Function at 0x54319e
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 0x5431cd
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x5431d7
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00544bfe
test eax, eax
pop ecx
je 0x5431f2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0052b200
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0052abd7
test eax, eax
pop ecx
je 0x54320d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0052b200
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x54322a
test ecx, 0x74000
jne 0x543226
cmp dword [ebp - 0x24], eax
je 0x54322a
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x543284
dec eax
je 0x54326e
dec eax
je 0x543269
call fcn.005322fc
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005322e9
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0052b2fc
add esp, 0x14
jmp 0x543837
mov dword [ebp - 8], edx
jmp 0x543287
test cl, 8
je 0x54327b
test ecx, 0x70000
jne 0x543269
mov dword [ebp - 8], 0x40000000
jmp 0x543287
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x5432c8
sub eax, ecx
je 0x5432bf
sub eax, ecx
je 0x5432b6
sub eax, ecx
je 0x5432ad
sub eax, 0x40
jne 0x543243
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x5432cb
mov dword [ebp - 0x10], 3
jmp 0x5432cb
mov dword [ebp - 0x10], 2
jmp 0x5432cb
mov dword [ebp - 0x10], 1
jmp 0x5432cb
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 0x54331e
je 0x543315
cmp eax, ebx
je 0x543315
cmp eax, edi
je 0x54330c
cmp eax, 0x200
je 0x543391
cmp eax, 0x300
jne 0x543243
mov dword [ebp - 0x14], 2
jmp 0x54333b
mov dword [ebp - 0x14], 4
jmp 0x54333b
mov dword [ebp - 0x14], 3
jmp 0x54333b
cmp eax, 0x500
je 0x543334
cmp eax, 0x600
je 0x543391
cmp eax, edx
jne 0x543243
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x54335f
mov ecx, dword [0x65f660]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x54335f
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x54337b
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x54337b
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x543384
or dword [ebp - 0xc], edi
test al, 0x20
je 0x54339a
or dword [ebp - 0xc], 0x8000000
jmp 0x5433a5
mov dword [ebp - 0x14], 5
jmp 0x54333b
test al, 0x10
je 0x5433a5
or dword [ebp - 0xc], 0x10000000
call fcn.00540964
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x5433cb
call fcn.005322fc
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005322e9
mov dword [eax], 0x18
jmp 0x543459
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 0x543465
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x543431
test byte [ebp + 0x10], 1
je 0x543431
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 0x543465
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x6619e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0053230f
pop ecx
call fcn.005322e9
mov eax, dword [eax]
jmp 0x5438f3
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x5434b6
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x6619e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0053230f
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x543459
call fcn.005322e9
mov dword [eax], 0xd
jmp 0x543459
cmp eax, 2
jne 0x5434c1
or byte [ebp - 1], 0x40
jmp 0x5434ca
cmp eax, 3
jne 0x5434ca
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00540733
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x6619e0]
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 + 0x6619e0]
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 0x5435a0
test cl, 0x80
je 0x543670
test byte [ebp + 0x10], 2
je 0x5435a0
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0053a5e0
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x54355e
call fcn.005322fc
cmp dword [eax], 0x83
je 0x5435a0
push dword [esi]
call fcn.0053a842
jmp 0x543458
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0053a9a3
add esp, 0xc
test eax, eax
jne 0x543590
cmp word [ebp - 0x2c], 0x1a
jne 0x543590
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0054498e
add esp, 0xc
cmp eax, edi
je 0x543552
push ebx
push ebx
push dword [esi]
call fcn.0053a5e0
add esp, 0xc
cmp eax, edi
je 0x543552
test byte [ebp - 1], 0x80
je 0x543670
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x5435c8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x5435c5
or dword [ebp + 0x10], edi
jmp 0x5435c8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x543615
cmp eax, 0x10000
je 0x543601
cmp eax, 0x14000
je 0x543601
cmp eax, 0x20000
je 0x54360f
cmp eax, 0x24000
je 0x54360f
cmp eax, 0x40000
je 0x5435fb
cmp eax, 0x44000
jne 0x543618
mov byte [ebp - 2], 1
jmp 0x543618
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x543618
mov byte [ebp - 2], 2
jmp 0x543618
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x543670
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x543670
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x5437ca
cmp eax, 0x80000000
je 0x543791
cmp eax, ecx
jne 0x543670
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x543670
cmp eax, 2
jbe 0x543872
cmp eax, 4
jbe 0x543763
cmp eax, 5
je 0x543872
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6619e0]
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 + 0x6619e0]
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 0x5436e2
test byte [ebp + 0x10], 8
je 0x5436e2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6619e0]
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 0x5438f1
test byte [ebp + 0x10], 1
je 0x5438f1
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 0x5438da
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0053230f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6619e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005407b0
pop ecx
jmp 0x543458
push 2
push ebx
push ebx
push dword [esi]
call fcn.0053da0d
add esp, 0x10
or eax, edx
je 0x543872
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0053da0d
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x543552
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0053a9a3
add esp, 0xc
cmp eax, 0xffffffff
je 0x543552
cmp eax, 2
je 0x543816
cmp eax, 3
jne 0x543864
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x543816
mov byte [ebp - 2], 1
jmp 0x543670
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x543670
cmp eax, 2
jbe 0x543872
cmp eax, 4
ja 0x543667
push 2
push ebx
push ebx
push dword [esi]
call fcn.0053da0d
add esp, 0x10
or eax, edx
je 0x543872
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0053da0d
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x543670
jmp 0x543552
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x54383e
push dword [esi]
call fcn.0053a842
pop ecx
call fcn.005322e9
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x5438f3
cmp eax, 0xfeff
jne 0x543864
push ebx
push 2
push dword [esi]
call fcn.0053a5e0
add esp, 0xc
cmp eax, 0xffffffff
je 0x543552
mov byte [ebp - 2], 2
jmp 0x543670
push ebx
push ebx
push dword [esi]
call fcn.0053a5e0
add esp, 0xc
jmp 0x543808
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x543892
dec eax
jne 0x543670
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5438a0
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.005392d9
add esp, 0xc
cmp eax, 0xffffffff
je 0x5438c6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5438a0
jmp 0x543670
push dword [esi]
call fcn.0053a842
pop ecx
call fcn.005322e9
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x5438f3
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6619e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret