Function at 0x102df28
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 0x102df57
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x102df61
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.010316e3
test eax, eax
pop ecx
je 0x102df7c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0101b15b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0101fe8c
test eax, eax
pop ecx
je 0x102df97
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0101b15b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x102dfb4
test ecx, 0x74000
jne 0x102dfb0
cmp dword [ebp - 0x24], eax
je 0x102dfb4
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x102e00e
dec eax
je 0x102dff8
dec eax
je 0x102dff3
call fcn.0101d2b0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0101d29d
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0101b257
add esp, 0x14
jmp 0x102e5c1
mov dword [ebp - 8], edx
jmp 0x102e011
test cl, 8
je 0x102e005
test ecx, 0x70000
jne 0x102dff3
mov dword [ebp - 8], 0x40000000
jmp 0x102e011
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x102e052
sub eax, ecx
je 0x102e049
sub eax, ecx
je 0x102e040
sub eax, ecx
je 0x102e037
sub eax, 0x40
jne 0x102dfcd
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x102e055
mov dword [ebp - 0x10], 3
jmp 0x102e055
mov dword [ebp - 0x10], 2
jmp 0x102e055
mov dword [ebp - 0x10], 1
jmp 0x102e055
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 0x102e0a8
je 0x102e09f
cmp eax, ebx
je 0x102e09f
cmp eax, edi
je 0x102e096
cmp eax, 0x200
je 0x102e11b
cmp eax, 0x300
jne 0x102dfcd
mov dword [ebp - 0x14], 2
jmp 0x102e0c5
mov dword [ebp - 0x14], 4
jmp 0x102e0c5
mov dword [ebp - 0x14], 3
jmp 0x102e0c5
cmp eax, 0x500
je 0x102e0be
cmp eax, 0x600
je 0x102e11b
cmp eax, edx
jne 0x102dfcd
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x102e0e9
mov ecx, dword [0x104a2e4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x102e0e9
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x102e105
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x102e105
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x102e10e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x102e124
or dword [ebp - 0xc], 0x8000000
jmp 0x102e12f
mov dword [ebp - 0x14], 5
jmp 0x102e0c5
test al, 0x10
je 0x102e12f
or dword [ebp - 0xc], 0x10000000
call fcn.0102d385
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x102e155
call fcn.0101d2b0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0101d29d
mov dword [eax], 0x18
jmp 0x102e1e3
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 0x102e1ef
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x102e1bb
test byte [ebp + 0x10], 1
je 0x102e1bb
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 0x102e1ef
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x104b620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0101d2c3
pop ecx
call fcn.0101d29d
mov eax, dword [eax]
jmp 0x102e67d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x102e240
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x104b620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0101d2c3
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x102e1e3
call fcn.0101d29d
mov dword [eax], 0xd
jmp 0x102e1e3
cmp eax, 2
jne 0x102e24b
or byte [ebp - 1], 0x40
jmp 0x102e254
cmp eax, 3
jne 0x102e254
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0102d154
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x104b620]
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 + 0x104b620]
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 0x102e32a
test cl, 0x80
je 0x102e3fa
test byte [ebp + 0x10], 2
je 0x102e32a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0102442e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x102e2e8
call fcn.0101d2b0
cmp dword [eax], 0x83
je 0x102e32a
push dword [esi]
call fcn.01023f90
jmp 0x102e1e2
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.01025e73
add esp, 0xc
test eax, eax
jne 0x102e31a
cmp word [ebp - 0x2c], 0x1a
jne 0x102e31a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.01031473
add esp, 0xc
cmp eax, edi
je 0x102e2dc
push ebx
push ebx
push dword [esi]
call fcn.0102442e
add esp, 0xc
cmp eax, edi
je 0x102e2dc
test byte [ebp - 1], 0x80
je 0x102e3fa
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x102e352
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x102e34f
or dword [ebp + 0x10], edi
jmp 0x102e352
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x102e39f
cmp eax, 0x10000
je 0x102e38b
cmp eax, 0x14000
je 0x102e38b
cmp eax, 0x20000
je 0x102e399
cmp eax, 0x24000
je 0x102e399
cmp eax, 0x40000
je 0x102e385
cmp eax, 0x44000
jne 0x102e3a2
mov byte [ebp - 2], 1
jmp 0x102e3a2
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x102e3a2
mov byte [ebp - 2], 2
jmp 0x102e3a2
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x102e3fa
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x102e3fa
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x102e554
cmp eax, 0x80000000
je 0x102e51b
cmp eax, ecx
jne 0x102e3fa
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x102e3fa
cmp eax, 2
jbe 0x102e5fc
cmp eax, 4
jbe 0x102e4ed
cmp eax, 5
je 0x102e5fc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x104b620]
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 + 0x104b620]
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 0x102e46c
test byte [ebp + 0x10], 8
je 0x102e46c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x104b620]
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 0x102e67b
test byte [ebp + 0x10], 1
je 0x102e67b
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 0x102e664
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0101d2c3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x104b620]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0102d1d1
pop ecx
jmp 0x102e1e2
push 2
push ebx
push ebx
push dword [esi]
call fcn.0102cc9b
add esp, 0x10
or eax, edx
je 0x102e5fc
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0102cc9b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x102e2dc
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.01025e73
add esp, 0xc
cmp eax, 0xffffffff
je 0x102e2dc
cmp eax, 2
je 0x102e5a0
cmp eax, 3
jne 0x102e5ee
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x102e5a0
mov byte [ebp - 2], 1
jmp 0x102e3fa
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x102e3fa
cmp eax, 2
jbe 0x102e5fc
cmp eax, 4
ja 0x102e3f1
push 2
push ebx
push ebx
push dword [esi]
call fcn.0102cc9b
add esp, 0x10
or eax, edx
je 0x102e5fc
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0102cc9b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x102e3fa
jmp 0x102e2dc
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x102e5c8
push dword [esi]
call fcn.01023f90
pop ecx
call fcn.0101d29d
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x102e67d
cmp eax, 0xfeff
jne 0x102e5ee
push ebx
push 2
push dword [esi]
call fcn.0102442e
add esp, 0xc
cmp eax, 0xffffffff
je 0x102e2dc
mov byte [ebp - 2], 2
jmp 0x102e3fa
push ebx
push ebx
push dword [esi]
call fcn.0102442e
add esp, 0xc
jmp 0x102e592
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x102e61c
dec eax
jne 0x102e3fa
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x102e62a
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.010238a2
add esp, 0xc
cmp eax, 0xffffffff
je 0x102e650
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x102e62a
jmp 0x102e3fa
push dword [esi]
call fcn.01023f90
pop ecx
call fcn.0101d29d
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x102e67d
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x104b620]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret