Function at 0x1015c956
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 0x1015c985
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x1015c98f
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.101628f1
test eax, eax
pop ecx
je 0x1015c9aa
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10149655
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.10153526
test eax, eax
pop ecx
je 0x1015c9c5
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10149655
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1015c9e2
test ecx, 0x74000
jne 0x1015c9de
cmp dword [ebp - 0x24], eax
je 0x1015c9e2
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x1015ca3c
dec eax
je 0x1015ca26
dec eax
je 0x1015ca21
call fcn.1014f469
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1014f456
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.10149751
add esp, 0x14
jmp 0x1015cfef
mov dword [ebp - 8], edx
jmp 0x1015ca3f
test cl, 8
je 0x1015ca33
test ecx, 0x70000
jne 0x1015ca21
mov dword [ebp - 8], 0x40000000
jmp 0x1015ca3f
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x1015ca80
sub eax, ecx
je 0x1015ca77
sub eax, ecx
je 0x1015ca6e
sub eax, ecx
je 0x1015ca65
sub eax, 0x40
jne 0x1015c9fb
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x1015ca83
mov dword [ebp - 0x10], 3
jmp 0x1015ca83
mov dword [ebp - 0x10], 2
jmp 0x1015ca83
mov dword [ebp - 0x10], 1
jmp 0x1015ca83
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 0x1015cad6
je 0x1015cacd
cmp eax, ebx
je 0x1015cacd
cmp eax, edi
je 0x1015cac4
cmp eax, 0x200
je 0x1015cb49
cmp eax, 0x300
jne 0x1015c9fb
mov dword [ebp - 0x14], 2
jmp 0x1015caf3
mov dword [ebp - 0x14], 4
jmp 0x1015caf3
mov dword [ebp - 0x14], 3
jmp 0x1015caf3
cmp eax, 0x500
je 0x1015caec
cmp eax, 0x600
je 0x1015cb49
cmp eax, edx
jne 0x1015c9fb
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x1015cb17
mov ecx, dword [0x101b1d54]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x1015cb17
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1015cb33
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1015cb33
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x1015cb3c
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1015cb52
or dword [ebp - 0xc], 0x8000000
jmp 0x1015cb5d
mov dword [ebp - 0x14], 5
jmp 0x1015caf3
test al, 0x10
je 0x1015cb5d
or dword [ebp - 0xc], 0x10000000
call fcn.1015bf74
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x1015cb83
call fcn.1014f469
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1014f456
mov dword [eax], 0x18
jmp 0x1015cc11
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 0x1015cc1d
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x1015cbe9
test byte [ebp + 0x10], 1
je 0x1015cbe9
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 0x1015cc1d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x101b28a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.1014f47c
pop ecx
call fcn.1014f456
mov eax, dword [eax]
jmp 0x1015d0ab
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x1015cc6e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x101b28a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.1014f47c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x1015cc11
call fcn.1014f456
mov dword [eax], 0xd
jmp 0x1015cc11
cmp eax, 2
jne 0x1015cc79
or byte [ebp - 1], 0x40
jmp 0x1015cc82
cmp eax, 3
jne 0x1015cc82
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1015bd43
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x101b28a0]
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 + 0x101b28a0]
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 0x1015cd58
test cl, 0x80
je 0x1015ce28
test byte [ebp + 0x10], 2
je 0x1015cd58
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1015ada4
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x1015cd16
call fcn.1014f469
cmp dword [eax], 0x83
je 0x1015cd58
push dword [esi]
call fcn.1014f56e
jmp 0x1015cc10
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.1014f6cf
add esp, 0xc
test eax, eax
jne 0x1015cd48
cmp word [ebp - 0x2c], 0x1a
jne 0x1015cd48
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10162681
add esp, 0xc
cmp eax, edi
je 0x1015cd0a
push ebx
push ebx
push dword [esi]
call fcn.1015ada4
add esp, 0xc
cmp eax, edi
je 0x1015cd0a
test byte [ebp - 1], 0x80
je 0x1015ce28
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x1015cd80
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x1015cd7d
or dword [ebp + 0x10], edi
jmp 0x1015cd80
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x1015cdcd
cmp eax, 0x10000
je 0x1015cdb9
cmp eax, 0x14000
je 0x1015cdb9
cmp eax, 0x20000
je 0x1015cdc7
cmp eax, 0x24000
je 0x1015cdc7
cmp eax, 0x40000
je 0x1015cdb3
cmp eax, 0x44000
jne 0x1015cdd0
mov byte [ebp - 2], 1
jmp 0x1015cdd0
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x1015cdd0
mov byte [ebp - 2], 2
jmp 0x1015cdd0
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x1015ce28
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x1015ce28
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x1015cf82
cmp eax, 0x80000000
je 0x1015cf49
cmp eax, ecx
jne 0x1015ce28
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1015ce28
cmp eax, 2
jbe 0x1015d02a
cmp eax, 4
jbe 0x1015cf1b
cmp eax, 5
je 0x1015d02a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x101b28a0]
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 + 0x101b28a0]
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 0x1015ce9a
test byte [ebp + 0x10], 8
je 0x1015ce9a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x101b28a0]
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 0x1015d0a9
test byte [ebp + 0x10], 1
je 0x1015d0a9
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 0x1015d092
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.1014f47c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x101b28a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.1015bdc0
pop ecx
jmp 0x1015cc10
push 2
push ebx
push ebx
push dword [esi]
call fcn.1014fd8d
add esp, 0x10
or eax, edx
je 0x1015d02a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1014fd8d
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x1015cd0a
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1014f6cf
add esp, 0xc
cmp eax, 0xffffffff
je 0x1015cd0a
cmp eax, 2
je 0x1015cfce
cmp eax, 3
jne 0x1015d01c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x1015cfce
mov byte [ebp - 2], 1
jmp 0x1015ce28
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1015ce28
cmp eax, 2
jbe 0x1015d02a
cmp eax, 4
ja 0x1015ce1f
push 2
push ebx
push ebx
push dword [esi]
call fcn.1014fd8d
add esp, 0x10
or eax, edx
je 0x1015d02a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1014fd8d
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x1015ce28
jmp 0x1015cd0a
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x1015cff6
push dword [esi]
call fcn.1014f56e
pop ecx
call fcn.1014f456
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x1015d0ab
cmp eax, 0xfeff
jne 0x1015d01c
push ebx
push 2
push dword [esi]
call fcn.1015ada4
add esp, 0xc
cmp eax, 0xffffffff
je 0x1015cd0a
mov byte [ebp - 2], 2
jmp 0x1015ce28
push ebx
push ebx
push dword [esi]
call fcn.1015ada4
add esp, 0xc
jmp 0x1015cfc0
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x1015d04a
dec eax
jne 0x1015ce28
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x1015d058
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.10158b18
add esp, 0xc
cmp eax, 0xffffffff
je 0x1015d07e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x1015d058
jmp 0x1015ce28
push dword [esi]
call fcn.1014f56e
pop ecx
call fcn.1014f456
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x1015d0ab
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x101b28a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret