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‎CHANGELOG.md‎

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@@ -4,17 +4,240 @@ All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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7-
## 0.7.0-pre.5 (2025-06-16)
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_The below list is very much incomplete._
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## 0.7.0 (2026-03-05)
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### Added
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- `Reduce` trait for modular reduction with a constant modulus.
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- Binary GCD algorithm ([#755])
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- Provide `RandomMod::try_random_mod` and `Random::try_random` methods ([#770])
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- `Monty::div_by_2_assign()` ([#777])
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- `BoxedUint::inv_mod2k_vartime()` ([#777])
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- `BoxedUint::inv_mod2k()` ([#777])
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- `Monty::Multiplier` ([#777])
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- `serde` support for BoxedUint ([#789])
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- `Binary`, `LowerHex`, and `UpperHex` bounds for `Integer` ([#792])
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- `DivVartime` trait ([#800])
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- `PartialOrd<Uint>` impl for `BoxedUint` ([#803])
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- `UintRef` type ([#806], [#1114])
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- `Resize` trait ([#809])
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- `Invert::invert_vartime` method ([#814])
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- `From<Odd>` for `NonZero` impl ([#821])
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- `BoxedUint::{to_be_bytes_trimmed, to_le_bytes_trimmed}` ([#824])
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- `BoxedUint::{from_be_slice_vartime, from_le_slice_vartime}` ([#833])
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- `Int::to_uint` and `Uint::to_int` ([#837])
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- `NonZero` and `Odd` type aliases ([#844])
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- `NonZeroUint`/`OddUint`
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- `NonZeroBoxedUint`/`OddBoxedUint`
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- `NonZeroInt`/`OddInt` ([#845])
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- `NonZeroInt::new_unwrap` ([#857])
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- Classic Binary Extended GCD algorithm ([#854])
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- `Xgcd` trait ([#855])
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- `Uint::rem_wide` ([#896])
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- `Reduce` trait ([#887], [#906])
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- `SquareMod` trait ([#915])
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- `JacobiSymbol` calculation ([#927])
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- `NonZero::<Uint>::{from_be_hex, from_le_hex}` ([#928])
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- `Signed` and `Unsigned` marker traits ([#942])
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- `Int::wrapping_mul` ([#946])
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- `One` trait ala `Zero` ([#947])
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- `MontyParams::{one, r2}` accessor methods ([#948])
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- Optimized Binary Extended GCD a.k.a. binxgcd ([#945])
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- `ConstMontyForm::MODULUS` constant ([#982])
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- `Uint::lcm` method ([#1028])
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- `getrandom` feature with `Random` trait support ([#1057])
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- `NonZero::get_copy`/`Odd::get_copy` ([#1072])
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- Checked and wrapping exponentiation methods for `Uint` ([#1081])
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- `CheckedSquareRoot` trait ([#1083])
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- `BoxedUint::pow_mod` method ([#1084])
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- `BoxedUint::concatenating_add` method ([#1090])
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- `BoxedUint::overflowing_add` method ([#1091])
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- Extra sizes `U8320` and `U12288` ([#1101])
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- `Limb::array_as_(mut_)words`/`slice_as_(mut_)words` ([#1103])
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- `Uint::{floor_root_vartime, checked_root_vartime}` ([#1089])
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- `(Const)MontyForm::pow_vartime` ([#1118])
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- `(Const)MontyForm::square_repeat_vartime` method ([#1122])
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- `ToOwned<Owned = BoxedUint>` impl for `UintRef` ([#1128])
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- `BoxedUint` exponentiation methods: `wrapping_pow`, `wrapping_pow_bounded_exp`,
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`wrapped_pow_vartime` as well as `checked_*`/`saturating_*` equivalents ([#1159])
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- Division and remainder operations for `Limb` ([#1162])
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- Implement `Integer` and `Unsigned` for `Limb` ([#1174])
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- Mixed-size comparisons for `Integer` types ([#1184])
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- `MontyParams` getter methods ([#1188])
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- `Uint::resize_checked` method ([#1194])
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- `const_prime_monty_params!` macro and `PrimeParams` trait ([#1139])
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- `ConcatenatingSquare` trait ([#1208])
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### Changed
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- Replace `Limb::mac` with `::carrying_mul_add` ([#817]).
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- Note: `::carrying_mul_add` requires a different parameter order than `::mac`.
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- Bump `der` to v0.8 ([#763], [#1206])
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- Bump edition to 2024; MSRV 1.85 ([#772])
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- Bound `Monty` on `Retrieve` ([#797])
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- `Uint::div`/`Int::div` now accept differently sized denominators ([#799])
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- Rename `as_(limbs|words)_mut` => `as_mut_(limbs|words)` ([#805])
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- Inversion method naming: ([#816])
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- `inv()` -> `invert()`,
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- `inv_mod()` -> `invert_mod()`,
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- `InvMod` -> `InvertMod`
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- `inv_odd_mod()` -> `invert_odd_mod()`
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- `inv_mod2k()` -> `invert_mod2k()`
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- Adopt `core` naming conventions for bigint methods ([#817])
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- Rename `WideningMul` -> `ConcatenatingMul`, `widening_mul()` -> `concatenating_mul()`
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- Rename `mul_wide()`/`split_mul()` -> `widening_mul()`
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- Rename `adc()` -> `carrying_add()`
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- Rename `sbb()` -> `borrowing_sub()`
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- Rename `mac()` -> `carrying_mul_add()` and change the order of arguments to match `core`
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- Rename `impl_modulus!` => `const_monty_params!` ([#861])
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- Unify `ConstMontyParams` and `MontyParams` ([#873])
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- `BoxedUint::div_rem` now accepts mixed sized inputs ([#902])
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- `const_monty_form!` now defines a type alias ([#909])
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- Modular operations now accept a `NonZero` modulus ([#914])
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- Simplify `Uint::add_mod`, `Uint::double_mod` ([#917])
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- `Uint::double_mod` now requires a `NonZero` modulus ([#917])
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- Bump `hybrid-array` to v0.4 ([#934])
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- Implement `Encoding` for all `Uint`s ([#1016], [#1064])
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- Rename `random_mod` -> `random_mod_vartime` ([#1030])
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- Replace `subtle` with `ctutils`:
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- Replace `ConstChoice` with `ctutils::Choice` ([#1035])
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- Replace `ConstCtOption` with `ctutils::CtOption` ([#1040])
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- Replace `ConstantTimeSelect` with `ctutils::CtSelect` ([#1043])
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- Replace `ConstantTimeEq` with `CtEq` in trait bounds ([#1048])
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- Bound `Integer` on `CtGt`/`CtLt` ([#1049])
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- Rename `rand` feature to `rand_core` ([#1058])
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- Have `BoxedMontyForm::new` auto-`Clone` its params ([#1087])
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- Rename `SquareRoot` trait to `FloorSquareRoot` ([#1083])
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- Use `core` convention for mixed-sign op names ([#1092])
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- `{unsigned}::*_signed` for ops that take `{signed}` RHS operand
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- `{signed}::*_unsigned` for ops that take `{unsigned}` RHS operand
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- Make vartime bit shifts return an `Option` instead of `CtOption` ([#1096])
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- Make vartime inversion return an `Option` instead of `CtOption` ([#1097])
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- Unified `MontyParams` ([#1107])
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- Have `Monty::zero` and `Monty::one` borrow params ([#1140])
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- Rename `MontyForm` -> `FixedMontyForm` ([#1145])
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- Split `UnsignedWithMontyForm` out of `Unsigned` ([#1156], [#1189])
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- Bump `rand_core` to v0.10 ([#1165])
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- Wrapping shifts renamed to unbounded shifts to follow `core` semantics ([#1160])
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- Replace `nlimbs!` macro with `const fn nlimbs()` ([#1169])
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- Use `cpubits` crate for 32-bit vs 64-bit selection ([#1170])
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- More flexible `BoxedUint` addition, subtraction, multiplication ([#1177])
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- Lighter-weight support for `Uint` concat/split operations ([#1191])
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- Deprecate `Uint:{square, square_wide}` in favor of `concatenating_square` ([#1207])
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- Deprecate `BoxedUint::{mul, square}` in favor of concatenating mul/square ([#1208])
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### Fixed
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- Make `random_bits_core` platform independent ([#781], [#1010], [#1026])
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- `Default` impl for `Odd` ([#1071])
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- `NonZero::from_le_byte_array` ([#1211])
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### Removed
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- `PrecomputedInverter` and `Inverter` traits ([#894])
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- `BoxedMontyFormInverter` ([#897])
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- `*SafeGcdInverter` ([#898])
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- `modular::montgomery_reduction` ([#900])
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- `ConstMontyParams::inverter` ([#907])
