Function at 0x10023770
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 0x1002379f
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x100237a9
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.1002724e
test eax, eax
pop ecx
je 0x100237c4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10014be5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.10015e2b
test eax, eax
pop ecx
je 0x100237df
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10014be5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x100237fc
test ecx, 0x74000
jne 0x100237f8
cmp dword [ebp - 0x24], eax
je 0x100237fc
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x10023856
dec eax
je 0x10023840
dec eax
je 0x1002383b
call fcn.10015abd
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10015aaa
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.10014ce1
add esp, 0x14
jmp 0x10023e09
mov dword [ebp - 8], edx
jmp 0x10023859
test cl, 8
je 0x1002384d
test ecx, 0x70000
jne 0x1002383b
mov dword [ebp - 8], 0x40000000
jmp 0x10023859
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x1002389a
sub eax, ecx
je 0x10023891
sub eax, ecx
je 0x10023888
sub eax, ecx
je 0x1002387f
sub eax, 0x40
jne 0x10023815
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x1002389d
mov dword [ebp - 0x10], 3
jmp 0x1002389d
mov dword [ebp - 0x10], 2
jmp 0x1002389d
mov dword [ebp - 0x10], 1
jmp 0x1002389d
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 0x100238f0
je 0x100238e7
cmp eax, ebx
je 0x100238e7
cmp eax, edi
je 0x100238de
cmp eax, 0x200
je 0x10023963
cmp eax, 0x300
jne 0x10023815
mov dword [ebp - 0x14], 2
jmp 0x1002390d
mov dword [ebp - 0x14], 4
jmp 0x1002390d
mov dword [ebp - 0x14], 3
jmp 0x1002390d
cmp eax, 0x500
je 0x10023906
cmp eax, 0x600
je 0x10023963
cmp eax, edx
jne 0x10023815
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10023931
mov ecx, dword [0x1003f86c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10023931
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1002394d
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1002394d
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x10023956
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1002396c
or dword [ebp - 0xc], 0x8000000
jmp 0x10023977
mov dword [ebp - 0x14], 5
jmp 0x1002390d
test al, 0x10
je 0x10023977
or dword [ebp - 0xc], 0x10000000
call fcn.1002338f
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x1002399d
call fcn.10015abd
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10015aaa
mov dword [eax], 0x18
jmp 0x10023a2b
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 0x10023a37
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10023a03
test byte [ebp + 0x10], 1
je 0x10023a03
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 0x10023a37
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100403c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10015ad0
pop ecx
call fcn.10015aaa
mov eax, dword [eax]
jmp 0x10023ec5
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10023a88
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100403c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.10015ad0
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x10023a2b
call fcn.10015aaa
mov dword [eax], 0xd
jmp 0x10023a2b
cmp eax, 2
jne 0x10023a93
or byte [ebp - 1], 0x40
jmp 0x10023a9c
cmp eax, 3
jne 0x10023a9c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1002315e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x100403c0]
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 + 0x100403c0]
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 0x10023b72
test cl, 0x80
je 0x10023c42
test byte [ebp + 0x10], 2
je 0x10023b72
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.10027120
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x10023b30
call fcn.10015abd
cmp dword [eax], 0x83
je 0x10023b72
push dword [esi]
call fcn.1001d3bc
jmp 0x10023a2a
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.10026862
add esp, 0xc
test eax, eax
jne 0x10023b62
cmp word [ebp - 0x2c], 0x1a
jne 0x10023b62
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10026f6c
add esp, 0xc
cmp eax, edi
je 0x10023b24
push ebx
push ebx
push dword [esi]
call fcn.10027120
add esp, 0xc
cmp eax, edi
je 0x10023b24
test byte [ebp - 1], 0x80
je 0x10023c42
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10023b9a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10023b97
or dword [ebp + 0x10], edi
jmp 0x10023b9a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10023be7
cmp eax, 0x10000
je 0x10023bd3
cmp eax, 0x14000
je 0x10023bd3
cmp eax, 0x20000
je 0x10023be1
cmp eax, 0x24000
je 0x10023be1
cmp eax, 0x40000
je 0x10023bcd
cmp eax, 0x44000
jne 0x10023bea
mov byte [ebp - 2], 1
jmp 0x10023bea
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10023bea
mov byte [ebp - 2], 2
jmp 0x10023bea
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x10023c42
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x10023c42
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10023d9c
cmp eax, 0x80000000
je 0x10023d63
cmp eax, ecx
jne 0x10023c42
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10023c42
cmp eax, 2
jbe 0x10023e44
cmp eax, 4
jbe 0x10023d35
cmp eax, 5
je 0x10023e44
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100403c0]
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 + 0x100403c0]
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 0x10023cb4
test byte [ebp + 0x10], 8
je 0x10023cb4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100403c0]
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 0x10023ec3
test byte [ebp + 0x10], 1
je 0x10023ec3
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 0x10023eac
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10015ad0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100403c0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.100231db
pop ecx
jmp 0x10023a2a
push 2
push ebx
push ebx
push dword [esi]
call fcn.1002171c
add esp, 0x10
or eax, edx
je 0x10023e44
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1002171c
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10023b24
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.10026862
add esp, 0xc
cmp eax, 0xffffffff
je 0x10023b24
cmp eax, 2
je 0x10023de8
cmp eax, 3
jne 0x10023e36
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10023de8
mov byte [ebp - 2], 1
jmp 0x10023c42
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10023c42
cmp eax, 2
jbe 0x10023e44
cmp eax, 4
ja 0x10023c39
push 2
push ebx
push ebx
push dword [esi]
call fcn.1002171c
add esp, 0x10
or eax, edx
je 0x10023e44
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1002171c
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x10023c42
jmp 0x10023b24
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10023e10
push dword [esi]
call fcn.1001d3bc
pop ecx
call fcn.10015aaa
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x10023ec5
cmp eax, 0xfeff
jne 0x10023e36
push ebx
push 2
push dword [esi]
call fcn.10027120
add esp, 0xc
cmp eax, 0xffffffff
je 0x10023b24
mov byte [ebp - 2], 2
jmp 0x10023c42
push ebx
push ebx
push dword [esi]
call fcn.10027120
add esp, 0xc
jmp 0x10023dda
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x10023e64
dec eax
jne 0x10023c42
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x10023e72
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.1001de64
add esp, 0xc
cmp eax, 0xffffffff
je 0x10023e98
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x10023e72
jmp 0x10023c42
push dword [esi]
call fcn.1001d3bc
pop ecx
call fcn.10015aaa
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x10023ec5
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100403c0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret