Function at 0x41910e
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x41913d
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x419147
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041bcea
test eax, eax
pop ecx
je 0x419162
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00410d6b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040c88d
test eax, eax
pop ecx
je 0x41917d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00410d6b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41919a
test ecx, 0x74000
jne 0x419196
cmp dword [ebp - 0x24], eax
je 0x41919a
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x4191f4
dec eax
je 0x4191de
dec eax
je 0x4191d9
call fcn.0040db51
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040db3e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00410e67
add esp, 0x14
jmp 0x4197a7
mov dword [ebp - 8], edx
jmp 0x4191f7
test cl, 8
je 0x4191eb
test ecx, 0x70000
jne 0x4191d9
mov dword [ebp - 8], 0x40000000
jmp 0x4191f7
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x419238
sub eax, ecx
je 0x41922f
sub eax, ecx
je 0x419226
sub eax, ecx
je 0x41921d
sub eax, 0x40
jne 0x4191b3
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41923b
mov dword [ebp - 0x10], 3
jmp 0x41923b
mov dword [ebp - 0x10], 2
jmp 0x41923b
mov dword [ebp - 0x10], 1
jmp 0x41923b
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 0x41928e
je 0x419285
cmp eax, ebx
je 0x419285
cmp eax, edi
je 0x41927c
cmp eax, 0x200
je 0x419301
cmp eax, 0x300
jne 0x4191b3
mov dword [ebp - 0x14], 2
jmp 0x4192ab
mov dword [ebp - 0x14], 4
jmp 0x4192ab
mov dword [ebp - 0x14], 3
jmp 0x4192ab
cmp eax, 0x500
je 0x4192a4
cmp eax, 0x600
je 0x419301
cmp eax, edx
jne 0x4191b3
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4192cf
mov ecx, dword [0x42ad98]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4192cf
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4192eb
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4192eb
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4192f4
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41930a
or dword [ebp - 0xc], 0x8000000
jmp 0x419315
mov dword [ebp - 0x14], 5
jmp 0x4192ab
test al, 0x10
je 0x419315
or dword [ebp - 0xc], 0x10000000
call fcn.00419e90
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41933b
call fcn.0040db51
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040db3e
mov dword [eax], 0x18
jmp 0x4193c9
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x4193d5
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4193a1
test byte [ebp + 0x10], 1
je 0x4193a1
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x4193d5
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42ca40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040db64
pop ecx
call fcn.0040db3e
mov eax, dword [eax]
jmp 0x419863
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x419426
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42ca40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040db64
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4193c9
call fcn.0040db3e
mov dword [eax], 0xd
jmp 0x4193c9
cmp eax, 2
jne 0x419431
or byte [ebp - 1], 0x40
jmp 0x41943a
cmp eax, 3
jne 0x41943a
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00419c5f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x42ca40]
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 + 0x42ca40]
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 0x419510
test cl, 0x80
je 0x4195e0
test byte [ebp + 0x10], 2
je 0x419510
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0041bbbc
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4194ce
call fcn.0040db51
cmp dword [eax], 0x83
je 0x419510
push dword [esi]
call fcn.004143fc
jmp 0x4193c8
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0041b5fb
add esp, 0xc
test eax, eax
jne 0x419500
cmp word [ebp - 0x2c], 0x1a
jne 0x419500
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0041b447
add esp, 0xc
cmp eax, edi
je 0x4194c2
push ebx
push ebx
push dword [esi]
call fcn.0041bbbc
add esp, 0xc
cmp eax, edi
je 0x4194c2
test byte [ebp - 1], 0x80
je 0x4195e0
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x419538
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x419535
or dword [ebp + 0x10], edi
jmp 0x419538
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x419585
cmp eax, 0x10000
je 0x419571
cmp eax, 0x14000
je 0x419571
cmp eax, 0x20000
je 0x41957f
cmp eax, 0x24000
je 0x41957f
cmp eax, 0x40000
je 0x41956b
cmp eax, 0x44000
jne 0x419588
mov byte [ebp - 2], 1
jmp 0x419588
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x419588
mov byte [ebp - 2], 2
jmp 0x419588
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4195e0
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4195e0
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41973a
cmp eax, 0x80000000
je 0x419701
cmp eax, ecx
jne 0x4195e0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4195e0
cmp eax, 2
jbe 0x4197e2
cmp eax, 4
jbe 0x4196d3
cmp eax, 5
je 0x4197e2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42ca40]
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 + 0x42ca40]
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 0x419652
test byte [ebp + 0x10], 8
je 0x419652
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42ca40]
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 0x419861
test byte [ebp + 0x10], 1
je 0x419861
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x41984a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040db64
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42ca40]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00419cdc
pop ecx
jmp 0x4193c8
push 2
push ebx
push ebx
push dword [esi]
call fcn.00417416
add esp, 0x10
or eax, edx
je 0x4197e2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00417416
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4194c2
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041b5fb
add esp, 0xc
cmp eax, 0xffffffff
je 0x4194c2
cmp eax, 2
je 0x419786
cmp eax, 3
jne 0x4197d4
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x419786
mov byte [ebp - 2], 1
jmp 0x4195e0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4195e0
cmp eax, 2
jbe 0x4197e2
cmp eax, 4
ja 0x4195d7
push 2
push ebx
push ebx
push dword [esi]
call fcn.00417416
add esp, 0x10
or eax, edx
je 0x4197e2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00417416
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4195e0
jmp 0x4194c2
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4197ae
push dword [esi]
call fcn.004143fc
pop ecx
call fcn.0040db3e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x419863
cmp eax, 0xfeff
jne 0x4197d4
push ebx
push 2
push dword [esi]
call fcn.0041bbbc
add esp, 0xc
cmp eax, 0xffffffff
je 0x4194c2
mov byte [ebp - 2], 2
jmp 0x4195e0
push ebx
push ebx
push dword [esi]
call fcn.0041bbbc
add esp, 0xc
jmp 0x419778
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x419802
dec eax
jne 0x4195e0
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x419810
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.00417b78
add esp, 0xc
cmp eax, 0xffffffff
je 0x419836
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x419810
jmp 0x4195e0
push dword [esi]
call fcn.004143fc
pop ecx
call fcn.0040db3e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x419863
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42ca40]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret