Function at 0x4b0312
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 0x4b0341
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4b034b
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004b41ca
test eax, eax
pop ecx
je 0x4b0366
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00489cec
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0049627c
test eax, eax
pop ecx
je 0x4b0381
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00489cec
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4b039e
test ecx, 0x74000
jne 0x4b039a
cmp dword [ebp - 0x24], eax
je 0x4b039e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x4b03f8
dec eax
je 0x4b03e2
dec eax
je 0x4b03dd
call fcn.00497a85
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00497a72
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00489e20
add esp, 0x14
jmp 0x4b09ab
mov dword [ebp - 8], edx
jmp 0x4b03fb
test cl, 8
je 0x4b03ef
test ecx, 0x70000
jne 0x4b03dd
mov dword [ebp - 8], 0x40000000
jmp 0x4b03fb
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4b043c
sub eax, ecx
je 0x4b0433
sub eax, ecx
je 0x4b042a
sub eax, ecx
je 0x4b0421
sub eax, 0x40
jne 0x4b03b7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4b043f
mov dword [ebp - 0x10], 3
jmp 0x4b043f
mov dword [ebp - 0x10], 2
jmp 0x4b043f
mov dword [ebp - 0x10], 1
jmp 0x4b043f
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 0x4b0492
je 0x4b0489
cmp eax, ebx
je 0x4b0489
cmp eax, edi
je 0x4b0480
cmp eax, 0x200
je 0x4b0505
cmp eax, 0x300
jne 0x4b03b7
mov dword [ebp - 0x14], 2
jmp 0x4b04af
mov dword [ebp - 0x14], 4
jmp 0x4b04af
mov dword [ebp - 0x14], 3
jmp 0x4b04af
cmp eax, 0x500
je 0x4b04a8
cmp eax, 0x600
je 0x4b0505
cmp eax, edx
jne 0x4b03b7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4b04d3
mov ecx, dword [0x5a0608]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4b04d3
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4b04ef
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4b04ef
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4b04f8
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4b050e
or dword [ebp - 0xc], 0x8000000
jmp 0x4b0519
mov dword [ebp - 0x14], 5
jmp 0x4b04af
test al, 0x10
je 0x4b0519
or dword [ebp - 0xc], 0x10000000
call fcn.004af838
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4b053f
call fcn.00497a85
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00497a72
mov dword [eax], 0x18
jmp 0x4b05cd
mov eax, dword [ebp + 8]
mov edi, dword [0x53f248]
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 0x4b05d9
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4b05a5
test byte [ebp + 0x10], 1
je 0x4b05a5
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 0x4b05d9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5a4fe0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x53f194]
push eax
call fcn.00497a98
pop ecx
call fcn.00497a72
mov eax, dword [eax]
jmp 0x4b0a67
push dword [ebp - 0x1c]
call dword [0x53f37c]
cmp eax, ebx
jne 0x4b062a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5a4fe0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x53f194]
mov esi, eax
push esi
call fcn.00497a98
pop ecx
push dword [ebp - 0x1c]
call dword [0x53f1b4]
cmp esi, ebx
jne 0x4b05cd
call fcn.00497a72
mov dword [eax], 0xd
jmp 0x4b05cd
cmp eax, 2
jne 0x4b0635
or byte [ebp - 1], 0x40
jmp 0x4b063e
cmp eax, 3
jne 0x4b063e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004af607
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5a4fe0]
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 + 0x5a4fe0]
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 0x4b0714
test cl, 0x80
je 0x4b07e4
test byte [ebp + 0x10], 2
je 0x4b0714
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049f22b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4b06d2
call fcn.00497a85
cmp dword [eax], 0x83
je 0x4b0714
push dword [esi]
call fcn.0049d366
jmp 0x4b05cc
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0049cc7b
add esp, 0xc
test eax, eax
jne 0x4b0704
cmp word [ebp - 0x2c], 0x1a
jne 0x4b0704
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004b3e0f
add esp, 0xc
cmp eax, edi
je 0x4b06c6
push ebx
push ebx
push dword [esi]
call fcn.0049f22b
add esp, 0xc
cmp eax, edi
je 0x4b06c6
test byte [ebp - 1], 0x80
je 0x4b07e4
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4b073c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4b0739
or dword [ebp + 0x10], edi
jmp 0x4b073c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4b0789
cmp eax, 0x10000
je 0x4b0775
cmp eax, 0x14000
je 0x4b0775
cmp eax, 0x20000
je 0x4b0783
cmp eax, 0x24000
je 0x4b0783
cmp eax, 0x40000
je 0x4b076f
cmp eax, 0x44000
jne 0x4b078c
mov byte [ebp - 2], 1
jmp 0x4b078c
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4b078c
mov byte [ebp - 2], 2
jmp 0x4b078c
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4b07e4
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4b07e4
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4b093e
cmp eax, 0x80000000
je 0x4b0905
cmp eax, ecx
jne 0x4b07e4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b07e4
cmp eax, 2
jbe 0x4b09e6
cmp eax, 4
jbe 0x4b08d7
cmp eax, 5
je 0x4b09e6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5a4fe0]
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 + 0x5a4fe0]
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 0x4b0856
test byte [ebp + 0x10], 8
je 0x4b0856
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5a4fe0]
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 0x4b0a65
test byte [ebp + 0x10], 1
je 0x4b0a65
push dword [ebp - 0x1c]
call dword [0x53f1b4]
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 [0x53f248]
cmp eax, 0xffffffff
jne 0x4b0a4e
call dword [0x53f194]
push eax
call fcn.00497a98
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5a4fe0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004af684
pop ecx
jmp 0x4b05cc
push 2
push ebx
push ebx
push dword [esi]
call fcn.004ae698
add esp, 0x10
or eax, edx
je 0x4b09e6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004ae698
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4b06c6
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049cc7b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b06c6
cmp eax, 2
je 0x4b098a
cmp eax, 3
jne 0x4b09d8
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4b098a
mov byte [ebp - 2], 1
jmp 0x4b07e4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b07e4
cmp eax, 2
jbe 0x4b09e6
cmp eax, 4
ja 0x4b07db
push 2
push ebx
push ebx
push dword [esi]
call fcn.004ae698
add esp, 0x10
or eax, edx
je 0x4b09e6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004ae698
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4b07e4
jmp 0x4b06c6
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4b09b2
push dword [esi]
call fcn.0049d366
pop ecx
call fcn.00497a72
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4b0a67
cmp eax, 0xfeff
jne 0x4b09d8
push ebx
push 2
push dword [esi]
call fcn.0049f22b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b06c6
mov byte [ebp - 2], 2
jmp 0x4b07e4
push ebx
push ebx
push dword [esi]
call fcn.0049f22b
add esp, 0xc
jmp 0x4b097c
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4b0a06
dec eax
jne 0x4b07e4
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4b0a14
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.0049f10b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b0a3a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4b0a14
jmp 0x4b07e4
push dword [esi]
call fcn.0049d366
pop ecx
call fcn.00497a72
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4b0a67
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5a4fe0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret