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Add BLAKE3 hashing algorithm

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This uses the single-threaded C-based routines from libblake3.

This is not optimal performance-wise but should be a good starting point
for nix compatibility with BLAKE3 hashing until a more performant
implementation based on the multi-threaded BLAKE3 routines
(written in Rust) can be developed.
This commit is contained in:
silvanshade 2025-01-29 12:24:37 -07:00
parent a562d0b6ce
commit 1f56ea4c72
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9 changed files with 89 additions and 18 deletions
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10
src/libutil/experimental-features.cc
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@ -24,7 +24,7 @@ struct ExperimentalFeatureDetails
* feature, we either have no issue at all if few features are not added
* at the end of the list, or a proper merge conflict if they are.
*/
constexpr size_t numXpFeatures = 1 + static_cast<size_t>(Xp::PipeOperators);
constexpr size_t numXpFeatures = 1 + static_cast<size_t>(Xp::BLAKE3Hashes);
constexpr std::array<ExperimentalFeatureDetails, numXpFeatures> xpFeatureDetails = {{
{
@ -302,6 +302,14 @@ constexpr std::array<ExperimentalFeatureDetails, numXpFeatures> xpFeatureDetails
)",
.trackingUrl = "https://github.com/NixOS/nix/milestone/55",
},
{
.tag = Xp::BLAKE3Hashes,
.name = "blake3-hashes",
.description = R"(
Enables support for BLAKE3 hashes.
)",
.trackingUrl = "",
},
}};
static_assert(