Function at 0x10185b89
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 0x10185bb8
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x10185bc2
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.1018836a
test eax, eax
pop ecx
je 0x10185bdd
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1017e6f4
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1017b777
test eax, eax
pop ecx
je 0x10185bf8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1017e6f4
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x10185c15
test ecx, 0x74000
jne 0x10185c11
cmp dword [ebp - 0x24], eax
je 0x10185c15
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x10185c6f
dec eax
je 0x10185c59
dec eax
je 0x10185c54
call fcn.1017a118
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1017a105
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1017e7f0
add esp, 0x14
jmp 0x10186221
mov dword [ebp - 8], edx
jmp 0x10185c72
test cl, 8
je 0x10185c66
test ecx, 0x70000
jne 0x10185c54
mov dword [ebp - 8], 0x40000000
jmp 0x10185c72
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x10185cb3
sub eax, ecx
je 0x10185caa
sub eax, ecx
je 0x10185ca1
sub eax, ecx
je 0x10185c98
sub eax, 0x40
jne 0x10185c2e
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x10185cb6
mov dword [ebp - 0x10], 3
jmp 0x10185cb6
mov dword [ebp - 0x10], 2
jmp 0x10185cb6
mov dword [ebp - 0x10], 1
jmp 0x10185cb6
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 0x10185d09
je 0x10185d00
cmp eax, ebx
je 0x10185d00
cmp eax, edi
je 0x10185cf7
cmp eax, 0x200
je 0x10185d7c
cmp eax, 0x300
jne 0x10185c2e
mov dword [ebp - 0x14], 2
jmp 0x10185d26
mov dword [ebp - 0x14], 4
jmp 0x10185d26
mov dword [ebp - 0x14], 3
jmp 0x10185d26
cmp eax, 0x500
je 0x10185d1f
cmp eax, 0x600
je 0x10185d7c
cmp eax, edx
jne 0x10185c2e
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10185d4a
mov ecx, dword [0x1021eb84]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10185d4a
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x10185d66
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x10185d66
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x10185d6f
or dword [ebp - 0xc], edi
test al, 0x20
je 0x10185d85
or dword [ebp - 0xc], 0x8000000
jmp 0x10185d90
mov dword [ebp - 0x14], 5
jmp 0x10185d26
test al, 0x10
je 0x10185d90
or dword [ebp - 0xc], 0x10000000
call fcn.1017f0de
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x10185db6
call fcn.1017a118
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1017a105
mov dword [eax], 0x18
jmp 0x10185e44
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 0x10185e50
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10185e1c
test byte [ebp + 0x10], 1
je 0x10185e1c
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 0x10185e50
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10223de0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1017a12b
pop ecx
call fcn.1017a105
mov eax, dword [eax]
jmp 0x101862dd
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10185ea1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10223de0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.1017a12b
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x10185e44
call fcn.1017a105
mov dword [eax], 0xd
jmp 0x10185e44
cmp eax, 2
jne 0x10185eac
or byte [ebp - 1], 0x40
jmp 0x10185eb5
cmp eax, 3
jne 0x10185eb5
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1017eead
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10223de0]
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 + 0x10223de0]
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 0x10185f8a
test cl, 0x80
je 0x1018605a
test byte [ebp + 0x10], 2
je 0x10185f8a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1018823c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x10185f49
call fcn.1017a118
cmp dword [eax], 0x83
je 0x10185f8a
push dword [esi]
call fcn.10181fa5
jmp 0x10185e43
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.101818e7
add esp, 0xc
test eax, eax
jne 0x10185f7a
cmp byte [ebp - 4], 0x1a
jne 0x10185f7a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10188088
add esp, 0xc
cmp eax, edi
je 0x10185f3d
push ebx
push ebx
push dword [esi]
call fcn.1018823c
add esp, 0xc
cmp eax, edi
je 0x10185f3d
test byte [ebp - 1], 0x80
je 0x1018605a
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10185fb2
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10185faf
or dword [ebp + 0x10], edi
jmp 0x10185fb2
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10185fff
cmp eax, 0x10000
je 0x10185feb
cmp eax, 0x14000
je 0x10185feb
cmp eax, 0x20000
je 0x10185ff9
cmp eax, 0x24000
je 0x10185ff9
cmp eax, 0x40000
je 0x10185fe5
cmp eax, 0x44000
jne 0x10186002
mov byte [ebp - 2], 1
jmp 0x10186002
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10186002
mov byte [ebp - 2], 2
jmp 0x10186002
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x1018605a
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x1018605a
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x101861b4
cmp eax, 0x80000000
je 0x1018617b
cmp eax, ecx
jne 0x1018605a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1018605a
cmp eax, 2
jbe 0x1018625c
cmp eax, 4
jbe 0x1018614d
cmp eax, 5
je 0x1018625c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10223de0]
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 + 0x10223de0]
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 0x101860cc
test byte [ebp + 0x10], 8
je 0x101860cc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10223de0]
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 0x101862db
test byte [ebp + 0x10], 1
je 0x101862db
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 0x101862c4
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1017a12b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10223de0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.1017ef2a
pop ecx
jmp 0x10185e43
push 2
push ebx
push ebx
push dword [esi]
call fcn.10179f2e
add esp, 0x10
or eax, edx
je 0x1018625c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10179f2e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10185f3d
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.101818e7
add esp, 0xc
cmp eax, 0xffffffff
je 0x10185f3d
cmp eax, 2
je 0x10186200
cmp eax, 3
jne 0x1018624e
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10186200
mov byte [ebp - 2], 1
jmp 0x1018605a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1018605a
cmp eax, 2
jbe 0x1018625c
cmp eax, 4
ja 0x10186051
push 2
push ebx
push ebx
push dword [esi]
call fcn.10179f2e
add esp, 0x10
or eax, edx
je 0x1018625c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10179f2e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x1018605a
jmp 0x10185f3d
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10186228
push dword [esi]
call fcn.10181fa5
pop ecx
call fcn.1017a105
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x101862dd
cmp eax, 0xfeff
jne 0x1018624e
push ebx
push 2
push dword [esi]
call fcn.1018823c
add esp, 0xc
cmp eax, 0xffffffff
je 0x10185f3d
mov byte [ebp - 2], 2
jmp 0x1018605a
push ebx
push ebx
push dword [esi]
call fcn.1018823c
add esp, 0xc
jmp 0x101861f2
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x1018627c
dec eax
jne 0x1018605a
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x1018628a
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.10183dfb
add esp, 0xc
cmp eax, 0xffffffff
je 0x101862b0
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x1018628a
jmp 0x1018605a
push dword [esi]
call fcn.10181fa5
pop ecx
call fcn.1017a105
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x101862dd
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10223de0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret