The most concerning point is that transitional point where all of the old, quantum breakable, standards are in place when quantum systems roll around.
Either everything will fall apart or we'll have wised up before hand.
Either everything will fall apart or we'll have wised up before hand.
DES was an acceptable standard until the late 90s, but you'd be foolish to use it now. RSA is the accepted standard now, but it is said to fall within 5 years or so. At that point, people will either start paying for a license to use Elliptic curve encryption algos or something new will be found. It's a vicious cycle, but I certainly don't think encryption ends with quantum computing, but maybe disrupts it quite a bit for some time.