seckey

Use memsec protected secret memory.

exmaple

use seckey::SecKey;

let secpass = SecKey::new([8u8; 8]).unwrap();

{
	assert_eq!([8u8; 8], *secpass.read());
}

{
	let mut wpass = secpass.write();
	wpass[0] = 0;
	assert_eq!([0, 8, 8, 8, 8, 8, 8, 8], *wpass);
}