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- `ConstMontyFormInverter` ([#908])
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[#755]: https://github.com/RustCrypto/crypto-bigint/pull/755
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[#763]: https://github.com/RustCrypto/crypto-bigint/pull/763
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[#770]: https://github.com/RustCrypto/crypto-bigint/pull/770
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[#772]: https://github.com/RustCrypto/crypto-bigint/pull/772
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[#777]: https://github.com/RustCrypto/crypto-bigint/pull/777
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[#781]: https://github.com/RustCrypto/crypto-bigint/pull/781
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[#789]: https://github.com/RustCrypto/crypto-bigint/pull/789
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[#792]: https://github.com/RustCrypto/crypto-bigint/pull/792
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[#797]: https://github.com/RustCrypto/crypto-bigint/pull/797
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[#799]: https://github.com/RustCrypto/crypto-bigint/pull/799
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[#800]: https://github.com/RustCrypto/crypto-bigint/pull/800
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[#803]: https://github.com/RustCrypto/crypto-bigint/pull/803
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[#805]: https://github.com/RustCrypto/crypto-bigint/pull/805
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[#806]: https://github.com/RustCrypto/crypto-bigint/pull/806
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[#809]: https://github.com/RustCrypto/crypto-bigint/pull/809
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[#814]: https://github.com/RustCrypto/crypto-bigint/pull/814
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[#816]: https://github.com/RustCrypto/crypto-bigint/pull/816
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[#817]: https://github.com/RustCrypto/crypto-bigint/pull/817
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[#821]: https://github.com/RustCrypto/crypto-bigint/pull/821
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[#824]: https://github.com/RustCrypto/crypto-bigint/pull/824
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[#833]: https://github.com/RustCrypto/crypto-bigint/pull/833
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[#837]: https://github.com/RustCrypto/crypto-bigint/pull/837
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[#844]: https://github.com/RustCrypto/crypto-bigint/pull/844
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[#845]: https://github.com/RustCrypto/crypto-bigint/pull/845
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[#854]: https://github.com/RustCrypto/crypto-bigint/pull/854
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[#855]: https://github.com/RustCrypto/crypto-bigint/pull/855
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[#857]: https://github.com/RustCrypto/crypto-bigint/pull/857
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[#861]: https://github.com/RustCrypto/crypto-bigint/pull/861
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[#873]: https://github.com/RustCrypto/crypto-bigint/pull/873
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[#887]: https://github.com/RustCrypto/crypto-bigint/pull/887
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[#894]: https://github.com/RustCrypto/crypto-bigint/pull/894
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[#896]: https://github.com/RustCrypto/crypto-bigint/pull/896
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[#897]: https://github.com/RustCrypto/crypto-bigint/pull/897
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[#898]: https://github.com/RustCrypto/crypto-bigint/pull/898
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[#900]: https://github.com/RustCrypto/crypto-bigint/pull/900
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[#902]: https://github.com/RustCrypto/crypto-bigint/pull/902
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[#906]: https://github.com/RustCrypto/crypto-bigint/pull/906
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[#907]: https://github.com/RustCrypto/crypto-bigint/pull/907
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[#908]: https://github.com/RustCrypto/crypto-bigint/pull/908
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[#909]: https://github.com/RustCrypto/crypto-bigint/pull/909
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[#914]: https://github.com/RustCrypto/crypto-bigint/pull/914
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[#915]: https://github.com/RustCrypto/crypto-bigint/pull/915
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[#917]: https://github.com/RustCrypto/crypto-bigint/pull/917
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[#927]: https://github.com/RustCrypto/crypto-bigint/pull/927
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[#928]: https://github.com/RustCrypto/crypto-bigint/pull/928
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[#934]: https://github.com/RustCrypto/crypto-bigint/pull/934
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[#942]: https://github.com/RustCrypto/crypto-bigint/pull/942
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[#945]: https://github.com/RustCrypto/crypto-bigint/pull/945
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[#946]: https://github.com/RustCrypto/crypto-bigint/pull/946
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[#947]: https://github.com/RustCrypto/crypto-bigint/pull/947
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[#948]: https://github.com/RustCrypto/crypto-bigint/pull/948
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[#982]: https://github.com/RustCrypto/crypto-bigint/pull/982
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[#1010]: https://github.com/RustCrypto/crypto-bigint/pull/1010
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[#1016]: https://github.com/RustCrypto/crypto-bigint/pull/1016
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[#1026]: https://github.com/RustCrypto/crypto-bigint/pull/1026
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[#1028]: https://github.com/RustCrypto/crypto-bigint/pull/1028
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[#1030]: https://github.com/RustCrypto/crypto-bigint/pull/1030
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[#1035]: https://github.com/RustCrypto/crypto-bigint/pull/1035
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[#1040]: https://github.com/RustCrypto/crypto-bigint/pull/1040
