Function at 0x4549d7
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 0x454a06
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x454a10
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00456d51
test eax, eax
pop ecx
je 0x454a2b
push ebx
push ebx
push ebx
push ebx
push ebx
call int.0043c0ae
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043c6fc
test eax, eax
pop ecx
je 0x454a46
push ebx
push ebx
push ebx
push ebx
push ebx
call int.0043c0ae
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x454a63
test ecx, 0x74000
jne 0x454a5f
cmp dword [ebp - 0x24], eax
je 0x454a63
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x454abd
dec eax
je 0x454aa7
dec eax
je 0x454aa2
call fcn.00441d74
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441d61
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043c1aa
add esp, 0x14
jmp 0x455070
mov dword [ebp - 8], edx
jmp 0x454ac0
test cl, 8
je 0x454ab4
test ecx, 0x70000
jne 0x454aa2
mov dword [ebp - 8], 0x40000000
jmp 0x454ac0
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x454b01
sub eax, ecx
je 0x454af8
sub eax, ecx
je 0x454aef
sub eax, ecx
je 0x454ae6
sub eax, 0x40
jne 0x454a7c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x454b04
mov dword [ebp - 0x10], 3
jmp 0x454b04
mov dword [ebp - 0x10], 2
jmp 0x454b04
mov dword [ebp - 0x10], 1
jmp 0x454b04
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 0x454b57
je 0x454b4e
cmp eax, ebx
je 0x454b4e
cmp eax, edi
je 0x454b45
cmp eax, 0x200
je 0x454bca
cmp eax, 0x300
jne 0x454a7c
mov dword [ebp - 0x14], 2
jmp 0x454b74
mov dword [ebp - 0x14], 4
jmp 0x454b74
mov dword [ebp - 0x14], 3
jmp 0x454b74
cmp eax, 0x500
je 0x454b6d
cmp eax, 0x600
je 0x454bca
cmp eax, edx
jne 0x454a7c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x454b98
mov ecx, dword [0x4a13a8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x454b98
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x454bb4
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x454bb4
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x454bbd
or dword [ebp - 0xc], edi
test al, 0x20
je 0x454bd3
or dword [ebp - 0xc], 0x8000000
jmp 0x454bde
mov dword [ebp - 0x14], 5
jmp 0x454b74
test al, 0x10
je 0x454bde
or dword [ebp - 0xc], 0x10000000
call fcn.00444880
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x454c04
call fcn.00441d74
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441d61
mov dword [eax], 0x18
jmp 0x454c92
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 0x454c9e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x454c6a
test byte [ebp + 0x10], 1
je 0x454c6a
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 0x454c9e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a5760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00441d87
pop ecx
call fcn.00441d61
mov eax, dword [eax]
jmp 0x45512c
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x454cef
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a5760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00441d87
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x454c92
call fcn.00441d61
mov dword [eax], 0xd
jmp 0x454c92
cmp eax, 2
jne 0x454cfa
or byte [ebp - 1], 0x40
jmp 0x454d03
cmp eax, 3
jne 0x454d03
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0044464f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4a5760]
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 + 0x4a5760]
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 0x454dd9
test cl, 0x80
je 0x454ea9
test byte [ebp + 0x10], 2
je 0x454dd9
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044f99e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x454d97
call fcn.00441d74
cmp dword [eax], 0x83
je 0x454dd9
push dword [esi]
call fcn.0044ebeb
jmp 0x454c91
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00441613
add esp, 0xc
test eax, eax
jne 0x454dc9
cmp word [ebp - 0x2c], 0x1a
jne 0x454dc9
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00456ae1
add esp, 0xc
cmp eax, edi
je 0x454d8b
push ebx
push ebx
push dword [esi]
call fcn.0044f99e
add esp, 0xc
cmp eax, edi
je 0x454d8b
test byte [ebp - 1], 0x80
je 0x454ea9
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x454e01
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x454dfe
or dword [ebp + 0x10], edi
jmp 0x454e01
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x454e4e
cmp eax, 0x10000
je 0x454e3a
cmp eax, 0x14000
je 0x454e3a
cmp eax, 0x20000
je 0x454e48
cmp eax, 0x24000
je 0x454e48
cmp eax, 0x40000
je 0x454e34
cmp eax, 0x44000
jne 0x454e51
mov byte [ebp - 2], 1
jmp 0x454e51
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x454e51
mov byte [ebp - 2], 2
jmp 0x454e51
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x454ea9
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x454ea9
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x455003
cmp eax, 0x80000000
je 0x454fca
cmp eax, ecx
jne 0x454ea9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x454ea9
cmp eax, 2
jbe 0x4550ab
cmp eax, 4
jbe 0x454f9c
cmp eax, 5
je 0x4550ab
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
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 + 0x4a5760]
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 0x454f1b
test byte [ebp + 0x10], 8
je 0x454f1b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
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 0x45512a
test byte [ebp + 0x10], 1
je 0x45512a
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 0x455113
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00441d87
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004446cc
pop ecx
jmp 0x454c91
push 2
push ebx
push ebx
push dword [esi]
call fcn.0045050d
add esp, 0x10
or eax, edx
je 0x4550ab
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0045050d
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x454d8b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00441613
add esp, 0xc
cmp eax, 0xffffffff
je 0x454d8b
cmp eax, 2
je 0x45504f
cmp eax, 3
jne 0x45509d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45504f
mov byte [ebp - 2], 1
jmp 0x454ea9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x454ea9
cmp eax, 2
jbe 0x4550ab
cmp eax, 4
ja 0x454ea0
push 2
push ebx
push ebx
push dword [esi]
call fcn.0045050d
add esp, 0x10
or eax, edx
je 0x4550ab
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0045050d
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x454ea9
jmp 0x454d8b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x455077
push dword [esi]
call fcn.0044ebeb
pop ecx
call fcn.00441d61
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45512c
cmp eax, 0xfeff
jne 0x45509d
push ebx
push 2
push dword [esi]
call fcn.0044f99e
add esp, 0xc
cmp eax, 0xffffffff
je 0x454d8b
mov byte [ebp - 2], 2
jmp 0x454ea9
push ebx
push ebx
push dword [esi]
call fcn.0044f99e
add esp, 0xc
jmp 0x455041
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4550cb
dec eax
jne 0x454ea9
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4550d9
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.0044236b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4550ff
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4550d9
jmp 0x454ea9
push dword [esi]
call fcn.0044ebeb
pop ecx
call fcn.00441d61
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45512c
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret