HashMap uses SipHash. To call it cryptographically secure is not a clear way of summarizing what it provides. See Wikipedia for more info. Blurb: > It was desi

HashMap uses SipHash. To call it cryptographically secure is not a clear way of summarizing what it provides. See Wikipedia for more info. Blurb: > It was designed to be efficient even for short inputs, with performance comparable to non-cryptographic hash functions, such as CityHash, this can be used to prevent denial-of-service attacks against hash tables ("hash flooding") [...]