Opened 7 years ago
Last modified 5 years ago
#11769 closed Bugs
64-bit hash_combine has weakness against zero input — at Initial Version
| Reported by: | Andrey Semashev | Owned by: | Daniel James |
|---|---|---|---|
| Milestone: | To Be Determined | Component: | hash |
| Version: | Boost Development Trunk | Severity: | Problem |
| Keywords: | Cc: |
Description
The hash_combine_impl function for 64-bit size_t (see here) does not have an additive component. As a result, hashing strings of zeros always results in zero has value regardless of the length of the string.
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