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[#1043]: https://github.com/RustCrypto/crypto-bigint/pull/1043
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[#1048]: https://github.com/RustCrypto/crypto-bigint/pull/1048
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[#1049]: https://github.com/RustCrypto/crypto-bigint/pull/1049
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[#1057]: https://github.com/RustCrypto/crypto-bigint/pull/1057
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[#1058]: https://github.com/RustCrypto/crypto-bigint/pull/1058
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[#1064]: https://github.com/RustCrypto/crypto-bigint/pull/1064
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[#1071]: https://github.com/RustCrypto/crypto-bigint/pull/1071
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[#1072]: https://github.com/RustCrypto/crypto-bigint/pull/1072
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[#1081]: https://github.com/RustCrypto/crypto-bigint/pull/1081
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[#1083]: https://github.com/RustCrypto/crypto-bigint/pull/1083
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[#1084]: https://github.com/RustCrypto/crypto-bigint/pull/1084
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[#1087]: https://github.com/RustCrypto/crypto-bigint/pull/1087
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[#1089]: https://github.com/RustCrypto/crypto-bigint/pull/1089
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[#1090]: https://github.com/RustCrypto/crypto-bigint/pull/1090
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[#1091]: https://github.com/RustCrypto/crypto-bigint/pull/1091
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[#1092]: https://github.com/RustCrypto/crypto-bigint/pull/1092
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[#1096]: https://github.com/RustCrypto/crypto-bigint/pull/1096
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[#1097]: https://github.com/RustCrypto/crypto-bigint/pull/1097
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[#1101]: https://github.com/RustCrypto/crypto-bigint/pull/1101
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[#1103]: https://github.com/RustCrypto/crypto-bigint/pull/1103
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[#1107]: https://github.com/RustCrypto/crypto-bigint/pull/1107
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[#1114]: https://github.com/RustCrypto/crypto-bigint/pull/1114
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[#1118]: https://github.com/RustCrypto/crypto-bigint/pull/1118
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[#1122]: https://github.com/RustCrypto/crypto-bigint/pull/1122
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[#1128]: https://github.com/RustCrypto/crypto-bigint/pull/1128
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[#1139]: https://github.com/RustCrypto/crypto-bigint/pull/1139
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[#1140]: https://github.com/RustCrypto/crypto-bigint/pull/1140
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[#1145]: https://github.com/RustCrypto/crypto-bigint/pull/1145
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[#1156]: https://github.com/RustCrypto/crypto-bigint/pull/1156
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[#1159]: https://github.com/RustCrypto/crypto-bigint/pull/1159
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[#1160]: https://github.com/RustCrypto/crypto-bigint/pull/1160
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[#1162]: https://github.com/RustCrypto/crypto-bigint/pull/1162
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[#1165]: https://github.com/RustCrypto/crypto-bigint/pull/1165
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[#1169]: https://github.com/RustCrypto/crypto-bigint/pull/1169
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[#1170]: https://github.com/RustCrypto/crypto-bigint/pull/1170
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[#1174]: https://github.com/RustCrypto/crypto-bigint/pull/1174
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[#1177]: https://github.com/RustCrypto/crypto-bigint/pull/1177
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[#1184]: https://github.com/RustCrypto/crypto-bigint/pull/1184
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[#1188]: https://github.com/RustCrypto/crypto-bigint/pull/1188
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[#1189]: https://github.com/RustCrypto/crypto-bigint/pull/1189
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[#1191]: https://github.com/RustCrypto/crypto-bigint/pull/1191
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[#1194]: https://github.com/RustCrypto/crypto-bigint/pull/1194
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[#1206]: https://github.com/RustCrypto/crypto-bigint/pull/1206
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[#1207]: https://github.com/RustCrypto/crypto-bigint/pull/1207
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[#1208]: https://github.com/RustCrypto/crypto-bigint/pull/1208
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[#1211]: https://github.com/RustCrypto/crypto-bigint/pull/1211
18241

19242
## 0.6.1 (2025-02-14)
20243
### Added
@@ -23,8 +246,8 @@ _The below list is very much incomplete._
23246
### Changed
24247
- Make `as_limbs_mut` const ([#757])
25248
- Impl `RemMixed` for even splits as well ([#791])
26-
- Make `Integer` be fmt::Binary, LowerHex and UpperHex ([#792])
27-
-
249+
- Make `Integer` be `fmt::Binary`, `LowerHex`, and `UpperHex` ([#792])
250+
28251
[#757]: https://github.com/RustCrypto/crypto-bigint/pull/757
29252
[#760]: https://github.com/RustCrypto/crypto-bigint/pull/760
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[#791]: https://github.com/RustCrypto/crypto-bigint/pull/791

‎Cargo.lock‎

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‎Cargo.toml‎

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[package]
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name = "crypto-bigint"
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version = "0.7.0-rc.28"
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version = "0.7.0"
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description = """
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Pure Rust implementation of a big integer library which has been designed from
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the ground-up for use in cryptographic applications. Provides constant-time,

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