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elliptic-curve: RNG followups#2208

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tarcieri merged 1 commit into
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elliptic-curve/rng-followups
Jan 20, 2026
Merged

elliptic-curve: RNG followups#2208
tarcieri merged 1 commit into
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elliptic-curve/rng-followups

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  • Impls the Generate trait for NonIdentity, deprecates NonIdentity::random
  • Impls a Generate-like API for BlindedScalar (it can't use the Generate trait because it needs the scalar to blind in addition to an RNG)
  • Note: above changes BlindedScalar::new not to have an RNG argument and implicitly using getrandom::SysRng, and the old function is preserved as BlindedSclar::new_with_rng

- Impls the `Generate` trait for `NonIdentity`, deprecates
  `NonIdentity::random`
- Impls a `Generate`-like API for `BlindedScalar` (it can't use the
  `Generate` trait because it needs the scalar to blind in addition to
  an RNG)
- Note: above changes `BlindedScalar::new` not to have an RNG argument
  and implicitly using `getrandom::SysRng`, and the old function is
  preserved as `BlindedSclar::new_with_rng`
@tarcieri tarcieri merged commit fed493a into master Jan 20, 2026
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@tarcieri tarcieri deleted the elliptic-curve/rng-followups branch January 20, 2026 17:29
@tarcieri tarcieri mentioned this pull request Jun 23, 2026
tarcieri added a commit that referenced this pull request Jun 23, 2026
## Added
- Implement `PartialEq + Eq` for `NonIdentity` and `NonZeroScalar` (#1834)
- Implement `Zeroize` for `NonIdentity` (#1832)
- `NonIdentity::mul_by_generator()` (#1833)
- Implement `Mul<&NonZeroScalar>` for `NonIdentity` (#1852)
- Implement `Mul<NonIdentity>` for `NonZeroScalar` (#1855)
- Expose `AffineCoordinates::y` (#1891)
- Scalar macros originall from `primeorder` (#1894)
- Implement `BatchNormalize` for `NonIdentity` (#1896)
- Re-export `group::Curve` as `CurveGroup` (#1902)
- `NonIdentity`/`NonZeroScalar` casting methods (#1903)
- `AffineCoordinates::from_coordinates` (#1996)
- `getrandom` feature (#2085)
- `ctutils` traits to `arithmetic` bounds (#2166)
- `Retrieve` bound for `C::Scalar` (#2169)
- `crypto_common::Generate` support (#2173, #2208)
- Implement `crypto_common::TryKeyInit` for `SecretKey<C>` (#2174)
- `dev::bench_projective!` macro (#2177)
- Provide `Sec1Point::from/to_sec1_bytes` (#2221)
- Implement `From<SecretKey<C>>` for `PublicKey<C>` (#2247)
- `SecretKey::diffie_hellman` (#2248)
- `LinearCombination::lincomb_vartime` method (#2286)
- `ops::MulVartime` trait and bound `Scalar` (#2379)
- `ops::MulByGeneratorVartime` trait ([#2381])
- `SecretKey::from_pem` (#2387)
- `SecretKey::from_der` (#2408)
- `hazmat` module with `FieldArithmetic` trait (#2458)
- `Double::double_in_place` (#2464)

## Changed
- Migrate from `generic-array` to `hybrid-array` (#1462)
- Rename `LinearCombinationExt` => `LinearCombination`; replacing old
  trait (#1501)
- Edition changed to 2024 and MSRV bumped to 1.85 (#1759)
- Make `SecretKey::new` fallible (#1804)
- Replace `ops::Invert` trait with `crypto_bigint::Invert` (#1839)
- Rename `SecretKey::new` => `::from_scalar` (#1893)
- Replace `Reduce` trait with `crypto_bigint::Reduce` (#1949)
- Bump `serdect` dependency to v0.4 (#1978)
- Use `crypto_bigint::Odd` to represent `Curve::ORDER` (#2006)
- Bound `Curve::Uint` on `Unsigned` (#2007)
- Rename `ScalarPrimitive` => `ScalarValue` (#2008)
- Accept mixed-case hex-encoded strings in `FromStr` impl for
  `ScalarValue` (#2037)
- Deprecate `SecretKey::random` (#2086)
- Move `MockCurve` to `dev::mock_curve` (#2176)
- Bump `rand_core` to v0.10 (#2250)
- Rename `EncodedPoint` => `Sec1Point` (#2264)
- Bump `crypto-bigint` to v0.7 (#2330)
- Bump `digest` to v0.11 (#2331)
- Bump `sec1` to v0.8 (#2339)
- Bump `hkdf` dependency to v0.13 (#2349)
- Use `*Vartime` as a suffix in names (#2378)
- Bump `pkcs8` to v0.11 (#2397)
- Bump `ff` and `group` to v0.14 (#2430, #2431)
- Simplify `BatchInvert` trait (#2455)
- Replace `FieldBytesEncoding` trait with `C::FIELD_ENDIANNESS` (#2457)
- Move `Double` to `ops` module (#2465)

## Removed
- `hazmat` feature (#1599)
- `hash2curve` and `oprf` modules: moved to same-name crates (#1929)
- PKCS#8 blanket impls for SEC1 private key traits (#1930)
- `ShrAssign` bound on `Scalar`s (#1938)
- JWK support: migrated to `jose-jwk` crate (#1963)
- `weierstrass` module (#2005)
- `bits` feature (#2417)

## Fixed
- Include curve OID in SEC1 private keys (#1707, #1933)
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