1# 0.8.2 (2024-03-17)
 2
 3* Updated `no-std` approach to be in sync with winterfell v0.8.3 release (#290).
 4
 5## 0.8.1 (2024-02-21)
 6
 7* Fixed clippy warnings (#280)
 8
 9## 0.8.0 (2024-02-14)
10
11* Implemented the `PartialMmr` data structure (#195).
12* Implemented RPX hash function (#201).
13* Added `FeltRng` and `RpoRandomCoin` (#237).
14* Accelerated RPO/RPX hash functions using AVX512 instructions (#234).
15* Added `inner_nodes()` method to `PartialMmr` (#238).
16* Improved `PartialMmr::apply_delta()` (#242).
17* Refactored `SimpleSmt` struct (#245).
18* Replaced `TieredSmt` struct with `Smt` struct (#254, #277).
19* Updated Winterfell dependency to v0.8 (#275).
20
21## 0.7.1 (2023-10-10)
22
23* Fixed RPO Falcon signature build on Windows.
24
25## 0.7.0 (2023-10-05)
26
27* Replaced `MerklePathSet` with `PartialMerkleTree` (#165).
28* Implemented clearing of nodes in `TieredSmt` (#173).
29* Added ability to generate inclusion proofs for `TieredSmt` (#174).
30* Implemented Falcon DSA (#179).
31* Added conditional `serde`` support for various structs (#180).
32* Implemented benchmarking for `TieredSmt` (#182).
33* Added more leaf traversal methods for `MerkleStore` (#185).
34* Added SVE acceleration for RPO hash function (#189).
35
36## 0.6.0 (2023-06-25)
37
38* [BREAKING] Added support for recording capabilities for `MerkleStore` (#162).
39* [BREAKING] Refactored Merkle struct APIs to use `RpoDigest` instead of `Word` (#157).
40* Added initial implementation of `PartialMerkleTree` (#156).
41
42## 0.5.0 (2023-05-26)
43
44* Implemented `TieredSmt` (#152, #153).
45* Implemented ability to extract a subset of a `MerkleStore` (#151).
46* Cleaned up `SimpleSmt` interface (#149).
47* Decoupled hashing and padding of peaks in `Mmr` (#148).
48* Added `inner_nodes()` to `MerkleStore` (#146).
49
50## 0.4.0 (2023-04-21)
51
52- Exported `MmrProof` from the crate (#137).
53- Allowed merging of leaves in `MerkleStore` (#138).
54- [BREAKING] Refactored how existing data structures are added to `MerkleStore` (#139).
55
56## 0.3.0 (2023-04-08)
57
58- Added `depth` parameter to SMT constructors in `MerkleStore` (#115).
59- Optimized MMR peak hashing for Miden VM (#120).
60- Added `get_leaf_depth` method to `MerkleStore` (#119).
61- Added inner node iterators to `MerkleTree`, `SimpleSmt`, and `Mmr` (#117, #118, #121).
62
63## 0.2.0 (2023-03-24)
64
65- Implemented `Mmr` and related structs (#67).
66- Implemented `MerkleStore` (#93, #94, #95, #107 #112).
67- Added benchmarks for `MerkleStore` vs. other structs (#97).
68- Added Merkle path containers (#99).
69- Fixed depth handling in `MerklePathSet` (#110).
70- Updated Winterfell dependency to v0.6.
71
72## 0.1.4 (2023-02-22)
73
74- Re-export winter-crypto Hasher, Digest & ElementHasher (#72)
75
76## 0.1.3 (2023-02-20)
77
78- Updated Winterfell dependency to v0.5.1 (#68)
79
80## 0.1.2 (2023-02-17)
81
82- Fixed `Rpo256::hash` pad that was panicking on input (#44)
83- Added `MerklePath` wrapper to encapsulate Merkle opening verification and root computation (#53)
84- Added `NodeIndex` Merkle wrapper to encapsulate Merkle tree traversal and mappings (#54)
85
86## 0.1.1 (2023-02-06)
87
88- Introduced `merge_in_domain` for the RPO hash function, to allow using a specified domain value in the second capacity register when hashing two digests together.
89- Added a simple sparse Merkle tree implementation.
90- Added re-exports of Winterfell RandomCoin and RandomCoinError.
91
92## 0.1.0 (2022-12-02)
93
94- Initial release on crates.io containing the cryptographic primitives used in Miden VM and the Miden Rollup.
95- Hash module with the BLAKE3 and Rescue Prime Optimized hash functions.
96    - BLAKE3 is implemented with 256-bit, 192-bit, or 160-bit output.
97    - RPO is implemented with 256-bit output.
98- Merkle module, with a set of data structures related to Merkle trees, implemented using the RPO hash function.