Function at 0x43e222
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 0x43e251
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x43e25b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0043fd07
test eax, eax
pop ecx
je 0x43e276
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042adef
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042a0f0
test eax, eax
pop ecx
je 0x43e291
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042adef
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x43e2ae
test ecx, 0x74000
jne 0x43e2aa
cmp dword [ebp - 0x24], eax
je 0x43e2ae
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x43e308
dec eax
je 0x43e2f2
dec eax
je 0x43e2ed
call fcn.0042d944
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042d931
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042aeeb
add esp, 0x14
jmp 0x43e8ba
mov dword [ebp - 8], edx
jmp 0x43e30b
test cl, 8
je 0x43e2ff
test ecx, 0x70000
jne 0x43e2ed
mov dword [ebp - 8], 0x40000000
jmp 0x43e30b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x43e34c
sub eax, ecx
je 0x43e343
sub eax, ecx
je 0x43e33a
sub eax, ecx
je 0x43e331
sub eax, 0x40
jne 0x43e2c7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x43e34f
mov dword [ebp - 0x10], 3
jmp 0x43e34f
mov dword [ebp - 0x10], 2
jmp 0x43e34f
mov dword [ebp - 0x10], 1
jmp 0x43e34f
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 0x43e3a2
je 0x43e399
cmp eax, ebx
je 0x43e399
cmp eax, edi
je 0x43e390
cmp eax, 0x200
je 0x43e415
cmp eax, 0x300
jne 0x43e2c7
mov dword [ebp - 0x14], 2
jmp 0x43e3bf
mov dword [ebp - 0x14], 4
jmp 0x43e3bf
mov dword [ebp - 0x14], 3
jmp 0x43e3bf
cmp eax, 0x500
je 0x43e3b8
cmp eax, 0x600
je 0x43e415
cmp eax, edx
jne 0x43e2c7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x43e3e3
mov ecx, dword [0x47cdd0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x43e3e3
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x43e3ff
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x43e3ff
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x43e408
or dword [ebp - 0xc], edi
test al, 0x20
je 0x43e41e
or dword [ebp - 0xc], 0x8000000
jmp 0x43e429
mov dword [ebp - 0x14], 5
jmp 0x43e3bf
test al, 0x10
je 0x43e429
or dword [ebp - 0xc], 0x10000000
call fcn.0043c796
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x43e44f
call fcn.0042d944
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042d931
mov dword [eax], 0x18
jmp 0x43e4dd
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 0x43e4e9
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x43e4b5
test byte [ebp + 0x10], 1
je 0x43e4b5
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 0x43e4e9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x47dd20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042d957
pop ecx
call fcn.0042d931
mov eax, dword [eax]
jmp 0x43e976
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x43e53a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x47dd20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042d957
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x43e4dd
call fcn.0042d931
mov dword [eax], 0xd
jmp 0x43e4dd
cmp eax, 2
jne 0x43e545
or byte [ebp - 1], 0x40
jmp 0x43e54e
cmp eax, 3
jne 0x43e54e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0043c565
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x47dd20]
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 + 0x47dd20]
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 0x43e623
test cl, 0x80
je 0x43e6f3
test byte [ebp + 0x10], 2
je 0x43e623
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00434fbf
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x43e5e2
call fcn.0042d944
cmp dword [eax], 0x83
je 0x43e623
push dword [esi]
call fcn.00437eb3
jmp 0x43e4dc
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0043b890
add esp, 0xc
test eax, eax
jne 0x43e613
cmp byte [ebp - 4], 0x1a
jne 0x43e613
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0043fa97
add esp, 0xc
cmp eax, edi
je 0x43e5d6
push ebx
push ebx
push dword [esi]
call fcn.00434fbf
add esp, 0xc
cmp eax, edi
je 0x43e5d6
test byte [ebp - 1], 0x80
je 0x43e6f3
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x43e64b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x43e648
or dword [ebp + 0x10], edi
jmp 0x43e64b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x43e698
cmp eax, 0x10000
je 0x43e684
cmp eax, 0x14000
je 0x43e684
cmp eax, 0x20000
je 0x43e692
cmp eax, 0x24000
je 0x43e692
cmp eax, 0x40000
je 0x43e67e
cmp eax, 0x44000
jne 0x43e69b
mov byte [ebp - 2], 1
jmp 0x43e69b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x43e69b
mov byte [ebp - 2], 2
jmp 0x43e69b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x43e6f3
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x43e6f3
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x43e84d
cmp eax, 0x80000000
je 0x43e814
cmp eax, ecx
jne 0x43e6f3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43e6f3
cmp eax, 2
jbe 0x43e8f5
cmp eax, 4
jbe 0x43e7e6
cmp eax, 5
je 0x43e8f5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x47dd20]
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 + 0x47dd20]
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 0x43e765
test byte [ebp + 0x10], 8
je 0x43e765
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x47dd20]
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 0x43e974
test byte [ebp + 0x10], 1
je 0x43e974
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 0x43e95d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042d957
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x47dd20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0043c5e2
pop ecx
jmp 0x43e4dc
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043ad90
add esp, 0x10
or eax, edx
je 0x43e8f5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043ad90
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x43e5d6
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043b890
add esp, 0xc
cmp eax, 0xffffffff
je 0x43e5d6
cmp eax, 2
je 0x43e899
cmp eax, 3
jne 0x43e8e7
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x43e899
mov byte [ebp - 2], 1
jmp 0x43e6f3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43e6f3
cmp eax, 2
jbe 0x43e8f5
cmp eax, 4
ja 0x43e6ea
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043ad90
add esp, 0x10
or eax, edx
je 0x43e8f5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043ad90
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x43e6f3
jmp 0x43e5d6
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x43e8c1
push dword [esi]
call fcn.00437eb3
pop ecx
call fcn.0042d931
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x43e976
cmp eax, 0xfeff
jne 0x43e8e7
push ebx
push 2
push dword [esi]
call fcn.00434fbf
add esp, 0xc
cmp eax, 0xffffffff
je 0x43e5d6
mov byte [ebp - 2], 2
jmp 0x43e6f3
push ebx
push ebx
push dword [esi]
call fcn.00434fbf
add esp, 0xc
jmp 0x43e88b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x43e915
dec eax
jne 0x43e6f3
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x43e923
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.00437072
add esp, 0xc
cmp eax, 0xffffffff
je 0x43e949
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x43e923
jmp 0x43e6f3
push dword [esi]
call fcn.00437eb3
pop ecx
call fcn.0042d931
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x43e976
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x47dd20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret