xc]
mov dword [esp + 0x24], eax
cmp eax, 0xe
jbe 0x87deb8
mov eax, dword [ebx + 4]
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x78]
mov dword [esp + 0x28], eax
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x87e248
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 0x87e172
mov edx, dword [ebx + 0xc]
mov eax, esi
sub eax, dword [esp + 0x28]
movsx edi, word [esp + 0x30]
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0x2c]
cmovg eax, ecx
mov ecx, 0x66666667
mov dword [esp + 0x24], edi
and edx, 0x1c0
cmp edx, 1
sbb eax, 0xfffffffa
mov ebp, eax
mov eax, edi
imul ecx
mov eax, edi
mov edi, ebp
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x87e25f
mov dword [esp + 0x30], esi
lea esi, [esi]
nop
mov eax, 0x66666667
add edi, 1
imul ecx
mov eax, ecx
lea esi, [edi + 2]
sar eax, 0x1f
sub esi, ebp
sar edx, 2
sub edx, eax
mov ecx, edx
jne 0x87dd70
movsx ebp, si
mov esi, dword [esp + 0x30]
mov eax, dword [esp + 0x34]
cmp eax, edi
jle 0x87e1a0
sub eax, edi
test dword [esp + 0x2c], 0x600
je 0x87e200
mov dword [ebx + 8], eax
test byte [esp + 0x2c], 0x80
jne 0x87e18b
test dword [esp + 0x2c], 0x100
jne 0x87e1d0
test byte [esp + 0x2c], 0x40
jne 0x87e1e8
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 0x87de29
test byte [ebx + 5], 2
je 0x87de29
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
lea esi, [esi]
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 0x87de10
mov edi, dword [esp + 0x28]
cmp esi, dword [esp + 0x28]
ja 0x87de5a
jmp 0x87dfec
movzx eax, word [ebx + 0x1c]
mov word [esp + 0x68], ax
test ax, ax
jne 0x87e138
cmp esi, edi
je 0x87dfec
movsx eax, byte [esi - 1]
sub esi, 1
cmp eax, 0x2e
je 0x87e0a8
cmp eax, 0x2c
je 0x87de40
mov edx, ebx
call sym.___pformat_putc
jmp 0x87de52
or dword [ebx + 4], 0x80
jmp 0x87dc9a
mov eax, dword [ebx + 0xc]
sub word [esp + 0x30], 0x3fff
mov dword [esp + 0x24], eax
cmp eax, 0xe
jbe 0x87debe
mov eax, dword [ebx + 4]
mov edx, ebp
or edx, edi
mov dword [esp + 0x2c], eax
jne 0x87df28
jmp 0x87dcea
shld ebp, edi, 1
add edi, edi
test ebp, ebp
jns 0x87deb8
mov ecx, 0xe
sub ecx, dword [esp + 0x24]
mov eax, 4
xor edx, edx
shl ecx, 2
xor esi, esi
shld edx, eax, cl
shl eax, cl
test cl, 0x20
cmovne edx, eax
cmovne eax, esi
mov esi, edi
mov edi, ebp
shrd esi, ebp, 1
shr edi, 1
add esi, eax
adc edi, edx
test edi, edi
js 0x87e098
shld edi, esi, 1
add esi, esi
mov ecx, 0xf
sub ecx, dword [esp + 0x24]
xor ebp, ebp
shl ecx, 2
shrd esi, edi, cl
shr edi, cl
and ecx, 0x20
cmovne esi, edi
cmovne edi, ebp
mov ebp, edi
mov edi, esi
mov eax, dword [ebx + 4]
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x78]
mov dword [esp + 0x24], ebx
mov dword [esp + 0x28], eax
mov esi, eax
mov eax, dword [esp + 0x2c]
mov edx, eax
and eax, 0x20
and edx, 0x800
mov byte [esp + 0x34], al
mov dword [esp + 0x3c], edx
movzx edx, word [esp + 0x30]
jmp 0x87df7d
xor ecx, ecx
cmp esi, dword [esp + 0x28]
ja 0x87df6b
mov eax, dword [esp + 0x24]
mov ebx, dword [eax + 0xc]
test ebx, ebx
js 0x87df73
lea eax, [ecx + 0x30]
mov byte [esi], al
add esi, 1
mov ecx, ebp
or ecx, edi
je 0x87e150
mov ecx, edi
mov eax, edi
mov ebx, ebp
and ecx, 0xfffffff0
and eax, 0xf
or ebx, ecx
je 0x87e0b8
mov ebx, dword [esp + 0x24]
shrd edi, ebp, 4
shr ebp, 4
mov ecx, dword [ebx + 0xc]
test ecx, ecx
jle 0x87dfa9
sub ecx, 1
mov dword [ebx + 0xc], ecx
test eax, eax
je 0x87df58
mov ecx, eax
cmp eax, 9
jbe 0x87df6b
add eax, 0x37
or al, byte [esp + 0x34]
jmp 0x87df6e
fstp st(0)
add esp, 0x9c
mov ecx, ebx
mov edx, 0x88f19f
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 0x87dfe0
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call sym.___pformat_putc
mov eax, dword [esp + 0x24]
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 0x87e269
mov eax, 0xffffc001
lea esi, [esi]
shld ebp, edi, 1
mov edx, eax
add edi, edi
sub eax, 1
test ebp, ebp
jns 0x87e068
mov word [esp + 0x30], dx
mov eax, dword [ebx + 0xc]
mov dword [esp + 0x24], eax
cmp eax, 0xe
ja 0x87df21
jmp 0x87dec2
add word [esp + 0x30], 1
jmp 0x87df01
mov eax, ebx
call dbg.__pformat_emit_radix_point
jmp 0x87de52
cmp esi, dword [esp + 0x28]
ja 0x87e0d8
mov ebx, dword [esp + 0x3c]
test ebx, ebx
jne 0x87e0d8
mov ecx, dword [esp + 0x24]
mov ecx, dword [ecx + 0xc]
test ecx, ecx
jle 0x87e0de
lea esi, [esi]
mov byte [esi], 0x2e
add esi, 1
mov ecx, edi
xor ecx, 1
mov dword [esp + 0x30], ecx
lea ecx, [edx - 1]
mov word [esp + 0x3a], cx
mov ecx, dword [esp + 0x30]
or ecx, ebp
je 0x87e238
movzx ecx, word [esp + 0x3a]
mov dword [esp + 0x30], esi
mov esi, eax
lea esi, [esi]
lea esi, [esi]
shrd edi, ebp, 1
shr ebp, 1
mov edx, ecx
mov ebx, edi
mov eax, ebp
lea ecx, [edx - 1]
xor ebx, 1
or eax, ebx
jne 0x87e110
mov eax, esi
xor edi, edi
mov esi, dword [esp + 0x30]
xor ebp, ebp
jmp 0x87dfa9
mov ecx, ebx
mov edx, 1
lea eax, [esp + 0x68]
call dbg.__pformat_wputchars
jmp 0x87de52
mov word [esp + 0x30], dx
mov ebx, dword [esp + 0x24]
cmp esi, dword [esp + 0x28]
je 0x87dcf2
mov eax, dword [ebx + 8]
mov dword [esp + 0x34], eax
test eax, eax
jg 0x87dd1b
movsx eax, word [esp + 0x30]
mov ebp, 2
mov dword [esp + 0x24], eax
test byte [esp + 0x2c], 0x80
je 0x87ddbe
mov edx, ebx
mov eax, 0x2d
call sym.___pformat_putc
jmp 0x87ddd7
mov dword [ebx + 8], 0xffffffff
jmp 0x87ddb3
fstp st(0)
add esp, 0x9c
mov eax, edx
mov ecx, ebx
mov edx, 0x88f1a3
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 0x87ddd7
mov edx, ebx
mov eax, 0x20
call sym.___pformat_putc
jmp 0x87ddd7
lea edx, [eax - 1]
mov dword [ebx + 8], edx
test eax, eax
jle 0x87ddb3
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 0x87e210
mov eax, dword [ebx + 4]
mov dword [esp + 0x2c], eax
jmp 0x87ddb3
xor edi, edi
xor ebp, ebp
jmp 0x87dfa9
mov eax, dword [esp + 0x28]
test dword [esp + 0x2c], 0x800
je 0x87dd06
jmp 0x87dcfd
mov ebp, 2
jmp 0x87dd94
mov eax, 0xffffc002
mov word [esp + 0x30], ax
jmp 0x87e07c