Function at 0x4554b5
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 0x4554e4
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4554ee
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004589bc
test eax, eax
pop ecx
je 0x455509
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0044bce6
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0044d02a
test eax, eax
pop ecx
je 0x455524
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0044bce6
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x455541
test ecx, 0x74000
jne 0x45553d
cmp dword [ebp - 0x24], eax
je 0x455541
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, accept
je 0x45559b
dec eax
je 0x455585
dec eax
je 0x455580
call fcn.0044be54
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044be41
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0044bde2
add esp, 0x14
jmp 0x455b4d
mov dword [ebp - 8], edx
jmp 0x45559e
test cl, 8
je 0x455592
test ecx, 0x70000
jne 0x455580
mov dword [ebp - 8], 0x40000000
jmp 0x45559e
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4555df
sub eax, ecx
je 0x4555d6
sub eax, ecx
je 0x4555cd
sub eax, ecx
je 0x4555c4
sub eax, 0x40
jne 0x45555a
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4555e2
mov dword [ebp - 0x10], 3
jmp 0x4555e2
mov dword [ebp - 0x10], 2
jmp 0x4555e2
mov dword [ebp - 0x10], 1
jmp 0x4555e2
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 0x455635
je 0x45562c
cmp eax, ebx
je 0x45562c
cmp eax, edi
je 0x455623
cmp eax, 0x200
je 0x4556a8
cmp eax, 0x300
jne 0x45555a
mov dword [ebp - 0x14], 2
jmp 0x455652
mov dword [ebp - 0x14], 4
jmp 0x455652
mov dword [ebp - 0x14], 3
jmp 0x455652
cmp eax, 0x500
je 0x45564b
cmp eax, 0x600
je 0x4556a8
cmp eax, edx
jne 0x45555a
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x455676
mov ecx, dword [0x467dfc]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x455676
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x455692
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x455692
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x45569b
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4556b1
or dword [ebp - 0xc], 0x8000000
jmp 0x4556bc
mov dword [ebp - 0x14], 5
jmp 0x455652
test al, 0x10
je 0x4556bc
or dword [ebp - 0xc], 0x10000000
call fcn.0045460b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4556e2
call fcn.0044be54
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044be41
mov dword [eax], 0x18
jmp 0x455770
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 0x45577c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x455748
test byte [ebp + 0x10], 1
je 0x455748
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 0x45577c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x46bc20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0044be67
pop ecx
call fcn.0044be41
mov eax, dword [eax]
jmp 0x455c09
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4557cd
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x46bc20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0044be67
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x455770
call fcn.0044be41
mov dword [eax], 0xd
jmp 0x455770
cmp eax, 2
jne 0x4557d8
or byte [ebp - 1], 0x40
jmp 0x4557e1
cmp eax, 3
jne 0x4557e1
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004543da
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x46bc20]
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 + 0x46bc20]
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 0x4558b6
test cl, 0x80
je 0x455986
test byte [ebp + 0x10], 2
je 0x4558b6
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044d9c7
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x455875
call fcn.0044be54
cmp dword [eax], 0x83
je 0x4558b6
push dword [esi]
call fcn.0044de34
jmp 0x45576f
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0044b576
add esp, 0xc
test eax, eax
jne 0x4558a6
cmp byte [ebp - 4], 0x1a
jne 0x4558a6
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045874c
add esp, 0xc
cmp eax, edi
je 0x455869
push ebx
push ebx
push dword [esi]
call fcn.0044d9c7
add esp, 0xc
cmp eax, edi
je 0x455869
test byte [ebp - 1], 0x80
je 0x455986
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4558de
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4558db
or dword [ebp + 0x10], edi
jmp 0x4558de
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45592b
cmp eax, 0x10000
je 0x455917
cmp eax, 0x14000
je 0x455917
cmp eax, 0x20000
je 0x455925
cmp eax, 0x24000
je 0x455925
cmp eax, 0x40000
je 0x455911
cmp eax, 0x44000
jne 0x45592e
mov byte [ebp - 2], 1
jmp 0x45592e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45592e
mov byte [ebp - 2], 2
jmp 0x45592e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x455986
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x455986
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x455ae0
cmp eax, 0x80000000
je 0x455aa7
cmp eax, ecx
jne 0x455986
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455986
cmp eax, 2
jbe 0x455b88
cmp eax, 4
jbe 0x455a79
cmp eax, 5
je 0x455b88
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46bc20]
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 + 0x46bc20]
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 0x4559f8
test byte [ebp + 0x10], 8
je 0x4559f8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46bc20]
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 0x455c07
test byte [ebp + 0x10], 1
je 0x455c07
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 0x455bf0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0044be67
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46bc20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00454457
pop ecx
jmp 0x45576f
push 2
push ebx
push ebx
push dword [esi]
call fcn.0045411b
add esp, 0x10
or eax, edx
je 0x455b88
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0045411b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x455869
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0044b576
add esp, 0xc
cmp eax, 0xffffffff
je 0x455869
cmp eax, 2
je 0x455b2c
cmp eax, 3
jne 0x455b7a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x455b2c
mov byte [ebp - 2], 1
jmp 0x455986
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455986
cmp eax, 2
jbe 0x455b88
cmp eax, 4
ja 0x45597d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0045411b
add esp, 0x10
or eax, edx
je 0x455b88
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0045411b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x455986
jmp 0x455869
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x455b54
push dword [esi]
call fcn.0044de34
pop ecx
call fcn.0044be41
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x455c09
cmp eax, 0xfeff
jne 0x455b7a
push ebx
push 2
push dword [esi]
call fcn.0044d9c7
add esp, 0xc
cmp eax, 0xffffffff
je 0x455869
mov byte [ebp - 2], 2
jmp 0x455986
push ebx
push ebx
push dword [esi]
call fcn.0044d9c7
add esp, 0xc
jmp 0x455b1e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x455ba8
dec eax
jne 0x455986
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x455bb6
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.004567a5
add esp, 0xc
cmp eax, 0xffffffff
je 0x455bdc
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x455bb6
jmp 0x455986
push dword [esi]
call fcn.0044de34
pop ecx
call fcn.0044be41
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x455c09
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x46bc20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret