Function at 0x45a621
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 0x45a650
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x45a65a
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00456f01
test eax, eax
pop ecx
je 0x45a675
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043c1d0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043c7d8
test eax, eax
pop ecx
je 0x45a690
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043c1d0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x45a6ad
test ecx, 0x74000
jne 0x45a6a9
cmp dword [ebp - 0x24], eax
je 0x45a6ad
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x45a707
dec eax
je 0x45a6f1
dec eax
je 0x45a6ec
call fcn.00441f54
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441f41
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043c2cc
add esp, 0x14
jmp 0x45acb9
mov dword [ebp - 8], edx
jmp 0x45a70a
test cl, 8
je 0x45a6fe
test ecx, 0x70000
jne 0x45a6ec
mov dword [ebp - 8], 0x40000000
jmp 0x45a70a
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45a74b
sub eax, ecx
je 0x45a742
sub eax, ecx
je 0x45a739
sub eax, ecx
je 0x45a730
sub eax, 0x40
jne 0x45a6c6
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x45a74e
mov dword [ebp - 0x10], 3
jmp 0x45a74e
mov dword [ebp - 0x10], 2
jmp 0x45a74e
mov dword [ebp - 0x10], 1
jmp 0x45a74e
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 0x45a7a1
je 0x45a798
cmp eax, ebx
je 0x45a798
cmp eax, edi
je 0x45a78f
cmp eax, 0x200
je 0x45a814
cmp eax, 0x300
jne 0x45a6c6
mov dword [ebp - 0x14], 2
jmp 0x45a7be
mov dword [ebp - 0x14], 4
jmp 0x45a7be
mov dword [ebp - 0x14], 3
jmp 0x45a7be
cmp eax, 0x500
je 0x45a7b7
cmp eax, 0x600
je 0x45a814
cmp eax, edx
jne 0x45a6c6
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45a7e2
mov ecx, dword [0x49f3a0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45a7e2
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x45a7fe
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x45a7fe
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x45a807
or dword [ebp - 0xc], edi
test al, 0x20
je 0x45a81d
or dword [ebp - 0xc], 0x8000000
jmp 0x45a828
mov dword [ebp - 0x14], 5
jmp 0x45a7be
test al, 0x10
je 0x45a828
or dword [ebp - 0xc], 0x10000000
call fcn.00444a30
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x45a84e
call fcn.00441f54
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00441f41
mov dword [eax], 0x18
jmp 0x45a8dc
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 0x45a8e8
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x45a8b4
test byte [ebp + 0x10], 1
je 0x45a8b4
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 0x45a8e8
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a3760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00441f67
pop ecx
call fcn.00441f41
mov eax, dword [eax]
jmp 0x45ad75
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x45a939
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a3760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00441f67
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x45a8dc
call fcn.00441f41
mov dword [eax], 0xd
jmp 0x45a8dc
cmp eax, 2
jne 0x45a944
or byte [ebp - 1], 0x40
jmp 0x45a94d
cmp eax, 3
jne 0x45a94d
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004447ff
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4a3760]
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 + 0x4a3760]
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 0x45aa22
test cl, 0x80
je 0x45aaf2
test byte [ebp + 0x10], 2
je 0x45aa22
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044ff60
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x45a9e1
call fcn.00441f54
cmp dword [eax], 0x83
je 0x45aa22
push dword [esi]
call fcn.0044ed9b
jmp 0x45a8db
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00441800
add esp, 0xc
test eax, eax
jne 0x45aa12
cmp byte [ebp - 4], 0x1a
jne 0x45aa12
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00456c91
add esp, 0xc
cmp eax, edi
je 0x45a9d5
push ebx
push ebx
push dword [esi]
call fcn.0044ff60
add esp, 0xc
cmp eax, edi
je 0x45a9d5
test byte [ebp - 1], 0x80
je 0x45aaf2
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x45aa4a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45aa47
or dword [ebp + 0x10], edi
jmp 0x45aa4a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45aa97
cmp eax, 0x10000
je 0x45aa83
cmp eax, 0x14000
je 0x45aa83
cmp eax, 0x20000
je 0x45aa91
cmp eax, 0x24000
je 0x45aa91
cmp eax, 0x40000
je 0x45aa7d
cmp eax, 0x44000
jne 0x45aa9a
mov byte [ebp - 2], 1
jmp 0x45aa9a
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45aa9a
mov byte [ebp - 2], 2
jmp 0x45aa9a
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x45aaf2
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x45aaf2
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x45ac4c
cmp eax, 0x80000000
je 0x45ac13
cmp eax, ecx
jne 0x45aaf2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45aaf2
cmp eax, 2
jbe 0x45acf4
cmp eax, 4
jbe 0x45abe5
cmp eax, 5
je 0x45acf4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a3760]
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 + 0x4a3760]
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 0x45ab64
test byte [ebp + 0x10], 8
je 0x45ab64
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a3760]
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 0x45ad73
test byte [ebp + 0x10], 1
je 0x45ad73
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 0x45ad5c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00441f67
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a3760]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0044487c
pop ecx
jmp 0x45a8db
push 2
push ebx
push ebx
push dword [esi]
call fcn.00450b6e
add esp, 0x10
or eax, edx
je 0x45acf4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00450b6e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x45a9d5
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00441800
add esp, 0xc
cmp eax, 0xffffffff
je 0x45a9d5
cmp eax, 2
je 0x45ac98
cmp eax, 3
jne 0x45ace6
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45ac98
mov byte [ebp - 2], 1
jmp 0x45aaf2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45aaf2
cmp eax, 2
jbe 0x45acf4
cmp eax, 4
ja 0x45aae9
push 2
push ebx
push ebx
push dword [esi]
call fcn.00450b6e
add esp, 0x10
or eax, edx
je 0x45acf4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00450b6e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x45aaf2
jmp 0x45a9d5
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x45acc0
push dword [esi]
call fcn.0044ed9b
pop ecx
call fcn.00441f41
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45ad75
cmp eax, 0xfeff
jne 0x45ace6
push ebx
push 2
push dword [esi]
call fcn.0044ff60
add esp, 0xc
cmp eax, 0xffffffff
je 0x45a9d5
mov byte [ebp - 2], 2
jmp 0x45aaf2
push ebx
push ebx
push dword [esi]
call fcn.0044ff60
add esp, 0xc
jmp 0x45ac8a
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x45ad14
dec eax
jne 0x45aaf2
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x45ad22
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.0044254b
add esp, 0xc
cmp eax, 0xffffffff
je 0x45ad48
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x45ad22
jmp 0x45aaf2
push dword [esi]
call fcn.0044ed9b
pop ecx
call fcn.00441f41
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45ad75
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a3760]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret