Function at 0x40fe53
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 0x40fe82
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x40fe8c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004125d9
test eax, eax
pop ecx
je 0x40fea7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00406499
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004096f0
test eax, eax
pop ecx
je 0x40fec2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00406499
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x40fedf
test ecx, 0x74000
jne 0x40fedb
cmp dword [ebp - 0x24], eax
je 0x40fedf
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x40ff39
dec eax
je 0x40ff23
dec eax
je 0x40ff1e
call fcn.00408a33
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00408a20
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00406595
add esp, 0x14
jmp 0x4104eb
mov dword [ebp - 8], edx
jmp 0x40ff3c
test cl, 8
je 0x40ff30
test ecx, 0x70000
jne 0x40ff1e
mov dword [ebp - 8], 0x40000000
jmp 0x40ff3c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x40ff7d
sub eax, ecx
je 0x40ff74
sub eax, ecx
je 0x40ff6b
sub eax, ecx
je 0x40ff62
sub eax, 0x40
jne 0x40fef8
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x40ff80
mov dword [ebp - 0x10], 3
jmp 0x40ff80
mov dword [ebp - 0x10], 2
jmp 0x40ff80
mov dword [ebp - 0x10], 1
jmp 0x40ff80
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 0x40ffd3
je 0x40ffca
cmp eax, ebx
je 0x40ffca
cmp eax, edi
je 0x40ffc1
cmp eax, 0x200
je 0x410046
cmp eax, 0x300
jne 0x40fef8
mov dword [ebp - 0x14], 2
jmp 0x40fff0
mov dword [ebp - 0x14], 4
jmp 0x40fff0
mov dword [ebp - 0x14], 3
jmp 0x40fff0
cmp eax, 0x500
je 0x40ffe9
cmp eax, 0x600
je 0x410046
cmp eax, edx
jne 0x40fef8
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x410014
mov ecx, dword [0x436844]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x410014
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x410030
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x410030
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x410039
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41004f
or dword [ebp - 0xc], 0x8000000
jmp 0x41005a
mov dword [ebp - 0x14], 5
jmp 0x40fff0
test al, 0x10
je 0x41005a
or dword [ebp - 0xc], 0x10000000
call fcn.00410dac
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x410080
call fcn.00408a33
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00408a20
mov dword [eax], 0x18
jmp 0x41010e
mov eax, dword [ebp + 8]
mov edi, dword [0x430054]
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 0x41011a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4100e6
test byte [ebp + 0x10], 1
je 0x4100e6
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 0x41011a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x437660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x430088]
push eax
call fcn.00408a46
pop ecx
call fcn.00408a20
mov eax, dword [eax]
jmp 0x4105a7
push dword [ebp - 0x1c]
call dword [0x430140]
cmp eax, ebx
jne 0x41016b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x437660]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x430088]
mov esi, eax
push esi
call fcn.00408a46
pop ecx
push dword [ebp - 0x1c]
call dword [0x430048]
cmp esi, ebx
jne 0x41010e
call fcn.00408a20
mov dword [eax], 0xd
jmp 0x41010e
cmp eax, 2
jne 0x410176
or byte [ebp - 1], 0x40
jmp 0x41017f
cmp eax, 3
jne 0x41017f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00410b7b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x437660]
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 + 0x437660]
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 0x410254
test cl, 0x80
je 0x410324
test byte [ebp + 0x10], 2
je 0x410254
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0040bf1f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x410213
call fcn.00408a33
cmp dword [eax], 0x83
je 0x410254
push dword [esi]
call fcn.0040c06d
jmp 0x41010d
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0040b04f
add esp, 0xc
test eax, eax
jne 0x410244
cmp byte [ebp - 4], 0x1a
jne 0x410244
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00412369
add esp, 0xc
cmp eax, edi
je 0x410207
push ebx
push ebx
push dword [esi]
call fcn.0040bf1f
add esp, 0xc
cmp eax, edi
je 0x410207
test byte [ebp - 1], 0x80
je 0x410324
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41027c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x410279
or dword [ebp + 0x10], edi
jmp 0x41027c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4102c9
cmp eax, 0x10000
je 0x4102b5
cmp eax, 0x14000
je 0x4102b5
cmp eax, 0x20000
je 0x4102c3
cmp eax, 0x24000
je 0x4102c3
cmp eax, 0x40000
je 0x4102af
cmp eax, 0x44000
jne 0x4102cc
mov byte [ebp - 2], 1
jmp 0x4102cc
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4102cc
mov byte [ebp - 2], 2
jmp 0x4102cc
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x410324
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x410324
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41047e
cmp eax, 0x80000000
je 0x410445
cmp eax, ecx
jne 0x410324
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x410324
cmp eax, 2
jbe 0x410526
cmp eax, 4
jbe 0x410417
cmp eax, 5
je 0x410526
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x437660]
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 + 0x437660]
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 0x410396
test byte [ebp + 0x10], 8
je 0x410396
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x437660]
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 0x4105a5
test byte [ebp + 0x10], 1
je 0x4105a5
push dword [ebp - 0x1c]
call dword [0x430048]
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 [0x430054]
cmp eax, 0xffffffff
jne 0x41058e
call dword [0x430088]
push eax
call fcn.00408a46
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x437660]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00410bf8
pop ecx
jmp 0x41010d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040e55e
add esp, 0x10
or eax, edx
je 0x410526
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040e55e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x410207
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0040b04f
add esp, 0xc
cmp eax, 0xffffffff
je 0x410207
cmp eax, 2
je 0x4104ca
cmp eax, 3
jne 0x410518
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4104ca
mov byte [ebp - 2], 1
jmp 0x410324
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x410324
cmp eax, 2
jbe 0x410526
cmp eax, 4
ja 0x41031b
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040e55e
add esp, 0x10
or eax, edx
je 0x410526
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040e55e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x410324
jmp 0x410207
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4104f2
push dword [esi]
call fcn.0040c06d
pop ecx
call fcn.00408a20
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4105a7
cmp eax, 0xfeff
jne 0x410518
push ebx
push 2
push dword [esi]
call fcn.0040bf1f
add esp, 0xc
cmp eax, 0xffffffff
je 0x410207
mov byte [ebp - 2], 2
jmp 0x410324
push ebx
push ebx
push dword [esi]
call fcn.0040bf1f
add esp, 0xc
jmp 0x4104bc
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x410546
dec eax
jne 0x410324
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x410554
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.0040bc03
add esp, 0xc
cmp eax, 0xffffffff
je 0x41057a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x410554
jmp 0x410324
push dword [esi]
call fcn.0040c06d
pop ecx
call fcn.00408a20
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4105a7
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x437660]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret