Function at 0x10064792
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 0x100647c1
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x100647cb
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.100681ac
test eax, eax
pop ecx
je 0x100647e6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10051313
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1005bde4
test eax, eax
pop ecx
je 0x10064801
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10051313
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1006481e
test ecx, 0x74000
jne 0x1006481a
cmp dword [ebp - 0x24], eax
je 0x1006481e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x10064878
dec eax
je 0x10064862
dec eax
je 0x1006485d
call fcn.10058357
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10058344
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1005140f
add esp, 0x14
jmp 0x10064e2a
mov dword [ebp - 8], edx
jmp 0x1006487b
test cl, 8
je 0x1006486f
test ecx, 0x70000
jne 0x1006485d
mov dword [ebp - 8], 0x40000000
jmp 0x1006487b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x100648bc
sub eax, ecx
je 0x100648b3
sub eax, ecx
je 0x100648aa
sub eax, ecx
je 0x100648a1
sub eax, 0x40
jne 0x10064837
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x100648bf
mov dword [ebp - 0x10], 3
jmp 0x100648bf
mov dword [ebp - 0x10], 2
jmp 0x100648bf
mov dword [ebp - 0x10], 1
jmp 0x100648bf
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 0x10064912
je 0x10064909
cmp eax, ebx
je 0x10064909
cmp eax, edi
je 0x10064900
cmp eax, 0x200
je 0x10064985
cmp eax, 0x300
jne 0x10064837
mov dword [ebp - 0x14], 2
jmp 0x1006492f
mov dword [ebp - 0x14], 4
jmp 0x1006492f
mov dword [ebp - 0x14], 3
jmp 0x1006492f
cmp eax, 0x500
je 0x10064928
cmp eax, 0x600
je 0x10064985
cmp eax, edx
jne 0x10064837
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10064953
mov ecx, dword [0x100a4a58]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10064953
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1006496f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1006496f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x10064978
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1006498e
or dword [ebp - 0xc], 0x8000000
jmp 0x10064999
mov dword [ebp - 0x14], 5
jmp 0x1006492f
test al, 0x10
je 0x10064999
or dword [ebp - 0xc], 0x10000000
call fcn.100652c8
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x100649bf
call fcn.10058357
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10058344
mov dword [eax], 0x18
jmp 0x10064a4d
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 0x10064a59
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10064a25
test byte [ebp + 0x10], 1
je 0x10064a25
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 0x10064a59
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100a4f80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1005836a
pop ecx
call fcn.10058344
mov eax, dword [eax]
jmp 0x10064ee6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10064aaa
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100a4f80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.1005836a
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x10064a4d
call fcn.10058344
mov dword [eax], 0xd
jmp 0x10064a4d
cmp eax, 2
jne 0x10064ab5
or byte [ebp - 1], 0x40
jmp 0x10064abe
cmp eax, 3
jne 0x10064abe
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.10065097
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x100a4f80]
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 + 0x100a4f80]
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 0x10064b93
test cl, 0x80
je 0x10064c63
test byte [ebp + 0x10], 2
je 0x10064b93
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1006807e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x10064b52
call fcn.10058357
cmp dword [eax], 0x83
je 0x10064b93
push dword [esi]
call fcn.10062720
jmp 0x10064a4c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.10066743
add esp, 0xc
test eax, eax
jne 0x10064b83
cmp byte [ebp - 4], 0x1a
jne 0x10064b83
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10067eca
add esp, 0xc
cmp eax, edi
je 0x10064b46
push ebx
push ebx
push dword [esi]
call fcn.1006807e
add esp, 0xc
cmp eax, edi
je 0x10064b46
test byte [ebp - 1], 0x80
je 0x10064c63
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10064bbb
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10064bb8
or dword [ebp + 0x10], edi
jmp 0x10064bbb
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10064c08
cmp eax, 0x10000
je 0x10064bf4
cmp eax, 0x14000
je 0x10064bf4
cmp eax, 0x20000
je 0x10064c02
cmp eax, 0x24000
je 0x10064c02
cmp eax, 0x40000
je 0x10064bee
cmp eax, 0x44000
jne 0x10064c0b
mov byte [ebp - 2], 1
jmp 0x10064c0b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10064c0b
mov byte [ebp - 2], 2
jmp 0x10064c0b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x10064c63
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x10064c63
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10064dbd
cmp eax, 0x80000000
je 0x10064d84
cmp eax, ecx
jne 0x10064c63
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10064c63
cmp eax, 2
jbe 0x10064e65
cmp eax, 4
jbe 0x10064d56
cmp eax, 5
je 0x10064e65
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a4f80]
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 + 0x100a4f80]
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 0x10064cd5
test byte [ebp + 0x10], 8
je 0x10064cd5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a4f80]
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 0x10064ee4
test byte [ebp + 0x10], 1
je 0x10064ee4
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 0x10064ecd
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1005836a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a4f80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.10065114
pop ecx
jmp 0x10064a4c
push 2
push ebx
push ebx
push dword [esi]
call fcn.10062970
add esp, 0x10
or eax, edx
je 0x10064e65
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10062970
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10064b46
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.10066743
add esp, 0xc
cmp eax, 0xffffffff
je 0x10064b46
cmp eax, 2
je 0x10064e09
cmp eax, 3
jne 0x10064e57
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10064e09
mov byte [ebp - 2], 1
jmp 0x10064c63
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10064c63
cmp eax, 2
jbe 0x10064e65
cmp eax, 4
ja 0x10064c5a
push 2
push ebx
push ebx
push dword [esi]
call fcn.10062970
add esp, 0x10
or eax, edx
je 0x10064e65
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10062970
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x10064c63
jmp 0x10064b46
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10064e31
push dword [esi]
call fcn.10062720
pop ecx
call fcn.10058344
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x10064ee6
cmp eax, 0xfeff
jne 0x10064e57
push ebx
push 2
push dword [esi]
call fcn.1006807e
add esp, 0xc
cmp eax, 0xffffffff
je 0x10064b46
mov byte [ebp - 2], 2
jmp 0x10064c63
push ebx
push ebx
push dword [esi]
call fcn.1006807e
add esp, 0xc
jmp 0x10064dfb
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x10064e85
dec eax
jne 0x10064c63
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x10064e93
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.10062536
add esp, 0xc
cmp eax, 0xffffffff
je 0x10064eb9
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x10064e93
jmp 0x10064c63
push dword [esi]
call fcn.10062720
pop ecx
call fcn.10058344
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x10064ee6
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a4f80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret