Function at 0x408620
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x30
mov esi, 1
mov ebp, 2
xor eax, eax
mov edx, dword [esp + 0x44]
jmp 0x408643
inc esi
inc ebp
inc eax
mov ch, byte [edx + eax]
movzx edi, ch
lea ebx, [edi - 9]
cmp ebx, 5
jb 0x408640
cmp edi, 0x20
je 0x408640
mov byte [esp + 0xb], ch
add ch, 0xd5
xor ebx, ebx
test ch, 0xfd
sete bl
add ebx, edx
mov dword [esp + 0x10], ebx
xor edi, edi
mov ebx, 0xffffffff
jmp 0x408685
mov edi, dword [esp + 4]
inc edi
mov dword [esp + 4], edi
mov ecx, dword [esp + 0x10]
add ecx, edi
movzx edx, byte [esi + ecx - 1]
lea edi, [edx - 0x30]
cmp edi, 0xa
jb 0x408680
mov edi, ebx
mov dword [esp + 0x20], edx
cmp edx, 0x2e
jne 0x4086af
mov ebx, dword [esp + 4]
test edi, edi
js 0x408680
mov dword [esp + 0x24], ecx
mov dword [esp + 0x18], edi
test edi, edi
setns ch
mov edi, dword [esp + 4]
mov edx, dword [esp + 0x44]
jns 0x4086ca
mov dword [esp + 0x18], edi
xor ebx, ebx
mov bl, ch
mov ecx, edi
sub ecx, ebx
je 0x408708
neg ebx
cmp ecx, 9
mov dword [esp + 0xc], ebx
jle 0x40872b
mov dword [esp + 0x14], ecx
add ecx, 0xfffffff6
mov dword [esp + 0x1c], ecx
mov ebx, dword [esp + 0x10]
lea edx, [ebx + esi]
mov ch, byte [ebx + esi - 1]
cmp ch, 0x2e
jne 0x408742
mov ch, byte [edx]
lea edi, [ebx + ebp]
mov dword [esp], edi
mov edi, dword [esp + 4]
jmp 0x408745
mov eax, dword [esp + 0x48]
test eax, eax
movzx ecx, byte [esp + 0xb]
je 0x408717
mov dword [eax], edx
fldz
fld st(0)
fchs
cmp cl, 0x2d
jne 0x408a1d
jmp 0x408a23
fldz
test ecx, ecx
jle 0x40876c
mov edx, ebx
mov ebx, dword [esp + 0x10]
lea ecx, [ebx + eax]
mov dword [esp], ecx
jmp 0x40885f
mov dword [esp], edx
movsx ecx, ch
add ecx, 0xffffffd0
cmp dword [esp + 0x1c], 0
je 0x408853
mov edi, ecx
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x408773
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x408774
fld st(0)
jmp 0x4088ac
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea ecx, [edx + edi*2]
add ecx, 0xffffffd0
mov edx, dword [esp + 0x14]
cmp edx, 0xc
jl 0x40884f
mov edi, ecx
lea ecx, [edx - 0xc]
mov dword [esp + 0x1c], ecx
mov edx, dword [esp]
mov ch, byte [edx]
cmp ch, 0x2e
jne 0x4087ab
mov ch, byte [edx + 1]
add edx, 2
jmp 0x4087ac
inc edx
mov dword [esp], edx
lea edi, [edi + edi*4]
movsx edx, ch
lea ecx, [edx + edi*2]
add ecx, 0xffffffd0
cmp dword [esp + 0x1c], 0
je 0x40884f
mov edi, ecx
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x4087dc
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x4087dd
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea ecx, [edx + edi*2]
add ecx, 0xffffffd0
mov edx, dword [esp + 0x14]
cmp edx, 0xe
jl 0x40884f
mov edi, ecx
add edx, 0xfffffff2
mov dword [esp + 0x14], edx
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x408812
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x408813
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea ecx, [edx + edi*2]
add ecx, 0xffffffd0
cmp dword [esp + 0x14], 0
je 0x40884f
mov edi, ecx
