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| author | bors <bors@rust-lang.org> | 2016-07-01 15:53:07 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-07-01 15:53:07 -0700 |
| commit | 01411937ff6b2a2dfad03d060d636941b0034591 (patch) | |
| tree | d2823f782d60f21ba04e03fc7364c73acdb5891b /src/rustllvm/RustWrapper.cpp | |
| parent | 5661be01b61bbd22afbd95fde88591bc50947b42 (diff) | |
| parent | db1b1919baba8be48d997d9f70a6a5df7e31612a (diff) | |
| download | rust-01411937ff6b2a2dfad03d060d636941b0034591.tar.gz rust-01411937ff6b2a2dfad03d060d636941b0034591.zip | |
Auto merge of #33940 - seanmonstar:siphash-1-3, r=alexcrichton
hashmap: use siphash-1-3 as default hasher Also exposes `SipHash13` and `SipHash24` in `core::hash::sip`, for those that want to differentiate. For motivation, see this quote from the original issue: > we proposed SipHash-2-4 as a (strong) PRF/MAC, and so far no attack whatsoever has been found, although many competent people tried to break it. However, fewer rounds may be sufficient and I would be very surprised if SipHash-1-3 introduced weaknesses for hash tables. This keeps a type alias of `SipHasher` to `SipHash24`, and since the internal default hasher of HashMap is specified as "not specified", changing it should not be a breaking change. Closes #29754
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