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By default, HashMap does *not* use a cryptographically secure hashing function #1469

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Sep 17, 2018
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By default, HashMap does *not* use a cryptographically secure hashing function #1469

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By default, HashMap does *not* use a cryptographically secure hashing…
oberien Aug 4, 2018
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Reword "cryptographically strong" SipHash
oberien Sep 8, 2018
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Reword "cryptographically strong" SipHash
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@oberien
oberien committed Sep 8, 2018
commit 9d800ad1f2a33ed552fbc28b8f54df3b27ad3537
4 changes: 3 additions & 1 deletion 2018-edition/src/ch08-03-hash-maps.md
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Expand Up @@ -261,7 +261,7 @@ loop, so all of these changes are safe and allowed by the borrowing rules.

### Hashing Functions

By default, `HashMap` uses a strong, but non-cryptographic, hashing function that can
By default, `HashMap` uses a "cryptographically strong"[^siphash] hashing function that can
provide resistance to Denial of Service (DoS) attacks. This is not the fastest
hashing algorithm available, but the trade-off for better security that comes
with the drop in performance is worth it. If you profile your code and find
Expand All @@ -273,6 +273,8 @@ hasher from scratch; [crates.io](https://crates.io) has libraries shared by
other Rust users that provide hashers implementing many common hashing
algorithms.

[^siphash]: [https://www.131002.net/siphash/siphash.pdf](https://www.131002.net/siphash/siphash.pdf)

## Summary

Vectors, strings, and hash maps will provide a large amount of functionality
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