Function at 0x42deb6
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 0x42dee5
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x42deef
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0042f40c
test eax, eax
pop ecx
je 0x42df0a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040ed77
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00410b88
test eax, eax
pop ecx
je 0x42df25
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040ed77
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x42df42
test ecx, 0x74000
jne 0x42df3e
cmp dword [ebp - 0x24], eax
je 0x42df42
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x42df9c
dec eax
je 0x42df86
dec eax
je 0x42df81
call fcn.00415c06
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00415bf3
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040eeab
add esp, 0x14
jmp 0x42e54f
mov dword [ebp - 8], edx
jmp 0x42df9f
test cl, 8
je 0x42df93
test ecx, 0x70000
jne 0x42df81
mov dword [ebp - 8], 0x40000000
jmp 0x42df9f
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42dfe0
sub eax, ecx
je 0x42dfd7
sub eax, ecx
je 0x42dfce
sub eax, ecx
je 0x42dfc5
sub eax, 0x40
jne 0x42df5b
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x42dfe3
mov dword [ebp - 0x10], 3
jmp 0x42dfe3
mov dword [ebp - 0x10], 2
jmp 0x42dfe3
mov dword [ebp - 0x10], 1
jmp 0x42dfe3
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 0x42e036
je 0x42e02d
cmp eax, ebx
je 0x42e02d
cmp eax, edi
je 0x42e024
cmp eax, 0x200
je 0x42e0a9
cmp eax, 0x300
jne 0x42df5b
mov dword [ebp - 0x14], 2
jmp 0x42e053
mov dword [ebp - 0x14], 4
jmp 0x42e053
mov dword [ebp - 0x14], 3
jmp 0x42e053
cmp eax, 0x500
je 0x42e04c
cmp eax, 0x600
je 0x42e0a9
cmp eax, edx
jne 0x42df5b
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x42e077
mov ecx, dword [0x449000]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x42e077
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x42e093
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x42e093
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42e09c
or dword [ebp - 0xc], edi
test al, 0x20
je 0x42e0b2
or dword [ebp - 0xc], 0x8000000
jmp 0x42e0bd
mov dword [ebp - 0x14], 5
jmp 0x42e053
test al, 0x10
je 0x42e0bd
or dword [ebp - 0xc], 0x10000000
call fcn.0042906d
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42e0e3
call fcn.00415c06
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00415bf3
mov dword [eax], 0x18
jmp 0x42e171
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 0x42e17d
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x42e149
test byte [ebp + 0x10], 1
je 0x42e149
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 0x42e17d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x449b20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00415c19
pop ecx
call fcn.00415bf3
mov eax, dword [eax]
jmp 0x42e60b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42e1ce
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x449b20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00415c19
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x42e171
call fcn.00415bf3
mov dword [eax], 0xd
jmp 0x42e171
cmp eax, 2
jne 0x42e1d9
or byte [ebp - 1], 0x40
jmp 0x42e1e2
cmp eax, 3
jne 0x42e1e2
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00428e3c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x449b20]
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 + 0x449b20]
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 0x42e2b8
test cl, 0x80
je 0x42e388
test byte [ebp + 0x10], 2
je 0x42e2b8
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00418f72
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42e276
call fcn.00415c06
cmp dword [eax], 0x83
je 0x42e2b8
push dword [esi]
call fcn.004193ae
jmp 0x42e170
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004282b7
add esp, 0xc
test eax, eax
jne 0x42e2a8
cmp word [ebp - 0x2c], 0x1a
jne 0x42e2a8
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042f051
add esp, 0xc
cmp eax, edi
je 0x42e26a
push ebx
push ebx
push dword [esi]
call fcn.00418f72
add esp, 0xc
cmp eax, edi
je 0x42e26a
test byte [ebp - 1], 0x80
je 0x42e388
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42e2e0
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42e2dd
or dword [ebp + 0x10], edi
jmp 0x42e2e0
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x42e32d
cmp eax, 0x10000
je 0x42e319
cmp eax, 0x14000
je 0x42e319
cmp eax, 0x20000
je 0x42e327
cmp eax, 0x24000
je 0x42e327
cmp eax, 0x40000
je 0x42e313
cmp eax, 0x44000
jne 0x42e330
mov byte [ebp - 2], 1
jmp 0x42e330
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x42e330
mov byte [ebp - 2], 2
jmp 0x42e330
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x42e388
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x42e388
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x42e4e2
cmp eax, 0x80000000
je 0x42e4a9
cmp eax, ecx
jne 0x42e388
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42e388
cmp eax, 2
jbe 0x42e58a
cmp eax, 4
jbe 0x42e47b
cmp eax, 5
je 0x42e58a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
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 + 0x449b20]
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 0x42e3fa
test byte [ebp + 0x10], 8
je 0x42e3fa
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
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 0x42e609
test byte [ebp + 0x10], 1
je 0x42e609
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 0x42e5f2
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00415c19
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00428eb9
pop ecx
jmp 0x42e170
push 2
push ebx
push ebx
push dword [esi]
call fcn.00428975
add esp, 0x10
or eax, edx
je 0x42e58a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00428975
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x42e26a
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004282b7
add esp, 0xc
cmp eax, 0xffffffff
je 0x42e26a
cmp eax, 2
je 0x42e52e
cmp eax, 3
jne 0x42e57c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x42e52e
mov byte [ebp - 2], 1
jmp 0x42e388
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42e388
cmp eax, 2
jbe 0x42e58a
cmp eax, 4
ja 0x42e37f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00428975
add esp, 0x10
or eax, edx
je 0x42e58a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00428975
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x42e388
jmp 0x42e26a
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42e556
push dword [esi]
call fcn.004193ae
pop ecx
call fcn.00415bf3
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x42e60b
cmp eax, 0xfeff
jne 0x42e57c
push ebx
push 2
push dword [esi]
call fcn.00418f72
add esp, 0xc
cmp eax, 0xffffffff
je 0x42e26a
mov byte [ebp - 2], 2
jmp 0x42e388
push ebx
push ebx
push dword [esi]
call fcn.00418f72
add esp, 0xc
jmp 0x42e520
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x42e5aa
dec eax
jne 0x42e388
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x42e5b8
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.00418a63
add esp, 0xc
cmp eax, 0xffffffff
je 0x42e5de
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x42e5b8
jmp 0x42e388
push dword [esi]
call fcn.004193ae
pop ecx
call fcn.00415bf3
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x42e60b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret