Function at 0x49f570
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, eax
push edi
push esi
push ebx
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 0x49f9fa
movzx ebx, word [esp + 0x30]
mov esi, ebx
and esi, 0x8000
jne 0x49f761
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x49fa0c
and bx, 0x7fff
je 0x49f7e4
mov eax, dword [esp + 0x28]
sub bx, 0x3fff
mov edx, dword [esp + 0x2c]
mov edi, dword [ebp + 0xc]
cmp edi, 0xe
mov dword [esp + 0xc], edi
jbe 0x49f776
mov edi, edx
or edi, eax
je 0x49fa1f
lea edi, [esp + 0x38]
mov dword [esp + 0x10], edi
mov esi, edi
mov dword [esp + 0xc], ebp
nop
mov ebp, eax
mov ecx, eax
and ebp, 0xf
mov edi, edx
xor ecx, ebp
or edi, ecx
je 0x49f840
mov edi, dword [esp + 0xc]
mov ecx, dword [edi + 0xc]
test ecx, ecx
jle 0x49f628
mov edi, dword [esp + 0xc]
sub ecx, 1
mov dword [edi + 0xc], ecx
shrd eax, edx, 4
mov edi, esi
shr edx, 4
test ebp, ebp
jne 0x49f817
cmp edi, dword [esp + 0x10]
ja 0x49f64c
mov ecx, dword [esp + 0xc]
mov esi, edi
mov ecx, dword [ecx + 0xc]
test ecx, ecx
js 0x49f654
lea esi, [edi + 1]
lea ecx, [ebp + 0x30]
mov byte [edi], cl
mov edi, edx
or edi, eax
jne 0x49f600
cmp esi, dword [esp + 0x10]
mov edi, esi
mov ebp, dword [esp + 0xc]
je 0x49fa57
mov eax, dword [ebp + 4]
mov dword [esp + 0xc], eax
mov eax, dword [ebp + 8]
test eax, eax
mov dword [esp + 0x18], eax
jle 0x49f9a9
mov edx, dword [ebp + 0xc]
mov eax, edi
movsx ebx, bx
sub eax, dword [esp + 0x10]
mov dword [esp + 0x14], ebx
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0xc]
cmovg eax, ecx
and edx, 0x1c0
cmp edx, 1
sbb edx, edx
lea esi, [eax + edx + 6]
mov eax, ebx
mov edx, 0x66666667
imul edx
mov eax, ebx
sar eax, 0x1f
sar edx, 2
sub edx, eax
mov ecx, edx
je 0x49fa4a
mov ebx, 2
nop
lea esi, [esi]
mov eax, 0x66666667
add esi, 1
imul ecx
add ebx, 1
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x49f6d0
movsx eax, bx
mov dword [esp + 0x1c], eax
cmp dword [esp + 0x18], esi
jle 0x49f890
mov eax, dword [esp + 0x18]
sub eax, esi
test dword [esp + 0xc], 0x600
jne 0x49f9c8
lea edx, [eax - 1]
test eax, eax
mov dword [ebp + 8], edx
jle 0x49f897
lea esi, [esi]
mov edx, ebp
mov eax, 0x20
call fcn.0049e4f0
mov eax, dword [ebp + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebp + 8], edx
jg 0x49f720
mov eax, dword [ebp + 4]
mov dword [esp + 0xc], eax
test byte [esp + 0xc], 0x80
je 0x49f8a2
nop
lea esi, [esi]
mov edx, ebp
mov eax, 0x2d
call fcn.0049e4f0
jmp 0x49f8bb
or dword [ebp + 4], 0x80
jmp 0x49f5a9
shld edx, eax, 1
add eax, eax
test edx, edx
jns 0x49f770
shrd eax, edx, 1
mov esi, eax
mov eax, 0xe
sub eax, dword [esp + 0xc]
shr edx, 1
mov edi, edx
xor edx, edx
lea ecx, [eax*4]
mov eax, 4
shld edx, eax, cl
shl eax, cl
test cl, 0x20
je 0x49f7a9
mov edx, eax
xor eax, eax
add esi, eax
adc edi, edx
test edi, edi
js 0x49f9f2
shld edi, esi, 1
add esi, esi
mov eax, 0xf
mov edx, edi
sub eax, dword [esp + 0xc]
lea ecx, [eax*4]
mov eax, esi
shr edx, cl
xor esi, esi
shrd eax, edi, cl
and ecx, 0x20
cmovne eax, edx
cmovne edx, esi
jmp 0x49f5f0
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
mov ebx, edx
or ebx, eax
je 0x49f9bd
test edx, edx
js 0x49fa60
mov ecx, 0xffffc001
shld edx, eax, 1
