Function at 0x454b77
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 0x454ba6
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x454bb0
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00456ef1
test eax, eax
pop ecx
je 0x454bcb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043c1b0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043dc5d
test eax, eax
pop ecx
je 0x454be6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043c1b0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x454c03
test ecx, 0x74000
jne 0x454bff
cmp dword [ebp - 0x24], eax
je 0x454c03
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x454c5d
dec eax
je 0x454c47
dec eax
je 0x454c42
call fcn.00441f14
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441f01
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043c2ac
add esp, 0x14
jmp 0x455210
mov dword [ebp - 8], edx
jmp 0x454c60
test cl, 8
je 0x454c54
test ecx, 0x70000
jne 0x454c42
mov dword [ebp - 8], 0x40000000
jmp 0x454c60
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x454ca1
sub eax, ecx
je 0x454c98
sub eax, ecx
je 0x454c8f
sub eax, ecx
je 0x454c86
sub eax, 0x40
jne 0x454c1c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x454ca4
mov dword [ebp - 0x10], 3
jmp 0x454ca4
mov dword [ebp - 0x10], 2
jmp 0x454ca4
mov dword [ebp - 0x10], 1
jmp 0x454ca4
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 0x454cf7
je 0x454cee
cmp eax, ebx
je 0x454cee
cmp eax, edi
je 0x454ce5
cmp eax, 0x200
je 0x454d6a
cmp eax, 0x300
jne 0x454c1c
mov dword [ebp - 0x14], 2
jmp 0x454d14
mov dword [ebp - 0x14], 4
jmp 0x454d14
mov dword [ebp - 0x14], 3
jmp 0x454d14
cmp eax, 0x500
je 0x454d0d
cmp eax, 0x600
je 0x454d6a
cmp eax, edx
jne 0x454c1c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x454d38
mov ecx, dword [0x4a136c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x454d38
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x454d54
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x454d54
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x454d5d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x454d73
or dword [ebp - 0xc], 0x8000000
jmp 0x454d7e
mov dword [ebp - 0x14], 5
jmp 0x454d14
test al, 0x10
je 0x454d7e
or dword [ebp - 0xc], 0x10000000
call fcn.00444e5a
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x454da4
call fcn.00441f14
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441f01
mov dword [eax], 0x18
jmp 0x454e32
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
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 0x454e3e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x454e0a
test byte [ebp + 0x10], 1
je 0x454e0a
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 0x454e3e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a5720]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00441f27
pop ecx
call fcn.00441f01
mov eax, dword [eax]
jmp 0x4552cc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x454e8f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a5720]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00441f27
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x454e32
call fcn.00441f01
mov dword [eax], 0xd
jmp 0x454e32
cmp eax, 2
jne 0x454e9a
or byte [ebp - 1], 0x40
jmp 0x454ea3
cmp eax, 3
jne 0x454ea3
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00444c29
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4a5720]
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 + 0x4a5720]
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 0x454f79
test cl, 0x80
je 0x455049
test byte [ebp + 0x10], 2
je 0x454f79
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044fe64
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x454f37
call fcn.00441f14
cmp dword [eax], 0x83
je 0x454f79
push dword [esi]
call fcn.0044db24
jmp 0x454e31
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004417bc
add esp, 0xc
test eax, eax
jne 0x454f69
cmp word [ebp - 0x2c], 0x1a
jne 0x454f69
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00456c81
add esp, 0xc
cmp eax, edi
je 0x454f2b
push ebx
push ebx
push dword [esi]
call fcn.0044fe64
add esp, 0xc
cmp eax, edi
je 0x454f2b
test byte [ebp - 1], 0x80
je 0x455049
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x454fa1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x454f9e
or dword [ebp + 0x10], edi
jmp 0x454fa1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x454fee
cmp eax, 0x10000
je 0x454fda
cmp eax, 0x14000
je 0x454fda
cmp eax, 0x20000
je 0x454fe8
cmp eax, 0x24000
je 0x454fe8
cmp eax, 0x40000
je 0x454fd4
cmp eax, 0x44000
jne 0x454ff1
mov byte [ebp - 2], 1
jmp 0x454ff1
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x454ff1
mov byte [ebp - 2], 2
jmp 0x454ff1
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x455049
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x455049
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4551a3
cmp eax, 0x80000000
je 0x45516a
cmp eax, ecx
jne 0x455049
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455049
cmp eax, 2
jbe 0x45524b
cmp eax, 4
jbe 0x45513c
cmp eax, 5
je 0x45524b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5720]
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 + 0x4a5720]
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 0x4550bb
test byte [ebp + 0x10], 8
je 0x4550bb
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5720]
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 0x4552ca
test byte [ebp + 0x10], 1
je 0x4552ca
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
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 [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x4552b3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00441f27
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5720]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00444ca6
pop ecx
jmp 0x454e31
push 2
push ebx
push ebx
push dword [esi]
call fcn.004506ad
add esp, 0x10
or eax, edx
je 0x45524b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004506ad
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x454f2b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004417bc
add esp, 0xc
cmp eax, 0xffffffff
je 0x454f2b
cmp eax, 2
je 0x4551ef
cmp eax, 3
jne 0x45523d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4551ef
mov byte [ebp - 2], 1
jmp 0x455049
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455049
cmp eax, 2
jbe 0x45524b
cmp eax, 4
ja 0x455040
push 2
push ebx
push ebx
push dword [esi]
call fcn.004506ad
add esp, 0x10
or eax, edx
je 0x45524b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004506ad
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x455049
jmp 0x454f2b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x455217
push dword [esi]
call fcn.0044db24
pop ecx
call fcn.00441f01
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4552cc
cmp eax, 0xfeff
jne 0x45523d
push ebx
push 2
push dword [esi]
call fcn.0044fe64
add esp, 0xc
cmp eax, 0xffffffff
je 0x454f2b
mov byte [ebp - 2], 2
jmp 0x455049
push ebx
push ebx
push dword [esi]
call fcn.0044fe64
add esp, 0xc
jmp 0x4551e1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x45526b
dec eax
jne 0x455049
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x455279
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.0044250b
add esp, 0xc
cmp eax, 0xffffffff
je 0x45529f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x455279
jmp 0x455049
push dword [esi]
call fcn.0044db24
pop ecx
call fcn.00441f01
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4552cc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5720]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret