Function at 0x4559a0
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 0x4559cf
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4559d9
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045b0e5
test eax, eax
pop ecx
je 0x4559f4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043dee2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00445e0c
test eax, eax
pop ecx
je 0x455a0f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043dee2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x455a2c
test ecx, 0x74000
jne 0x455a28
cmp dword [ebp - 0x24], eax
je 0x455a2c
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x455a86
dec eax
je 0x455a70
dec eax
je 0x455a6b
call fcn.0043cdeb
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043cdd8
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043dfde
add esp, 0x14
jmp 0x456038
mov dword [ebp - 8], edx
jmp 0x455a89
test cl, 8
je 0x455a7d
test ecx, 0x70000
jne 0x455a6b
mov dword [ebp - 8], 0x40000000
jmp 0x455a89
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x455aca
sub eax, ecx
je 0x455ac1
sub eax, ecx
je 0x455ab8
sub eax, ecx
je 0x455aaf
sub eax, 0x40
jne 0x455a45
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x455acd
mov dword [ebp - 0x10], 3
jmp 0x455acd
mov dword [ebp - 0x10], 2
jmp 0x455acd
mov dword [ebp - 0x10], 1
jmp 0x455acd
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 0x455b20
je 0x455b17
cmp eax, ebx
je 0x455b17
cmp eax, edi
je 0x455b0e
cmp eax, 0x200
je 0x455b93
cmp eax, 0x300
jne 0x455a45
mov dword [ebp - 0x14], 2
jmp 0x455b3d
mov dword [ebp - 0x14], 4
jmp 0x455b3d
mov dword [ebp - 0x14], 3
jmp 0x455b3d
cmp eax, 0x500
je 0x455b36
cmp eax, 0x600
je 0x455b93
cmp eax, edx
jne 0x455a45
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x455b61
mov ecx, dword [0x510bbc]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x455b61
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x455b7d
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x455b7d
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x455b86
or dword [ebp - 0xc], edi
test al, 0x20
je 0x455b9c
or dword [ebp - 0xc], 0x8000000
jmp 0x455ba7
mov dword [ebp - 0x14], 5
jmp 0x455b3d
test al, 0x10
je 0x455ba7
or dword [ebp - 0xc], 0x10000000
call fcn.004569b0
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x455bcd
call fcn.0043cdeb
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043cdd8
mov dword [eax], 0x18
jmp 0x455c5b
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 0x455c67
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x455c33
test byte [ebp + 0x10], 1
je 0x455c33
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 0x455c67
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5121a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043cdfe
pop ecx
call fcn.0043cdd8
mov eax, dword [eax]
jmp 0x4560f4
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x455cb8
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5121a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0043cdfe
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x455c5b
call fcn.0043cdd8
mov dword [eax], 0xd
jmp 0x455c5b
cmp eax, 2
jne 0x455cc3
or byte [ebp - 1], 0x40
jmp 0x455ccc
cmp eax, 3
jne 0x455ccc
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0045677f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5121a0]
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 + 0x5121a0]
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 0x455da1
test cl, 0x80
je 0x455e71
test byte [ebp + 0x10], 2
je 0x455da1
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044932b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x455d60
call fcn.0043cdeb
cmp dword [eax], 0x83
je 0x455da1
push dword [esi]
call fcn.00447d77
jmp 0x455c5a
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0044822b
add esp, 0xc
test eax, eax
jne 0x455d91
cmp byte [ebp - 4], 0x1a
jne 0x455d91
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045ae75
add esp, 0xc
cmp eax, edi
je 0x455d54
push ebx
push ebx
push dword [esi]
call fcn.0044932b
add esp, 0xc
cmp eax, edi
je 0x455d54
test byte [ebp - 1], 0x80
je 0x455e71
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x455dc9
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x455dc6
or dword [ebp + 0x10], edi
jmp 0x455dc9
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x455e16
cmp eax, 0x10000
je 0x455e02
cmp eax, 0x14000
je 0x455e02
cmp eax, 0x20000
je 0x455e10
cmp eax, 0x24000
je 0x455e10
cmp eax, 0x40000
je 0x455dfc
cmp eax, 0x44000
jne 0x455e19
mov byte [ebp - 2], 1
jmp 0x455e19
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x455e19
mov byte [ebp - 2], 2
jmp 0x455e19
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x455e71
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x455e71
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x455fcb
cmp eax, 0x80000000
je 0x455f92
cmp eax, ecx
jne 0x455e71
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455e71
cmp eax, 2
jbe 0x456073
cmp eax, 4
jbe 0x455f64
cmp eax, 5
je 0x456073
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
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 + 0x5121a0]
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 0x455ee3
test byte [ebp + 0x10], 8
je 0x455ee3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
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 0x4560f2
test byte [ebp + 0x10], 1
je 0x4560f2
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 0x4560db
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043cdfe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004567fc
pop ecx
jmp 0x455c5a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456c74
add esp, 0x10
or eax, edx
je 0x456073
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456c74
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x455d54
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0044822b
add esp, 0xc
cmp eax, 0xffffffff
je 0x455d54
cmp eax, 2
je 0x456017
cmp eax, 3
jne 0x456065
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x456017
mov byte [ebp - 2], 1
jmp 0x455e71
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455e71
cmp eax, 2
jbe 0x456073
cmp eax, 4
ja 0x455e68
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456c74
add esp, 0x10
or eax, edx
je 0x456073
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456c74
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x455e71
jmp 0x455d54
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x45603f
push dword [esi]
call fcn.00447d77
pop ecx
call fcn.0043cdd8
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4560f4
cmp eax, 0xfeff
jne 0x456065
push ebx
push 2
push dword [esi]
call fcn.0044932b
add esp, 0xc
cmp eax, 0xffffffff
je 0x455d54
mov byte [ebp - 2], 2
jmp 0x455e71
push ebx
push ebx
push dword [esi]
call fcn.0044932b
add esp, 0xc
jmp 0x456009
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x456093
dec eax
jne 0x455e71
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4560a1
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.0044900f
add esp, 0xc
cmp eax, 0xffffffff
je 0x4560c7
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4560a1
jmp 0x455e71
push dword [esi]
call fcn.00447d77
pop ecx
call fcn.0043cdd8
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4560f4
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret