Function at 0x4311f4
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 0x431223
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x43122d
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004331a4
test eax, eax
pop ecx
je 0x431248
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00426edf
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00422943
test eax, eax
pop ecx
je 0x431263
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00426edf
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x431280
test ecx, 0x74000
jne 0x43127c
cmp dword [ebp - 0x24], eax
je 0x431280
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x4312da
dec eax
je 0x4312c4
dec eax
je 0x4312bf
call fcn.00422f79
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00422f66
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00426fdb
add esp, 0x14
jmp 0x43188c
mov dword [ebp - 8], edx
jmp 0x4312dd
test cl, 8
je 0x4312d1
test ecx, 0x70000
jne 0x4312bf
mov dword [ebp - 8], 0x40000000
jmp 0x4312dd
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x43131e
sub eax, ecx
je 0x431315
sub eax, ecx
je 0x43130c
sub eax, ecx
je 0x431303
sub eax, 0x40
jne 0x431299
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x431321
mov dword [ebp - 0x10], 3
jmp 0x431321
mov dword [ebp - 0x10], 2
jmp 0x431321
mov dword [ebp - 0x10], 1
jmp 0x431321
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 0x431374
je 0x43136b
cmp eax, ebx
je 0x43136b
cmp eax, edi
je 0x431362
cmp eax, 0x200
je 0x4313e7
cmp eax, 0x300
jne 0x431299
mov dword [ebp - 0x14], 2
jmp 0x431391
mov dword [ebp - 0x14], 4
jmp 0x431391
mov dword [ebp - 0x14], 3
jmp 0x431391
cmp eax, 0x500
je 0x43138a
cmp eax, 0x600
je 0x4313e7
cmp eax, edx
jne 0x431299
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4313b5
mov ecx, dword [0x449818]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4313b5
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4313d1
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4313d1
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4313da
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4313f0
or dword [ebp - 0xc], 0x8000000
jmp 0x4313fb
mov dword [ebp - 0x14], 5
jmp 0x431391
test al, 0x10
je 0x4313fb
or dword [ebp - 0xc], 0x10000000
call fcn.00425cbd
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x431421
call fcn.00422f79
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00422f66
mov dword [eax], 0x18
jmp 0x4314af
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 0x4314bb
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x431487
test byte [ebp + 0x10], 1
je 0x431487
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 0x4314bb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x44a420]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00422f8c
pop ecx
call fcn.00422f66
mov eax, dword [eax]
jmp 0x431948
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x43150c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x44a420]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00422f8c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4314af
call fcn.00422f66
mov dword [eax], 0xd
jmp 0x4314af
cmp eax, 2
jne 0x431517
or byte [ebp - 1], 0x40
jmp 0x431520
cmp eax, 3
jne 0x431520
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00425a8c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x44a420]
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 + 0x44a420]
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 0x4315f5
test cl, 0x80
je 0x4316c5
test byte [ebp + 0x10], 2
je 0x4315f5
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004303a0
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4315b4
call fcn.00422f79
cmp dword [eax], 0x83
je 0x4315f5
push dword [esi]
call fcn.0042f393
jmp 0x4314ae
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0042f640
add esp, 0xc
test eax, eax
jne 0x4315e5
cmp byte [ebp - 4], 0x1a
jne 0x4315e5
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00432f34
add esp, 0xc
cmp eax, edi
je 0x4315a8
push ebx
push ebx
push dword [esi]
call fcn.004303a0
add esp, 0xc
cmp eax, edi
je 0x4315a8
test byte [ebp - 1], 0x80
je 0x4316c5
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x43161d
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x43161a
or dword [ebp + 0x10], edi
jmp 0x43161d
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x43166a
cmp eax, 0x10000
je 0x431656
cmp eax, 0x14000
je 0x431656
cmp eax, 0x20000
je 0x431664
cmp eax, 0x24000
je 0x431664
cmp eax, 0x40000
je 0x431650
cmp eax, reloc.KERNEL32.dll_GetConsoleOutputCP
jne 0x43166d
mov byte [ebp - 2], 1
jmp 0x43166d
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x43166d
mov byte [ebp - 2], 2
jmp 0x43166d
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4316c5
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4316c5
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x43181f
cmp eax, 0x80000000
je 0x4317e6
cmp eax, ecx
jne 0x4316c5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4316c5
cmp eax, 2
jbe 0x4318c7
cmp eax, 4
jbe 0x4317b8
cmp eax, 5
je 0x4318c7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44a420]
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 + 0x44a420]
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 0x431737
test byte [ebp + 0x10], 8
je 0x431737
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44a420]
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 0x431946
test byte [ebp + 0x10], 1
je 0x431946
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 0x43192f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00422f8c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44a420]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00425b09
pop ecx
jmp 0x4314ae
push 2
push ebx
push ebx
push dword [esi]
call fcn.00430d87
add esp, 0x10
or eax, edx
je 0x4318c7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00430d87
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4315a8
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0042f640
add esp, 0xc
cmp eax, 0xffffffff
je 0x4315a8
cmp eax, 2
je 0x43186b
cmp eax, 3
jne 0x4318b9
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x43186b
mov byte [ebp - 2], 1
jmp 0x4316c5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4316c5
cmp eax, 2
jbe 0x4318c7
cmp eax, 4
ja 0x4316bc
push 2
push ebx
push ebx
push dword [esi]
call fcn.00430d87
add esp, 0x10
or eax, edx
je 0x4318c7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00430d87
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4316c5
jmp 0x4315a8
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x431893
push dword [esi]
call fcn.0042f393
pop ecx
call fcn.00422f66
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x431948
cmp eax, 0xfeff
jne 0x4318b9
push ebx
push 2
push dword [esi]
call fcn.004303a0
add esp, 0xc
cmp eax, 0xffffffff
je 0x4315a8
mov byte [ebp - 2], 2
jmp 0x4316c5
push ebx
push ebx
push dword [esi]
call fcn.004303a0
add esp, 0xc
jmp 0x43185d
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4318e7
dec eax
jne 0x4316c5
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4318f5
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.004302c4
add esp, 0xc
cmp eax, 0xffffffff
je 0x43191b
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4318f5
jmp 0x4316c5
push dword [esi]
call fcn.0042f393
pop ecx
call fcn.00422f66
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x431948
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44a420]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret