Function at 0x4517db
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x45180a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x451814
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0044a14f
test eax, eax
pop ecx
je 0x45182f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00436802
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043fa14
test eax, eax
pop ecx
je 0x45184a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00436802
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x451867
test ecx, 0x74000
jne 0x451863
cmp dword [ebp - 0x24], eax
je 0x451867
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x4518c1
dec eax
je 0x4518ab
dec eax
je 0x4518a6
call fcn.00440d6d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00440d5a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004368fe
add esp, 0x14
jmp 0x451e73
mov dword [ebp - 8], edx
jmp 0x4518c4
test cl, 8
je 0x4518b8
test ecx, 0x70000
jne 0x4518a6
mov dword [ebp - 8], 0x40000000
jmp 0x4518c4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x451905
sub eax, ecx
je 0x4518fc
sub eax, ecx
je 0x4518f3
sub eax, ecx
je 0x4518ea
sub eax, 0x40
jne 0x451880
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x451908
mov dword [ebp - 0x10], 3
jmp 0x451908
mov dword [ebp - 0x10], 2
jmp 0x451908
mov dword [ebp - 0x10], 1
jmp 0x451908
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x45195b
je 0x451952
cmp eax, ebx
je 0x451952
cmp eax, edi
je 0x451949
cmp eax, 0x200
je 0x4519ce
cmp eax, 0x300
jne 0x451880
mov dword [ebp - 0x14], 2
jmp 0x451978
mov dword [ebp - 0x14], 4
jmp 0x451978
mov dword [ebp - 0x14], 3
jmp 0x451978
cmp eax, 0x500
je 0x451971
cmp eax, 0x600
je 0x4519ce
cmp eax, edx
jne 0x451880
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45199c
mov ecx, dword [0x471ffc]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45199c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4519b8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4519b8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4519c1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4519d7
or dword [ebp - 0xc], 0x8000000
jmp 0x4519e2
mov dword [ebp - 0x14], 5
jmp 0x451978
test al, 0x10
je 0x4519e2
or dword [ebp - 0xc], 0x10000000
call fcn.0043d144
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x451a08
call fcn.00440d6d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00440d5a
mov dword [eax], 0x18
jmp 0x451a96
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x451aa2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x451a6e
test byte [ebp + 0x10], 1
je 0x451a6e
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x451aa2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x473660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00440d80
pop ecx
call fcn.00440d5a
mov eax, dword [eax]
jmp 0x451f2f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x451af3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x473660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00440d80
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x451a96
call fcn.00440d5a
mov dword [eax], 0xd
jmp 0x451a96
cmp eax, 2
jne 0x451afe
or byte [ebp - 1], 0x40
jmp 0x451b07
cmp eax, 3
jne 0x451b07
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0043cf13
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x473660]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x473660]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x451bdc
test cl, 0x80
je 0x451cac
test byte [ebp + 0x10], 2
je 0x451bdc
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004463ff
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x451b9b
call fcn.00440d6d
cmp dword [eax], 0x83
je 0x451bdc
push dword [esi]
call fcn.00446e0c
jmp 0x451a95
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00449863
add esp, 0xc
test eax, eax
jne 0x451bcc
cmp byte [ebp - 4], 0x1a
jne 0x451bcc
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0043b55d
add esp, 0xc
cmp eax, edi
je 0x451b8f
push ebx
push ebx
push dword [esi]
call fcn.004463ff
add esp, 0xc
cmp eax, edi
je 0x451b8f
test byte [ebp - 1], 0x80
je 0x451cac
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x451c04
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x451c01
or dword [ebp + 0x10], edi
jmp 0x451c04
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x451c51
cmp eax, 0x10000
je 0x451c3d
cmp eax, 0x14000
je 0x451c3d
cmp eax, 0x20000
je 0x451c4b
cmp eax, 0x24000
je 0x451c4b
cmp eax, 0x40000
je 0x451c37
cmp eax, 0x44000
jne 0x451c54
mov byte [ebp - 2], 1
jmp 0x451c54
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x451c54
mov byte [ebp - 2], 2
jmp 0x451c54
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x451cac
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x451cac
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x451e06
cmp eax, 0x80000000
je 0x451dcd
cmp eax, ecx
jne 0x451cac
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x451cac
cmp eax, 2
jbe 0x451eae
cmp eax, 4
jbe 0x451d9f
cmp eax, 5
je 0x451eae
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x473660]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x473660]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x451d1e
test byte [ebp + 0x10], 8
je 0x451d1e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x473660]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x451f2d
test byte [ebp + 0x10], 1
je 0x451f2d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x451f16
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00440d80
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x473660]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0043cf90
pop ecx
jmp 0x451a95
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044a183
add esp, 0x10
or eax, edx
je 0x451eae
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044a183
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x451b8f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00449863
add esp, 0xc
cmp eax, 0xffffffff
je 0x451b8f
cmp eax, 2
je 0x451e52
cmp eax, 3
jne 0x451ea0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x451e52
mov byte [ebp - 2], 1
jmp 0x451cac
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x451cac
cmp eax, 2
jbe 0x451eae
cmp eax, 4
ja 0x451ca3
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044a183
add esp, 0x10
or eax, edx
je 0x451eae
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044a183
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x451cac
jmp 0x451b8f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x451e7a
push dword [esi]
call fcn.00446e0c
pop ecx
call fcn.00440d5a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x451f2f
cmp eax, 0xfeff
jne 0x451ea0
push ebx
push 2
push dword [esi]
call fcn.004463ff
add esp, 0xc
cmp eax, 0xffffffff
je 0x451b8f
mov byte [ebp - 2], 2
jmp 0x451cac
push ebx
push ebx
push dword [esi]
call fcn.004463ff
add esp, 0xc
jmp 0x451e44
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x451ece
dec eax
jne 0x451cac
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x451edc
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.00446182
add esp, 0xc
cmp eax, 0xffffffff
je 0x451f02
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x451edc
jmp 0x451cac
push dword [esi]
call fcn.00446e0c
pop ecx
call fcn.00440d5a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x451f2f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x473660]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret