Function at 0x43698f
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 0x4369be
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4369c8
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00439b57
test eax, eax
pop ecx
je 0x4369e3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00423ac2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042f08e
test eax, eax
pop ecx
je 0x4369fe
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00423ac2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x436a1b
test ecx, 0x74000
jne 0x436a17
cmp dword [ebp - 0x24], eax
je 0x436a1b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x436a75
dec eax
je 0x436a5f
dec eax
je 0x436a5a
call fcn.00429545
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00429532
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00423bbe
add esp, 0x14
jmp 0x437027
mov dword [ebp - 8], edx
jmp 0x436a78
test cl, 8
je 0x436a6c
test ecx, 0x70000
jne 0x436a5a
mov dword [ebp - 8], 0x40000000
jmp 0x436a78
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x436ab9
sub eax, ecx
je 0x436ab0
sub eax, ecx
je 0x436aa7
sub eax, ecx
je 0x436a9e
sub eax, 0x40
jne 0x436a34
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x436abc
mov dword [ebp - 0x10], 3
jmp 0x436abc
mov dword [ebp - 0x10], 2
jmp 0x436abc
mov dword [ebp - 0x10], 1
jmp 0x436abc
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 0x436b0f
je 0x436b06
cmp eax, ebx
je 0x436b06
cmp eax, edi
je 0x436afd
cmp eax, 0x200
je 0x436b82
cmp eax, 0x300
jne 0x436a34
mov dword [ebp - 0x14], 2
jmp 0x436b2c
mov dword [ebp - 0x14], 4
jmp 0x436b2c
mov dword [ebp - 0x14], 3
jmp 0x436b2c
cmp eax, 0x500
je 0x436b25
cmp eax, 0x600
je 0x436b82
cmp eax, edx
jne 0x436a34
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x436b50
mov ecx, dword [0x451e78]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x436b50
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x436b6c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x436b6c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x436b75
or dword [ebp - 0xc], edi
test al, 0x20
je 0x436b8b
or dword [ebp - 0xc], 0x8000000
jmp 0x436b96
mov dword [ebp - 0x14], 5
jmp 0x436b2c
test al, 0x10
je 0x436b96
or dword [ebp - 0xc], 0x10000000
call fcn.00435c21
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x436bbc
call fcn.00429545
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00429532
mov dword [eax], 0x18
jmp 0x436c4a
mov eax, dword [ebp + 8]
mov edi, dword [fcn.004420d4]
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 0x436c56
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x436c22
test byte [ebp + 0x10], 1
je 0x436c22
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 0x436c56
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x452880]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [fcn.00442194]
push eax
call fcn.00429558
pop ecx
call fcn.00429532
mov eax, dword [eax]
jmp 0x4370e3
push dword [ebp - 0x1c]
call 0x12d0004
scasb al, byte es:[edi]
cmp eax, ebx
jne 0x436ca7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x452880]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [fcn.00442194]
mov esi, eax
push esi
call fcn.00429558
pop ecx
push dword [ebp - 0x1c]
call dword [0x442190]
cmp esi, ebx
jne 0x436c4a
call fcn.00429532
mov dword [eax], 0xd
jmp 0x436c4a
cmp eax, 2
jne 0x436cb2
or byte [ebp - 1], 0x40
jmp 0x436cbb
cmp eax, 3
jne 0x436cbb
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004359f0
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x452880]
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 + 0x452880]
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 0x436d90
test cl, 0x80
je 0x436e60
test byte [ebp + 0x10], 2
je 0x436d90
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043203d
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x436d4f
call fcn.00429545
cmp dword [eax], 0x83
je 0x436d90
push dword [esi]
call fcn.0042e0a6
jmp 0x436c49
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004387f2
add esp, 0xc
test eax, eax
jne 0x436d80
cmp byte [ebp - 4], 0x1a
jne 0x436d80
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004398e7
add esp, 0xc
cmp eax, edi
je 0x436d43
push ebx
push ebx
push dword [esi]
call fcn.0043203d
add esp, 0xc
cmp eax, edi
je 0x436d43
test byte [ebp - 1], 0x80
je 0x436e60
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x436db8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x436db5
or dword [ebp + 0x10], edi
jmp 0x436db8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x436e05
cmp eax, 0x10000
je 0x436df1
cmp eax, 0x14000
je 0x436df1
cmp eax, 0x20000
je 0x436dff
cmp eax, 0x24000
je 0x436dff
cmp eax, 0x40000
je 0x436deb
cmp eax, 0x44000
jne 0x436e08
mov byte [ebp - 2], 1
jmp 0x436e08
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x436e08
mov byte [ebp - 2], 2
jmp 0x436e08
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x436e60
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x436e60
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x436fba
cmp eax, 0x80000000
je 0x436f81
cmp eax, ecx
jne 0x436e60
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x436e60
cmp eax, 2
jbe 0x437062
cmp eax, 4
jbe 0x436f53
cmp eax, 5
je 0x437062
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452880]
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 + 0x452880]
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 0x436ed2
test byte [ebp + 0x10], 8
je 0x436ed2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452880]
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 0x4370e1
test byte [ebp + 0x10], 1
je 0x4370e1
push dword [ebp - 0x1c]
call dword [0x442190]
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 [fcn.004420d4]
cmp eax, 0xffffffff
jne 0x4370ca
call dword [fcn.00442194]
push eax
call fcn.00429558
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452880]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00435a6d
pop ecx
jmp 0x436c49
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043535e
add esp, 0x10
or eax, edx
je 0x437062
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043535e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x436d43
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004387f2
add esp, 0xc
cmp eax, 0xffffffff
je 0x436d43
cmp eax, 2
je 0x437006
cmp eax, 3
jne 0x437054
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x437006
mov byte [ebp - 2], 1
jmp 0x436e60
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x436e60
cmp eax, 2
jbe 0x437062
cmp eax, 4
ja 0x436e57
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043535e
add esp, 0x10
or eax, edx
je 0x437062
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043535e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x436e60
jmp 0x436d43
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x43702e
push dword [esi]
call fcn.0042e0a6
pop ecx
call fcn.00429532
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4370e3
cmp eax, 0xfeff
jne 0x437054
push ebx
push 2
push dword [esi]
call fcn.0043203d
add esp, 0xc
cmp eax, 0xffffffff
je 0x436d43
mov byte [ebp - 2], 2
jmp 0x436e60
push ebx
push ebx
push dword [esi]
call fcn.0043203d
add esp, 0xc
jmp 0x436ff8
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x437082
dec eax
jne 0x436e60
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x437090
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.00431b5a
add esp, 0xc
cmp eax, 0xffffffff
je 0x4370b6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x437090
jmp 0x436e60
push dword [esi]
call fcn.0042e0a6
pop ecx
call fcn.00429532
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4370e3
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x452880]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret