The only problem with string-only encryption, as used in Stanford's library, is that you have to base-encode your data first, costing extra time, and causing th

The only problem with string-only encryption, as used in Stanford's library, is that you have to base-encode your data first, costing extra time, and causing the data to grow in size (larger storage costs, more bandwidth usage). Using string-only keys is from a security perspective also a larger problem than people realize.