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x40883f
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x408840
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea ecx, [edx + edi*2]
add ecx, 0xffffffd0
mov edi, dword [esp + 4]
mov edx, dword [esp + 0xc]
mov dword [esp + 0x2c], ecx
fild dword [esp + 0x2c]
add edx, edi
cmp edx, 9
jl 0x40886b
mov edx, 9
inc edx
xor edi, edi
jmp 0x40888f
mov ch, byte [ebx + 1]
add ebx, 2
mov dword [esp], ebx
lea edi, [edi + edi*4]
movsx ebx, ch
lea edi, [ebx + edi*2]
add edi, 0xffffffd0
dec edx
cmp edx, 1
mov ecx, dword [esp + 0x18]
jle 0x40889c
mov ebx, dword [esp]
mov ch, byte [ebx]
cmp ch, 0x2e
je 0x408870
inc ebx
jmp 0x408876
mov dword [esp + 0x18], ecx
mov dword [esp + 0x28], edi
fild dword [esp + 0x28]
mov edi, dword [esp + 4]
mov ecx, dword [esp + 0x20]
fxch st(1)
fmul dword [str._knN]
faddp st(1)
or ecx, 0x20
cmp ecx, 0x65
jne 0x4088df
mov eax, dword [esp + 0x24]
movzx edx, byte [esi + eax]
mov eax, edx
add al, 0xd5
test al, 0xfd
je 0x4088ed
mov ebx, dword [esp + 0x10]
add ebx, esi
mov eax, ebx
lea esi, [ebx + edi]
jmp 0x4088f7
add eax, edi
add dword [esp + 0x10], eax
xor eax, eax
mov ecx, dword [esp + 0x48]
jmp 0x408965
mov esi, dword [esp + 0x10]
add esi, ebp
mov eax, esi
add esi, edi
mov ebx, edi
mov edi, esi
movzx ebx, byte [eax + ebx]
lea esi, [ebx - 0x30]
xor eax, eax
cmp esi, 9
mov ecx, dword [esp + 0x48]
ja 0x408952
xor eax, eax
mov ebp, edi
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov edi, eax
and edi, 0xa
mov esi, eax
or eax, 0xa
imul eax, edi
xor edi, 0xa
and esi, 0xfffffff5
imul esi, edi
movsx edi, bl
add edi, eax
lea eax, [esi + edi]
add eax, 0xffffffd0
movzx ebx, byte [ebp + 1]
inc ebp
mov esi, ebx
add esi, 0xffffffd0
cmp esi, 0xa
jb 0x408920
jmp 0x408954
mov ebp, edi
mov ebx, ebp
cmp dl, 0x2d
mov dword [esp + 0x10], ebp
jne 0x408961
neg eax
mov edi, dword [esp + 4]
mov edx, dword [esp + 0xc]
add edx, edi
cmp edx, 0x10
jge 0x408975
mov edx, 0xf
mov ebx, dword [esp + 0x18]
add ebx, eax
add ebx, edx
mov eax, ebx
mov ebp, dword [esp + 0xc]
sub eax, ebp
sub eax, edi
add eax, 0xfffffff1
mov esi, eax
sar esi, 0x1f
mov edx, eax
xor edx, esi
sub edx, esi
cmp edx, 0x200
jb 0x4089b4
mov edx, 0x1ff
mov esi, dword [esp + 0x4c]
test esi, esi
je 0x4089b0
mov dword [esi], 0x22
fldz
jmp 0x4089c2
sub ebp, ebx
lea esi, [edi + ebp]
add esi, 0xf
fld1
test esi, esi
je 0x4089f0
fstp st(0)
fld1
mov esi, 0x43b250
jmp 0x4089de
mov edi, edx
shr edi, 1
add esi, 8
cmp edx, 2
mov edx, edi
jb 0x4089f0
mov edi, edx
xor edi, 0xfffffffe
mov ebx, edx
or ebx, 1
test ebx, edi
je 0x4089d0
fmul qword [esi]
jmp 0x4089d0
fld st(1)
fmul st(1)
test eax, eax
jns 0x408a04
fstp st(0)
fdivp st(1)
fldz
fldz
fxch st(1)
fxch st(2)
fstp st(2)
fstp st(0)
test ecx, ecx
mov ebp, dword [esp + 0x10]
je 0x408a12
mov dword [ecx], ebp
fld st(0)
fchs
cmp byte [esp + 0xb], 0x2d
je 0x408a23
fstp st(0)
fldz
fxch st(1)
fstp st(1)
add esp, 0x30
pop esi
pop edi
pop ebx
pop ebp
ret