mov ebx, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x49f803
jmp 0x49f5d6
cmp ebp, 9
lea esi, [edi + 1]
jbe 0x49f64f
lea ecx, [ebp + 0x37]
mov ebp, dword [esp + 0xc]
mov ebp, dword [ebp + 4]
mov dword [esp + 0x14], ebp
movzx ebp, byte [esp + 0x14]
and ebp, 0x20
or ecx, ebp
jmp 0x49f652
cmp esi, dword [esp + 0x10]
ja 0x49f860
mov edi, dword [esp + 0xc]
test byte [edi + 5], 8
jne 0x49f860
mov ecx, dword [esp + 0xc]
mov edi, esi
mov ecx, dword [ecx + 0xc]
test ecx, ecx
jle 0x49f866
lea esi, [esi]
lea edi, [esi + 1]
mov byte [esi], 0x2e
mov ecx, eax
xor ecx, 1
or ecx, edx
je 0x49f886
lea ecx, [ebx - 1]
shrd eax, edx, 1
mov ebx, ecx
mov esi, eax
shr edx, 1
xor esi, 1
or esi, edx
lea ecx, [ebx - 1]
jne 0x49f872
xor eax, eax
xor edx, edx
jmp 0x49f631
mov dword [ebp + 8], 0xffffffff
test byte [esp + 0xc], 0x80
jne 0x49f750
test dword [esp + 0xc], 0x100
jne 0x49f9d0
test byte [esp + 0xc], 0x40
jne 0x49f9e1
mov edx, ebp
mov eax, 0x30
call fcn.0049e4f0
mov eax, dword [ebp + 4]
mov edx, ebp
and eax, 0x20
or eax, 0x58
call fcn.0049e4f0
mov eax, dword [ebp + 8]
test eax, eax
jle 0x49f909
test byte [ebp + 5], 2
je 0x49f909
sub eax, 1
mov dword [ebp + 8], eax
lea esi, [esi]
mov edx, ebp
mov eax, 0x30
call fcn.0049e4f0
mov eax, dword [ebp + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebp + 8], edx
jg 0x49f8f0
cmp edi, dword [esp + 0x10]
mov ebx, dword [esp + 0x10]
ja 0x49f937
jmp 0x49f95e
movzx eax, word [ebp + 0x1c]
test ax, ax
mov word [esp + 0x26], ax
je 0x49f933
mov ecx, ebp
mov edx, 1
lea eax, [esp + 0x26]
call fcn.0049e550
cmp edi, ebx
je 0x49f95e
sub edi, 1
movsx eax, byte [edi]
cmp eax, 0x2e
je 0x49f9a0
cmp eax, 0x2c
je 0x49f915
mov edx, ebp
call fcn.0049e4f0
nop
jmp 0x49f933
mov edx, ebp
mov eax, 0x30
call fcn.0049e4f0
mov eax, dword [ebp + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebp + 0xc], edx
jg 0x49f952
mov eax, dword [ebp + 4]
mov edx, ebp
and eax, 0x20
or eax, 0x50
call fcn.0049e4f0
mov eax, dword [esp + 0x1c]
mov ecx, ebp
add dword [ebp + 8], eax
mov eax, dword [esp + 0x14]
or dword [ebp + 4], 0x1c0
cdq
call fcn.0049ec70
add esp, 0x5c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, ebp
call fcn.0049e7c0
jmp 0x49f933
movsx eax, bx
mov dword [esp + 0x1c], 2
mov dword [esp + 0x14], eax
jmp 0x49f897
xor ebx, ebx
xor eax, eax
xor edx, edx
jmp 0x49f5d6
mov dword [ebp + 8], eax
jmp 0x49f897
mov edx, ebp
mov eax, 0x2b
call fcn.0049e4f0
jmp 0x49f8bb
mov edx, ebp
mov eax, 0x20
call fcn.0049e4f0
jmp 0x49f8bb
add ebx, 1
jmp 0x49f7bb
fstp st(0)
mov ecx, ebp
mov edx, 0x58fd3f
xor eax, eax
call fcn.0049e730
jmp 0x49f995
mov ecx, ebp
mov edx, 0x58fd43
mov eax, esi
call fcn.0049e730
jmp 0x49f995
lea eax, [esp + 0x38]
mov dword [esp + 0x10], eax
mov edx, dword [esp + 0xc]
mov eax, dword [ebp + 4]
test edx, edx
jle 0x49fa6a
mov dword [esp + 0xc], eax
mov byte [esp + 0x38], 0x2e
lea eax, [esp + 0x39]
lea edi, [eax + 1]
mov byte [eax], 0x30
jmp 0x49f671
mov dword [esp + 0x1c], 2
jmp 0x49f6f0
mov eax, dword [ebp + 0xc]
mov dword [esp + 0xc], eax
jmp 0x49fa27
mov ebx, 0xffffc002
jmp 0x49f5d6
mov edx, eax
and dh, 8
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0x10]
je 0x49fa3f
jmp 0x49fa36