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Changelog

Unreleased

  • [#177]
    • Change MSRV to Rust 1.60.0
  • [#175]
    • Change MSRV to Rust 1.57.0

0.13.1 (2021-11-29)

Public API changes

None

Notable internal changes

[#163] Fix compilation error for certain combinations of transitive dependencies related to ed25519-dalek-fiat

0.13.0 (yanked)

Public API changes

  • [#158] Change MSRV to Rust 1.56.0

Notable internal changes

  • [#152] Remove dependency on arrayvec
  • [#157] Depend on ed25519-dalek-fiat instead of ed25519-dalek
  • [#157] Upgrade to rand 0.8
  • [#157] Upgrade to rand_chacha 0.3
  • [#157] Upgrade to gridiron 0.9
  • [#158] Remove dependency on arrayref
  • [#159] Relax dependency version requirements

0.12.0

Public API changes

  • [#127] Change MSRV to Rust 1.41.1
  • [#128] Upgrade to getrandom 0.2.0
  • [#129] Upgrade to quick-error 2.0
  • [#133] Upgrade to ed25519-dalek 1.0.1
  • [#134] Upgrade to arrayvec 0.5
  • [#135] Upgrade to hex 0.4
  • [#136] Upgrade to derivative 2.1.1
  • [#137] Upgrade to gridiron 0.8.0
  • [#138] Upgrade to sha2 0.9
  • [#140] Upgrade to cfg-if 1.0.0

0.11.1

Public API changes

  • [#115]
    • Add explicit 32-bit and 64-bit backends as features: u64_backend, u32_backend

Notable internal changes

  • [#108]
    • Add memory protections for secret values (disable with disable_memlock)

0.11.0

Public API changes

  • [#105]
    • Upgrade dependencies (rand, rand_chacha, ed25519-dalek, gridiron)

0.10.0

Public API changes

  • [#104]

    • Eliminate the Revealed struct.
    • Add Hash for all public types except Recrypt.
    • Add Eq for all types which had PartialEq.

  • [#101]

    • Eliminate the Revealed wrappers for PrivateKey, Plaintext, and DerivedSymmetricKey.
    • Implement PartialEq for PrivateKey, Plaintext, and DerivedSymmetricKey.

Notable internal changes

  • [#101]

    • Eliminate the Revealed wrapper for SigningKeypair.
    • Implement PartialEq for SigningKeypair.

  • [#104]

    • Move to use constant time eq for all properties that have bytes().
    • Use derivative to derive PartialEq and Hash instead of hand crafted implementations.

0.9.2

Public API changes

  • [#99] Implement Clone for Plaintext.

0.9.1

Notable internal changes

  • [#98] Fix the dependency pinning for ed25519-dalek to be exact.

0.9.0

Public API changes

  • [#95]
    • Remove Add and Sub from PrivateKey.
    • Add augment and augment_minus to PrivateKey, which correctly support private key rotation.

0.8.4

Notable internal changes

  • Fix a regression introduced in 0.8.0 where the randomness for some operations was reduced.

Affected 256-bit operations in 0.8.0 through 0.8.3 were:

  • CryptoOps::gen_plaintext
  • CryptoOps::transform
  • KeyGenOps::generate_transform_key

480-bit operations were not affected.

0.8.3

Notable internal changes

  • [#90] Update lazy_static to 1.4.

0.8.2

Public API changes

  • [#87] Implement Add and Sub for PrivateKey to support private key augmentation.

0.8.1

Notable internal changes

  • [#85] Update lazy_static to 1.3.

0.8.0

Public API changes

  • [#82]
    • Remove mutable references from public API. This makes sharing a single Recrypt among threads possible.
    • Change default RNG from ThreadRng to ReseedingRng<rand_chacha::ChaChaCore, EntropyRng>.
    • Add DefaultRng type alias to public API.

0.7.1

Notable internal changes

  • [#81] Add a default set of features to enable ed2559-dalek's 64-bit backend and a wasm feature that will instead use a 32-bit backend.

0.7.0

Public API changes

  • [#57]
    • Rename api::Api to api::Recrypt.
    • Rename api_480::Api480 to api_480::Recrypt480.
    • Rename ApiErr to RecryptErr and publicly export RecryptErr.
    • Make PrivateKey::ENCODED_SIZE_BYTES public.
  • [#63]
    • Add a prelude for easier importing of common types and traits.
      • use recrypt::prelude::*
  • [#70]
    • Implement DerivedSymmetricKey.to_private_key.
    • Change PublicKey APIs to take all arguments as borrows.
  • [#71]
    • Implement From<SigningKeyPair> instance for [u8; 64].
    • Implement Clone for PrivateKey.
    • Allow many wrapped byte types to be consumed to get the underlying bytes without copying.
  • [#72] Change PublicSigningKey.bytes method to return a reference instead of copying.

0.6.2

Notable internal changes

  • [#54] Consume gridiron 0.6.0, fixing some performance issues.
  • [#55] Optimize Xi inverse, multiplication, etc.

0.6.1

Notable internal changes

  • [#47] Document behavior of normalize for HomogeneousPoint and TwistedHPoint and remove panic from pairing.
  • [#50] Update to use Monty representation for all 256-bit operations.
  • [#52] Update to use Monty representation for all 480-bit operations.

0.6.0

Public API changes

  • [#35] Implement 480-bit public API. See api_480.rs.

Notable internal changes

  • [#27] Use Rust 2018 edition.
  • Progress toward Constant Time algorithms
    • [#42] Document Fp is_one and is_zero to not be constant time.
    • [#40] Use u32 for Fp Mul and Add and document to not be constant time.
    • [#39] Implement point negation in constant time.
    • [#37] Document Fp12 and Fp6 to_fp2 constant time behavior.
    • [#26] Implement point double and add functions in constant time.

0.5.1

  • [#24] Add better errors for Ed25519 and NonEmptyVec.

0.5.0

  • [#21]
    • Consume gridiron 0.4.0 (primatives are now constant time).
    • Rename NonAdjacentForm to BitRepr.

0.4.0

  • [#20] Update dependencies (rand 0.6, sha 0.8, ed25519 1.0.0-pre.0).
  • [#18] Add a way to hash a Plaintext to 32 bytes.
  • [#17] Add quick_error for all of our error ADTs.
  • [#14] Add benchmarking on Travis.

0.3.0

  • [#13] Implement Hashable for TransformKey.
  • [#12] Add lto for release builds to show more realistic performance.
  • [#10] Change Ed25519 PrivateKey type to SigningKeypair.
  • [#9] Change README to remove hardcoded versions and point to recrypt.rs.
  • [#8] Rework macros to eliminate compiler warnings.