Function at 0x45bfd1
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 0x45c000
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x45c00a
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045e712
test eax, eax
pop ecx
je 0x45c025
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0044e28a
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0044b699
test eax, eax
pop ecx
je 0x45c040
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0044e28a
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x45c05d
test ecx, 0x74000
jne 0x45c059
cmp dword [ebp - 0x24], eax
je 0x45c05d
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x45c0b7
dec eax
je 0x45c0a1
dec eax
je 0x45c09c
call fcn.00449d31
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00449d1e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0044e386
add esp, 0x14
jmp 0x45c669
mov dword [ebp - 8], edx
jmp 0x45c0ba
test cl, 8
je 0x45c0ae
test ecx, 0x70000
jne 0x45c09c
mov dword [ebp - 8], 0x40000000
jmp 0x45c0ba
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45c0fb
sub eax, ecx
je 0x45c0f2
sub eax, ecx
je 0x45c0e9
sub eax, ecx
je 0x45c0e0
sub eax, 0x40
jne 0x45c076
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x45c0fe
mov dword [ebp - 0x10], 3
jmp 0x45c0fe
mov dword [ebp - 0x10], 2
jmp 0x45c0fe
mov dword [ebp - 0x10], 1
jmp 0x45c0fe
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 0x45c151
je 0x45c148
cmp eax, ebx
je 0x45c148
cmp eax, edi
je 0x45c13f
cmp eax, 0x200
je 0x45c1c4
cmp eax, 0x300
jne 0x45c076
mov dword [ebp - 0x14], 2
jmp 0x45c16e
mov dword [ebp - 0x14], 4
jmp 0x45c16e
mov dword [ebp - 0x14], 3
jmp 0x45c16e
cmp eax, 0x500
je 0x45c167
cmp eax, 0x600
je 0x45c1c4
cmp eax, edx
jne 0x45c076
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45c192
mov ecx, dword [0x495668]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45c192
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x45c1ae
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x45c1ae
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x45c1b7
or dword [ebp - 0xc], edi
test al, 0x20
je 0x45c1cd
or dword [ebp - 0xc], 0x8000000
jmp 0x45c1d8
mov dword [ebp - 0x14], 5
jmp 0x45c16e
test al, 0x10
je 0x45c1d8
or dword [ebp - 0xc], 0x10000000
call fcn.0045bcb2
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x45c1fe
call fcn.00449d31
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00449d1e
mov dword [eax], 0x18
jmp 0x45c28c
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 0x45c298
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x45c264
test byte [ebp + 0x10], 1
je 0x45c264
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 0x45c298
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4961c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00449d44
pop ecx
call fcn.00449d1e
mov eax, dword [eax]
jmp 0x45c725
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x45c2e9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4961c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00449d44
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x45c28c
call fcn.00449d1e
mov dword [eax], 0xd
jmp 0x45c28c
cmp eax, 2
jne 0x45c2f4
or byte [ebp - 1], 0x40
jmp 0x45c2fd
cmp eax, 3
jne 0x45c2fd
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0045ba81
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4961c0]
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 + 0x4961c0]
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 0x45c3d2
test cl, 0x80
je 0x45c4a2
test byte [ebp + 0x10], 2
je 0x45c3d2
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00455f38
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x45c391
call fcn.00449d31
cmp dword [eax], 0x83
je 0x45c3d2
push dword [esi]
call fcn.004531cd
jmp 0x45c28b
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0045587a
add esp, 0xc
test eax, eax
jne 0x45c3c2
cmp byte [ebp - 4], 0x1a
jne 0x45c3c2
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045e4a2
add esp, 0xc
cmp eax, edi
je 0x45c385
push ebx
push ebx
push dword [esi]
call fcn.00455f38
add esp, 0xc
cmp eax, edi
je 0x45c385
test byte [ebp - 1], 0x80
je 0x45c4a2
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x45c3fa
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45c3f7
or dword [ebp + 0x10], edi
jmp 0x45c3fa
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45c447
cmp eax, 0x10000
je 0x45c433
cmp eax, 0x14000
je 0x45c433
cmp eax, 0x20000
je 0x45c441
cmp eax, 0x24000
je 0x45c441
cmp eax, 0x40000
je 0x45c42d
cmp eax, 0x44000
jne 0x45c44a
mov byte [ebp - 2], 1
jmp 0x45c44a
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45c44a
mov byte [ebp - 2], 2
jmp 0x45c44a
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x45c4a2
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x45c4a2
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x45c5fc
cmp eax, 0x80000000
je 0x45c5c3
cmp eax, ecx
jne 0x45c4a2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45c4a2
cmp eax, 2
jbe 0x45c6a4
cmp eax, 4
jbe 0x45c595
cmp eax, 5
je 0x45c6a4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4961c0]
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 + 0x4961c0]
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 0x45c514
test byte [ebp + 0x10], 8
je 0x45c514
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4961c0]
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 0x45c723
test byte [ebp + 0x10], 1
je 0x45c723
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 0x45c70c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00449d44
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4961c0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045bafe
pop ecx
jmp 0x45c28b
push 2
push ebx
push ebx
push dword [esi]
call fcn.00459f08
add esp, 0x10
or eax, edx
je 0x45c6a4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00459f08
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x45c385
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0045587a
add esp, 0xc
cmp eax, 0xffffffff
je 0x45c385
cmp eax, 2
je 0x45c648
cmp eax, 3
jne 0x45c696
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45c648
mov byte [ebp - 2], 1
jmp 0x45c4a2
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45c4a2
cmp eax, 2
jbe 0x45c6a4
cmp eax, 4
ja 0x45c499
push 2
push ebx
push ebx
push dword [esi]
call fcn.00459f08
add esp, 0x10
or eax, edx
je 0x45c6a4
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00459f08
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x45c4a2
jmp 0x45c385
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x45c670
push dword [esi]
call fcn.004531cd
pop ecx
call fcn.00449d1e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45c725
cmp eax, 0xfeff
jne 0x45c696
push ebx
push 2
push dword [esi]
call fcn.00455f38
add esp, 0xc
cmp eax, 0xffffffff
je 0x45c385
mov byte [ebp - 2], 2
jmp 0x45c4a2
push ebx
push ebx
push dword [esi]
call fcn.00455f38
add esp, 0xc
jmp 0x45c63a
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x45c6c4
dec eax
jne 0x45c4a2
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x45c6d2
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.0045a66a
add esp, 0xc
cmp eax, 0xffffffff
je 0x45c6f8
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x45c6d2
jmp 0x45c4a2
push dword [esi]
call fcn.004531cd
pop ecx
call fcn.00449d1e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45c725
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4961c0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret