Function at 0x41545a
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 0x415489
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x415493
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00417975
test eax, eax
pop ecx
je 0x4154ae
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040a481
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040fa95
test eax, eax
pop ecx
je 0x4154c9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040a481
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4154e6
test ecx, 0x74000
jne 0x4154e2
cmp dword [ebp - 0x24], eax
je 0x4154e6
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x415540
dec eax
je 0x41552a
dec eax
je 0x415525
call fcn.0040d79f
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040d78c
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040a57d
add esp, 0x14
jmp 0x415af2
mov dword [ebp - 8], edx
jmp 0x415543
test cl, 8
je 0x415537
test ecx, 0x70000
jne 0x415525
mov dword [ebp - 8], 0x40000000
jmp 0x415543
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x415584
sub eax, ecx
je 0x41557b
sub eax, ecx
je 0x415572
sub eax, ecx
je 0x415569
sub eax, 0x40
jne 0x4154ff
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x415587
mov dword [ebp - 0x10], 3
jmp 0x415587
mov dword [ebp - 0x10], 2
jmp 0x415587
mov dword [ebp - 0x10], 1
jmp 0x415587
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 0x4155da
je 0x4155d1
cmp eax, ebx
je 0x4155d1
cmp eax, edi
je 0x4155c8
cmp eax, 0x200
je 0x41564d
cmp eax, 0x300
jne 0x4154ff
mov dword [ebp - 0x14], 2
jmp 0x4155f7
mov dword [ebp - 0x14], 4
jmp 0x4155f7
mov dword [ebp - 0x14], 3
jmp 0x4155f7
cmp eax, 0x500
je 0x4155f0
cmp eax, 0x600
je 0x41564d
cmp eax, edx
jne 0x4154ff
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41561b
mov ecx, dword [0x4226d0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41561b
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x415637
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x415637
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x415640
or dword [ebp - 0xc], edi
test al, 0x20
je 0x415656
or dword [ebp - 0xc], 0x8000000
jmp 0x415661
mov dword [ebp - 0x14], 5
jmp 0x4155f7
test al, 0x10
je 0x415661
or dword [ebp - 0xc], 0x10000000
call fcn.004163b4
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x415687
call fcn.0040d79f
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040d78c
mov dword [eax], 0x18
jmp 0x415715
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 0x415721
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4156ed
test byte [ebp + 0x10], 1
je 0x4156ed
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 0x415721
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4242a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040d7b2
pop ecx
call fcn.0040d78c
mov eax, dword [eax]
jmp 0x415bae
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x415772
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4242a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040d7b2
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x415715
call fcn.0040d78c
mov dword [eax], 0xd
jmp 0x415715
cmp eax, 2
jne 0x41577d
or byte [ebp - 1], 0x40
jmp 0x415786
cmp eax, 3
jne 0x415786
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00416183
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4242a0]
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 + 0x4242a0]
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 0x41585b
test cl, 0x80
je 0x41592b
test byte [ebp + 0x10], 2
je 0x41585b
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004128c3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41581a
call fcn.0040d79f
cmp dword [eax], 0x83
je 0x41585b
push dword [esi]
call fcn.00412a11
jmp 0x415714
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004119af
add esp, 0xc
test eax, eax
jne 0x41584b
cmp byte [ebp - 4], 0x1a
jne 0x41584b
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00417705
add esp, 0xc
cmp eax, edi
je 0x41580e
push ebx
push ebx
push dword [esi]
call fcn.004128c3
add esp, 0xc
cmp eax, edi
je 0x41580e
test byte [ebp - 1], 0x80
je 0x41592b
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x415883
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x415880
or dword [ebp + 0x10], edi
jmp 0x415883
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4158d0
cmp eax, 0x10000
je 0x4158bc
cmp eax, 0x14000
je 0x4158bc
cmp eax, 0x20000
je 0x4158ca
cmp eax, 0x24000
je 0x4158ca
cmp eax, 0x40000
je 0x4158b6
cmp eax, 0x44000
jne 0x4158d3
mov byte [ebp - 2], 1
jmp 0x4158d3
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4158d3
mov byte [ebp - 2], 2
jmp 0x4158d3
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41592b
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41592b
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x415a85
cmp eax, 0x80000000
je 0x415a4c
cmp eax, ecx
jne 0x41592b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41592b
cmp eax, 2
jbe 0x415b2d
cmp eax, 4
jbe 0x415a1e
cmp eax, 5
je 0x415b2d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4242a0]
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 + 0x4242a0]
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 0x41599d
test byte [ebp + 0x10], 8
je 0x41599d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4242a0]
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 0x415bac
test byte [ebp + 0x10], 1
je 0x415bac
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 0x415b95
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040d7b2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4242a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00416200
pop ecx
jmp 0x415714
push 2
push ebx
push ebx
push dword [esi]
call fcn.004139bc
add esp, 0x10
or eax, edx
je 0x415b2d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004139bc
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41580e
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004119af
add esp, 0xc
cmp eax, 0xffffffff
je 0x41580e
cmp eax, 2
je 0x415ad1
cmp eax, 3
jne 0x415b1f
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x415ad1
mov byte [ebp - 2], 1
jmp 0x41592b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41592b
cmp eax, 2
jbe 0x415b2d
cmp eax, 4
ja 0x415922
push 2
push ebx
push ebx
push dword [esi]
call fcn.004139bc
add esp, 0x10
or eax, edx
je 0x415b2d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004139bc
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41592b
jmp 0x41580e
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x415af9
push dword [esi]
call fcn.00412a11
pop ecx
call fcn.0040d78c
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x415bae
cmp eax, 0xfeff
jne 0x415b1f
push ebx
push 2
push dword [esi]
call fcn.004128c3
add esp, 0xc
cmp eax, 0xffffffff
je 0x41580e
mov byte [ebp - 2], 2
jmp 0x41592b
push ebx
push ebx
push dword [esi]
call fcn.004128c3
add esp, 0xc
jmp 0x415ac3
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x415b4d
dec eax
jne 0x41592b
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x415b5b
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.00412660
add esp, 0xc
cmp eax, 0xffffffff
je 0x415b81
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x415b5b
jmp 0x41592b
push dword [esi]
call fcn.00412a11
pop ecx
call fcn.0040d78c
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x415bae
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4242a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret