v0.8.4

This release implements VDAF-01, and fixes build failures when building without default features enabled.

What's Changed

• Build with --no-default-features in CI by @tgeoghegan in #280
• Fix Clippy lint by @divergentdave in #281
• build(deps): bump serde from 1.0.142 to 1.0.143 by @dependabot in #282
• Run CI using both MSRV and stable Rust toolchains by @tgeoghegan in #285
• Bump crate version to 0.8.4 by @tgeoghegan in #297

Full Changelog: v0.8.3...v0.8.4

v0.9.0

This release implements draft-irtf-cfrg-vdaf-03 and is not backward or forward compatible with other VDAF drafts.

What's Changed

• Build with --no-default-features in CI by @tgeoghegan in #280
• Fix Clippy lint by @divergentdave in #281
• build(deps): bump serde from 1.0.142 to 1.0.143 by @dependabot in #282
• Run CI using both MSRV and stable Rust toolchains by @tgeoghegan in #285
• Preparations for VDAF draft 03 breaking changes by @divergentdave in #286
• Add public share to VDAF API by @divergentdave in #287
• Add algorithm IDs and update PRG seed derivation by @divergentdave in #289
• Rewrite joint rand derivation, CMAC instead of XOR by @divergentdave in #290
• Remove intermediate seed step from query randomness by @divergentdave in #291
• Add VDAF draft 03 test vectors, re-enable tests by @divergentdave in #292
• build(deps): bump serde_json from 1.0.83 to 1.0.85 by @dependabot in #293
• build(deps): bump serde from 1.0.143 to 1.0.144 by @dependabot in #294
• Add Valgrind-based cycle count benchmarks by @divergentdave in #295

Full Changelog: v0.8.3...v0.9.0

v0.8.3

What's Changed

• Update lockfile to reflect version bump by @divergentdave in #268
• Remove crypto dependencies: ring, aes-gcm by @simon-friedberger in #267
• build(deps): bump serde from 1.0.139 to 1.0.140 by @dependabot in #271
• Add feature flag to hide PRG. by @simon-friedberger in #272
• build(deps): bump serde from 1.0.140 to 1.0.141 by @dependabot in #273
• build(deps): bump color-eyre from 0.6.1 to 0.6.2 by @dependabot in #269
• Add num_measurements argument to unshard() and decode_result(). by @MxmUrw in #258
• build(deps): bump serde_json from 1.0.82 to 1.0.83 by @dependabot in #276
• build(deps): bump thiserror from 1.0.31 to 1.0.32 by @dependabot in #275
• build(deps): bump serde from 1.0.141 to 1.0.142 by @dependabot in #274
• Add unexported trait FieldElementExt by @tgeoghegan in #277
• Release 0.8.3 by @tgeoghegan in #279

New Contributors

• @simon-friedberger made their first contribution in #267
• @MxmUrw made their first contribution in #258

Full Changelog: v0.8.2...v0.8.3

v0.8.2

This release fixes one compiler warning present in v0.8.1 and also bumps the version in Cargo.toml.

What's Changed

• Fix warning and release 0.8.2 by @tgeoghegan in #266

Full Changelog: v0.8.1...v0.8.2

v0.8.1

The headline change in this release is the Prio2 VDAF, which is backward-compatible with clients and servers from the ENPA system. Additionally, this release contains a few dependency bumps and bug fixes, listed below.

What's Changed

• flp: Fix out-of-bounds error in FFT-based gadget poly computation by @cjpatton in #255
• build(deps): bump serde from 1.0.137 to 1.0.138 by @dependabot in #260
• build(deps): bump serde_json from 1.0.81 to 1.0.82 by @dependabot in #259
• Update various URLs with divviup GH org by @tgeoghegan in #261
• build(deps): bump getrandom from 0.2.6 to 0.2.7 by @dependabot in #253
• Don't unify "real" and dev dependencies by @tgeoghegan in #262
• Port Prio2 to a VDAF by @cjpatton in #240
• Prio2: Implement serialization of the prep state by @cjpatton in #265
• build(deps): bump serde from 1.0.138 to 1.0.139 by @dependabot in #263
• build(deps): bump criterion from 0.3.5 to 0.3.6 by @dependabot in #264

Full Changelog: v0.8.0...v0.8.1

v0.8.0

What's Changed

• Cleanup (currently)-final Clippy complaint. by @branlwyd in #233
• Refactor PrepareTransition<S, M, O> to PrepareTransition<V: Aggregator>. by @branlwyd in #232
• Rename PrepareStep to PrepareState. by @branlwyd in #230
• vdaf: Have prepare_init() output the first-round prep message by @cjpatton in #218
• vdaf: Replace the PrepareTransition::Fail variant by @cjpatton in #224
• vdaf: Distinguish prep shares from prep messages by @cjpatton in #225
• prio3: Align prep message with vdaf-01 by @cjpatton in #226
• vdaf: Drop public param and refactor verify param by @cjpatton in #228
• vdaf: Update test vectors to vdaf-01 by @cjpatton in #234
• Clean up API and documentation by @cjpatton in #236
• PR #238, take 2 by @tgeoghegan in #239
• Fix Continue variant of PrepareTransition by @cjpatton in #242
• Update transitive dependencies with cargo-audit findings by @divergentdave in #244
• Add benchmarks for the CountVec type by @cjpatton in #243
• Clippy by @branlwyd in #248
• Update Prio3 constructors to improve generated docs. by @branlwyd in #247
• Fix cargo doc warning for Prio3Aes128CountVecMultithreaded. by @branlwyd in #250
• CI: build benchmarks with all features, yet another clippy fix. by @branlwyd in #249
• Document parameter for decoding PrepareMessage/State. by @branlwyd in #251
• Bump crate version to v0.8.0. by @branlwyd in #246

Full Changelog: v0.7.1...v0.8.0

v0.7.1

What's Changed

• Update CODEOWNERS for recent move to divviup org. by @branlwyd in #201
• build(deps): bump getrandom from 0.2.5 to 0.2.6 by @dependabot in #203
• Implement Encode & Decode for OutputShare. by @branlwyd in #202
• Extend blanket Parameterized{En,De}code impls by @tgeoghegan in #204
• clippy: rename Montgomery conversion methods by @divergentdave in #207
• build(deps): bump rayon from 1.5.1 to 1.5.2 by @dependabot in #205
• Fix in docstring of FieldParameters::roots by @divergentdave in #206
• build(deps): bump serde_json from 1.0.79 to 1.0.80 by @dependabot in #212
• build(deps): bump serde from 1.0.136 to 1.0.137 by @dependabot in #213
• build(deps): bump thiserror from 1.0.30 to 1.0.31 by @dependabot in #211
• build(deps): bump serde_json from 1.0.80 to 1.0.81 by @dependabot in #215
• build(deps): bump rayon from 1.5.2 to 1.5.3 by @dependabot in #217
• Compare FieldElement via Montgomery representation by @divergentdave in #219
• Add a test of Prng rejection sampling by @divergentdave in #222
• Update references to IETF/CFRG documents by @cjpatton in #223
• Releases branch GH actions and crate 0.7.1 by @tgeoghegan in #227

Full Changelog: v0.7.0...v0.7.1

v0.7.0

This release is a complete implementation of the prio3-00 VDAF, specified in draft-patton-cfrg-vdaf-01.

What's Changed

• prio3: Store (compressed) input share instead of output share by @cjpatton in #138
• build(deps): bump serde_json from 1.0.69 to 1.0.70 by @dependabot in #140
• Fix reported prio3 input share sizes in benchmarks by @cjpatton in #139
• build(deps): bump serde from 1.0.130 to 1.0.131 by @dependabot in #144
• build(deps): bump serde_json from 1.0.70 to 1.0.73 by @dependabot in #145
• build(deps): bump serde from 1.0.131 to 1.0.132 by @dependabot in #146
• build(deps): bump serde_json from 1.0.73 to 1.0.74 by @dependabot in #148
• build(deps): bump serde from 1.0.132 to 1.0.133 by @dependabot in #149
• prio3: Add a type for a vector of counters by @cjpatton in #137
• vdaf: Rename hits to poplar1 by @cjpatton in #150
• build(deps): bump blake3 from 1.2.0 to 1.3.0 by @dependabot in #153
• build(deps): bump color-eyre from 0.5.11 to 0.6.0 by @dependabot in #154
• build(deps): bump getrandom from 0.2.3 to 0.2.4 by @dependabot in #156
• build(deps): bump serde_json from 1.0.74 to 1.0.75 by @dependabot in #155
• build(deps): bump serde_json from 1.0.75 to 1.0.78 by @dependabot in #157
• build(deps): bump structopt from 0.3.25 to 0.3.26 by @dependabot in #158
• build(deps): bump serde from 1.0.133 to 1.0.135 by @dependabot in #159
• vdaf: Add public preprocessing of prepare messages by @cjpatton in #147
• make value inside Prio3Result[Vec] public by @tgeoghegan in #160
• prio3: Add serialization for network messages by @cjpatton in #161
• build(deps): bump serde from 1.0.135 to 1.0.136 by @dependabot in #163
• build(deps): bump blake3 from 1.3.0 to 1.3.1 by @dependabot in #164
• Implement generic 128-bit prime field arithmetic. by @armfazh in #165
• build(deps): bump rand from 0.8.4 to 0.8.5 by @dependabot in #167
• build(deps): bump serde_json from 1.0.78 to 1.0.79 by @dependabot in #168
• Introduce codec module by @tgeoghegan in #166
• Fix typos in poplar1 module by @divergentdave in #169
• prio3: Add additional tests by @cjpatton in #171
• vdaf: Implement From<Vec<F>> for AggregateShare<F> by @cjpatton in #173
• prio3: Use Field128 for constructions using Fiat-Shamir by @cjpatton in #175
• Add .github/CODEOWNERS by @tgeoghegan in #178
• Remove helper methods on vdaf::Aggregator by @tgeoghegan in #174
• prio3: Expose additional parameters via Prio3 by @cjpatton in #172
• prio3: Align joint rand seed generation with spec by @cjpatton in #177
• build(deps): bump getrandom from 0.2.4 to 0.2.5 by @dependabot in #179
• build(deps): bump color-eyre from 0.6.0 to 0.6.1 by @dependabot in #180
• vdaf: Align PRG with next VDAF draft by @cjpatton in #181
• Add encoding parameter, allow parameters to be omitted if they are (). by @branlwyd in #183
• delete src/vdaf/suite.rs by @tgeoghegan in #184
• prio3: Add domain separation for field element generation by @cjpatton in #182
• nit: Clean up output of benchmarks by @cjpatton in #186
• Test vectors for prio3 by @cjpatton in #185
• build(deps): bump cipher from 0.3.0 to 0.4.3 by @dependabot in #190
• cleanup: type alias for getrandom/test vector use by @divergentdave in #187
• prio3: Resolve TODO by @cjpatton in #188
• build(deps): bump cmac from 0.6.0 to 0.7.1 by @dependabot in #189
• prio3: Rework Prio3PrepareStep internals (#176) by @cjpatton in #191
• vdaf: Derive serde to traits for AggregateShare by @cjpatton in #194
• prio3: More internal refactoring by @cjpatton in #193
• prio3: Update documentation and rename pcp module to flp by @cjpatton in #196
• prio3: Encode prepare step in "waiting" state by @cjpatton in #195
• vdaf: Serialization of verification parameters by @cjpatton in #192
• Documentation cleanup by @divergentdave in #197
• Opaque VDAF message structs by @tgeoghegan in #199
• Remove rust-toolchain.toml by @tgeoghegan in #198
• Release crate 0.7.0 by @tgeoghegan in #200

New Contributors

• @armfazh made their first contribution in #165
• @divergentdave made their first contribution in #169
• @branlwyd made their first contribution in #183

Full Changelog: v0.6.1...v0.7.0

v0.6.1

This release is identical to release 0.6.0 except that this time, we remembered to bump the crate version in Cargo.toml.

v0.6.0

This release contains implementations of the Prio3 and Hits Verifiable Distributed Aggregation Functions, compatible with draft 00 of the VDAF specification, presented at IETF 112.