Function at 0x45a611
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 0x45a640
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x45a64a
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00456ef1
test eax, eax
pop ecx
je 0x45a665
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 0x45a680
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 0x45a69d
test ecx, 0x74000
jne 0x45a699
cmp dword [ebp - 0x24], eax
je 0x45a69d
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x45a6f7
dec eax
je 0x45a6e1
dec eax
je 0x45a6dc
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 0x45aca9
mov dword [ebp - 8], edx
jmp 0x45a6fa
test cl, 8
je 0x45a6ee
test ecx, 0x70000
jne 0x45a6dc
mov dword [ebp - 8], 0x40000000
jmp 0x45a6fa
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45a73b
sub eax, ecx
je 0x45a732
sub eax, ecx
je 0x45a729
sub eax, ecx
je 0x45a720
sub eax, 0x40
jne 0x45a6b6
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x45a73e
mov dword [ebp - 0x10], 3
jmp 0x45a73e
mov dword [ebp - 0x10], 2
jmp 0x45a73e
mov dword [ebp - 0x10], 1
jmp 0x45a73e
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 0x45a791
je 0x45a788
cmp eax, ebx
je 0x45a788
cmp eax, edi
je 0x45a77f
cmp eax, 0x200
je 0x45a804
cmp eax, 0x300
jne 0x45a6b6
mov dword [ebp - 0x14], 2
jmp 0x45a7ae
mov dword [ebp - 0x14], 4
jmp 0x45a7ae
mov dword [ebp - 0x14], 3
jmp 0x45a7ae
cmp eax, 0x500
je 0x45a7a7
cmp eax, 0x600
je 0x45a804
cmp eax, edx
jne 0x45a6b6
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45a7d2
mov ecx, dword [0x4a136c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45a7d2
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x45a7ee
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x45a7ee
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x45a7f7
or dword [ebp - 0xc], edi
test al, 0x20
je 0x45a80d
or dword [ebp - 0xc], 0x8000000
jmp 0x45a818
mov dword [ebp - 0x14], 5
jmp 0x45a7ae
test al, 0x10
je 0x45a818
or dword [ebp - 0xc], 0x10000000
call fcn.00444e5a
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x45a83e
call fcn.00441f14
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441f01
mov dword [eax], 0x18
jmp 0x45a8cc
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 0x45a8d8
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x45a8a4
test byte [ebp + 0x10], 1
je 0x45a8a4
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 0x45a8d8
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 0x45ad65
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x45a929
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 0x45a8cc
call fcn.00441f01
mov dword [eax], 0xd
jmp 0x45a8cc
cmp eax, 2
jne 0x45a934
or byte [ebp - 1], 0x40
jmp 0x45a93d
cmp eax, 3
jne 0x45a93d
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 0x45aa12
test cl, 0x80
je 0x45aae2
test byte [ebp + 0x10], 2
je 0x45aa12
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 0x45a9d1
call fcn.00441f14
cmp dword [eax], 0x83
je 0x45aa12
push dword [esi]
call fcn.0044db24
jmp 0x45a8cb
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004417bc
add esp, 0xc
test eax, eax
jne 0x45aa02
cmp byte [ebp - 4], 0x1a
jne 0x45aa02
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00456c81
add esp, 0xc
cmp eax, edi
je 0x45a9c5
push ebx
push ebx
push dword [esi]
call fcn.0044fe64
add esp, 0xc
cmp eax, edi
je 0x45a9c5
test byte [ebp - 1], 0x80
je 0x45aae2
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x45aa3a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45aa37
or dword [ebp + 0x10], edi
jmp 0x45aa3a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45aa87
cmp eax, 0x10000
je 0x45aa73
cmp eax, 0x14000
je 0x45aa73
cmp eax, 0x20000
je 0x45aa81
cmp eax, 0x24000
je 0x45aa81
cmp eax, 0x40000
je 0x45aa6d
cmp eax, 0x44000
jne 0x45aa8a
mov byte [ebp - 2], 1
jmp 0x45aa8a
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45aa8a
mov byte [ebp - 2], 2
jmp 0x45aa8a
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x45aae2
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x45aae2
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x45ac3c
cmp eax, 0x80000000
je 0x45ac03
cmp eax, ecx
jne 0x45aae2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45aae2
cmp eax, 2
jbe 0x45ace4
cmp eax, 4
jbe 0x45abd5
cmp eax, 5
je 0x45ace4
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 0x45ab54
test byte [ebp + 0x10], 8
je 0x45ab54
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 0x45ad63
test byte [ebp + 0x10], 1
je 0x45ad63
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 0x45ad4c
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 0x45a8cb
push 2
push ebx
push ebx
push dword [esi]
call fcn.004506ad
add esp, 0x10
or eax, edx
je 0x45ace4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004506ad
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x45a9c5
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004417bc
add esp, 0xc
cmp eax, 0xffffffff
je 0x45a9c5
cmp eax, 2
je 0x45ac88
cmp eax, 3
jne 0x45acd6
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45ac88
mov byte [ebp - 2], 1
jmp 0x45aae2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45aae2
cmp eax, 2
jbe 0x45ace4
cmp eax, 4
ja 0x45aad9
push 2
push ebx
push ebx
push dword [esi]
call fcn.004506ad
add esp, 0x10
or eax, edx
je 0x45ace4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004506ad
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x45aae2
jmp 0x45a9c5
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x45acb0
push dword [esi]
call fcn.0044db24
pop ecx
call fcn.00441f01
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45ad65
cmp eax, 0xfeff
jne 0x45acd6
push ebx
push 2
push dword [esi]
call fcn.0044fe64
add esp, 0xc
cmp eax, 0xffffffff
je 0x45a9c5
mov byte [ebp - 2], 2
jmp 0x45aae2
push ebx
push ebx
push dword [esi]
call fcn.0044fe64
add esp, 0xc
jmp 0x45ac7a
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x45ad04
dec eax
jne 0x45aae2
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x45ad12
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 0x45ad38
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x45ad12
jmp 0x45aae2
push dword [esi]
call fcn.0044db24
pop ecx
call fcn.00441f01
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45ad65
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