Function at 0x43ae8b
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 0x43aeba
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x43aec4
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0043e1e1
test eax, eax
pop ecx
je 0x43aedf
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004232a2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00427dcd
test eax, eax
pop ecx
je 0x43aefa
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004232a2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x43af17
test ecx, 0x74000
jne 0x43af13
cmp dword [ebp - 0x24], eax
je 0x43af17
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x43af71
dec eax
je 0x43af5b
dec eax
je 0x43af56
call fcn.0042808e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042807b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042339e
add esp, 0x14
jmp 0x43b523
mov dword [ebp - 8], edx
jmp 0x43af74
test cl, 8
je 0x43af68
test ecx, 0x70000
jne 0x43af56
mov dword [ebp - 8], 0x40000000
jmp 0x43af74
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x43afb5
sub eax, ecx
je 0x43afac
sub eax, ecx
je 0x43afa3
sub eax, ecx
je 0x43af9a
sub eax, 0x40
jne 0x43af30
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x43afb8
mov dword [ebp - 0x10], 3
jmp 0x43afb8
mov dword [ebp - 0x10], 2
jmp 0x43afb8
mov dword [ebp - 0x10], 1
jmp 0x43afb8
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 0x43b00b
je 0x43b002
cmp eax, ebx
je 0x43b002
cmp eax, edi
je 0x43aff9
cmp eax, 0x200
je 0x43b07e
cmp eax, 0x300
jne 0x43af30
mov dword [ebp - 0x14], 2
jmp 0x43b028
mov dword [ebp - 0x14], 4
jmp 0x43b028
mov dword [ebp - 0x14], 3
jmp 0x43b028
cmp eax, 0x500
je 0x43b021
cmp eax, 0x600
je 0x43b07e
cmp eax, edx
jne 0x43af30
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x43b04c
mov ecx, dword [0x451c84]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x43b04c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x43b068
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x43b068
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x43b071
or dword [ebp - 0xc], edi
test al, 0x20
je 0x43b087
or dword [ebp - 0xc], 0x8000000
jmp 0x43b092
mov dword [ebp - 0x14], 5
jmp 0x43b028
test al, 0x10
je 0x43b092
or dword [ebp - 0xc], 0x10000000
call fcn.0043a94a
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x43b0b8
call fcn.0042808e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042807b
mov dword [eax], 0x18
jmp 0x43b146
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 0x43b152
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x43b11e
test byte [ebp + 0x10], 1
je 0x43b11e
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 0x43b152
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x452900]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004280a1
pop ecx
call fcn.0042807b
mov eax, dword [eax]
jmp 0x43b5df
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x43b1a3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x452900]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004280a1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x43b146
call fcn.0042807b
mov dword [eax], 0xd
jmp 0x43b146
cmp eax, 2
jne 0x43b1ae
or byte [ebp - 1], 0x40
jmp 0x43b1b7
cmp eax, 3
jne 0x43b1b7
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0043a719
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x452900]
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 + 0x452900]
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 0x43b28c
test cl, 0x80
je 0x43b35c
test byte [ebp + 0x10], 2
je 0x43b28c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0042d519
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x43b24b
call fcn.0042808e
cmp dword [eax], 0x83
je 0x43b28c
push dword [esi]
call fcn.0042d8e7
jmp 0x43b145
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00439f99
add esp, 0xc
test eax, eax
jne 0x43b27c
cmp byte [ebp - 4], 0x1a
jne 0x43b27c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0043df71
add esp, 0xc
cmp eax, edi
je 0x43b23f
push ebx
push ebx
push dword [esi]
call fcn.0042d519
add esp, 0xc
cmp eax, edi
je 0x43b23f
test byte [ebp - 1], 0x80
je 0x43b35c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x43b2b4
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x43b2b1
or dword [ebp + 0x10], edi
jmp 0x43b2b4
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x43b301
cmp eax, 0x10000
je 0x43b2ed
cmp eax, 0x14000
je 0x43b2ed
cmp eax, 0x20000
je 0x43b2fb
cmp eax, 0x24000
je 0x43b2fb
cmp eax, 0x40000
je 0x43b2e7
cmp eax, 0x44000
jne 0x43b304
mov byte [ebp - 2], 1
jmp 0x43b304
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x43b304
mov byte [ebp - 2], 2
jmp 0x43b304
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x43b35c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x43b35c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x43b4b6
cmp eax, 0x80000000
je 0x43b47d
cmp eax, ecx
jne 0x43b35c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43b35c
cmp eax, 2
jbe 0x43b55e
cmp eax, 4
jbe 0x43b44f
cmp eax, 5
je 0x43b55e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452900]
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 + 0x452900]
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 0x43b3ce
test byte [ebp + 0x10], 8
je 0x43b3ce
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452900]
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 0x43b5dd
test byte [ebp + 0x10], 1
je 0x43b5dd
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 0x43b5c6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004280a1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452900]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0043a796
pop ecx
jmp 0x43b145
push 2
push ebx
push ebx
push dword [esi]
call fcn.00439d89
add esp, 0x10
or eax, edx
je 0x43b55e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00439d89
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x43b23f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00439f99
add esp, 0xc
cmp eax, 0xffffffff
je 0x43b23f
cmp eax, 2
je 0x43b502
cmp eax, 3
jne 0x43b550
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x43b502
mov byte [ebp - 2], 1
jmp 0x43b35c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43b35c
cmp eax, 2
jbe 0x43b55e
cmp eax, 4
ja 0x43b353
push 2
push ebx
push ebx
push dword [esi]
call fcn.00439d89
add esp, 0x10
or eax, edx
je 0x43b55e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00439d89
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x43b35c
jmp 0x43b23f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x43b52a
push dword [esi]
call fcn.0042d8e7
pop ecx
call fcn.0042807b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x43b5df
cmp eax, 0xfeff
jne 0x43b550
push ebx
push 2
push dword [esi]
call fcn.0042d519
add esp, 0xc
cmp eax, 0xffffffff
je 0x43b23f
mov byte [ebp - 2], 2
jmp 0x43b35c
push ebx
push ebx
push dword [esi]
call fcn.0042d519
add esp, 0xc
jmp 0x43b4f4
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x43b57e
dec eax
jne 0x43b35c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x43b58c
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.0042d00a
add esp, 0xc
cmp eax, 0xffffffff
je 0x43b5b2
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x43b58c
jmp 0x43b35c
push dword [esi]
call fcn.0042d8e7
pop ecx
call fcn.0042807b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x43b5df
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452900]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret