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ManuthorManuthor
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chore: Merge branch 'release/v12.0.0'
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‎CHANGELOG.md‎

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All notable changes to this project will be documented in this file.
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## [12.0.0] - 2023-07-11
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### Changed
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- use CryptoCore v9.0
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- remove generics
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- update namings to follow paper updates
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- harden zeroization of private data
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## [11.0.2] - 2023-05-31
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### Documentation

‎Cargo.toml‎

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[package]
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name = "cosmian_cover_crypt"
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version = "11.0.2"
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version = "12.0.0"
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authors = [
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"Théophile Brezot <theophile.brezot@cosmian.com>",
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"Bruno Grieder <bruno.grieder@cosmian.com>",
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harness = false
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[features]
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serialization = ["base64"]
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serialization = []
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test_utils = ["base64"]
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full_bench = ["serialization"]
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hybridized_bench = []
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[dependencies]
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base64 = { version = "0.21.0", optional = true }
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cosmian_crypto_core = "7.1.0"
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# TODO (TBZ): why do we need `std` feature here?
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cosmian_crypto_core = { version = "9.0.0", default-features = false, features = ["ser", "sha3", "aes", "curve25519"] }
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pqc_kyber = { version = "0.4", features = ["std", "hazmat"] }
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serde = { version = "1.0", features = ["derive"] }
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serde_json = "1.0"
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tiny-keccak = { version = "2.0.2", features = ["shake"] }
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zeroize = "1.6.0"
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[dev-dependencies]
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base64 = { version = "0.21.0" }
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criterion = { version = "0.4", features = ["html_reports"], default_features = false }

‎README.md‎

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The size of the serialized keys and encapsulation is given by the following formulas:
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- master secret key:
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$$2 \cdot L_{sk} + \texttt{LEB128sizeof}(|\mathcal{P}|) + \sum\limits_{p~\in~\mathcal{P}} \left( \texttt{LEB128sizeof}(\texttt{sizeof}(p)) + \texttt{sizeof}(p) + 1 + L_{sk} + \delta_{p,~h} \cdot L_{sk}^{pq}\right)$$
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$$3 \cdot L_{sk} + \texttt{LEB128sizeof}(|\mathcal{P}|) + \sum\limits_{p~\in~\mathcal{P}} \left( \texttt{LEB128sizeof}(\texttt{sizeof}(p)) + \texttt{sizeof}(p) + 1 + L_{sk} + \delta_{p,~h} \cdot L_{sk}^{pq}\right)$$
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- public key:
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$$2 \cdot L_{pk} + \texttt{LEB128sizeof}(|\mathcal{P}|) + \sum\limits_{p~\in~\mathcal{P}} \left( \texttt{LEB128sizeof}(\texttt{sizeof}(p)) + \texttt{sizeof}(p) + 1 + L_{pk} + \delta_{p,~h} \cdot L_{pk}^{pq}\right)$$
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- user secret key:

‎benches/BENCHMARKS_classic.md‎

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# Benchmarks for CoverCrypt: classic implementation (pre-quantum)
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# Benchmarks for Covercrypt: classic implementation (pre-quantum)
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## Table of Contents
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- [Overview](#overview)
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- [Benchmark Results](#benchmark-results)
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- [Header encryption](#header-encryption)
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- [Header encryption + decryption](#header-encryption-and-decryption)
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- [Key serialization](#key-serialization)
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- [Header serialization](#header-serialization)
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- [Header encryption](#header-encryption)
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- [Header encryption and decryption](#header-encryption-and-decryption)
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- [Key serialization](#key-serialization)
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- [Header serialization](#header-serialization)
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## Overview
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This is a benchmark comparison report.
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## Benchmark Results
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### Header encryption
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| | `1 partition(s), 1 access` | `2 partition(s), 1 access` | `3 partition(s), 1 access` | `4 partition(s), 1 access` | `5 partition(s), 1 access` |
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|:-------|:------------------------------------|:------------------------------------|:------------------------------------|:------------------------------------|:------------------------------------ |
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| | `293.43 us` (✅ **1.00x**) | `367.53 us` (*1.25x slower*) | `450.77 us` (*1.54x slower*) | `588.11 us` (*2.00x slower*) | `627.62 us` (*2.14x slower*) |
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| | `133.32 us` (**1.00x**) | `182.22 us` (*1.37x slower*) | `230.37 us` (*1.73x slower*) | `278.18 us` (*2.09x slower*) | `335.55 us` (*2.52x slower*) |
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### Header encryption and decryption
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| | `ciphertexts with 1 partition(s), usk with 1 partitions` | `ciphertexts with 2 partition(s), usk with 1 partitions` | `ciphertexts with 3 partition(s), usk with 1 partitions` | `ciphertexts with 4 partition(s), usk with 1 partitions` | `ciphertexts with 5 partition(s), usk with 1 partitions` | `ciphertexts with 1 partition(s), usk with 2 partitions` | `ciphertexts with 2 partition(s), usk with 2 partitions` | `ciphertexts with 3 partition(s), usk with 2 partitions` | `ciphertexts with 4 partition(s), usk with 2 partitions` | `ciphertexts with 5 partition(s), usk with 2 partitions` | `ciphertexts with 1 partition(s), usk with 3 partitions` | `ciphertexts with 2 partition(s), usk with 3 partitions` | `ciphertexts with 3 partition(s), usk with 3 partitions` | `ciphertexts with 4 partition(s), usk with 3 partitions` | `ciphertexts with 5 partition(s), usk with 3 partitions` |
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|:-------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------ |
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| | `491.23 us` (✅ **1.00x**) | `632.31 us` (*1.29x slower*) | `752.58 us` (*1.53x slower*) | `876.77 us` (*1.78x slower*) | `1.04 ms` (*2.12x slower*) | `487.07 us` (✅ **1.01x faster**) | `662.65 us` (*1.35x slower*) | `852.29 us` (*1.74x slower*) | `1.01 ms` (*2.06x slower*) | `1.16 ms` (*2.37x slower*) | `565.50 us` (*1.15x slower*) | `795.23 us` (*1.62x slower*) | `1.01 ms` (*2.05x slower*) | `1.22 ms` (*2.48x slower*) | `1.43 ms` (*2.91x slower*) |
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| | `ciphertexts with 1 partition(s), usk with 1 partitions` | `ciphertexts with 2 partition(s), usk with 1 partitions` | `ciphertexts with 3 partition(s), usk with 1 partitions` | `ciphertexts with 4 partition(s), usk with 1 partitions` | `ciphertexts with 5 partition(s), usk with 1 partitions` | `ciphertexts with 1 partition(s), usk with 2 partitions` | `ciphertexts with 2 partition(s), usk with 2 partitions` | `ciphertexts with 3 partition(s), usk with 2 partitions` | `ciphertexts with 4 partition(s), usk with 2 partitions` | `ciphertexts with 5 partition(s), usk with 2 partitions` | `ciphertexts with 1 partition(s), usk with 3 partitions` | `ciphertexts with 2 partition(s), usk with 3 partitions` | `ciphertexts with 3 partition(s), usk with 3 partitions` | `ciphertexts with 4 partition(s), usk with 3 partitions` | `ciphertexts with 5 partition(s), usk with 3 partitions` | `ciphertexts with 1 partition(s), usk with 4 partitions` | `ciphertexts with 2 partition(s), usk with 4 partitions` | `ciphertexts with 3 partition(s), usk with 4 partitions` | `ciphertexts with 4 partition(s), usk with 4 partitions` | `ciphertexts with 5 partition(s), usk with 4 partitions` | `ciphertexts with 1 partition(s), usk with 5 partitions` | `ciphertexts with 2 partition(s), usk with 5 partitions` | `ciphertexts with 3 partition(s), usk with 5 partitions` | `ciphertexts with 4 partition(s), usk with 5 partitions` | `ciphertexts with 5 partition(s), usk with 5 partitions` |
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|:-------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------|:------------------------------------------------------------------ |
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| | `236.02 us` (**1.00x**) | `293.92 us` (*1.25x slower*) | `356.80 us` (*1.51x slower*) | `419.65 us` (*1.78x slower*) | `480.53 us` (*2.04x slower*) | `229.46 us` (**1.03x faster**) | `310.51 us` (*1.32x slower*) | `406.11 us` (*1.72x slower*) | `484.32 us` (*2.05x slower*) | `565.05 us` (*2.39x slower*) | `227.64 us` (**1.04x faster**) | `339.10 us` (*1.44x slower*) | `450.91 us` (*1.91x slower*) | `543.62 us` (*2.30x slower*) | `645.11 us` (*2.73x slower*) | `312.85 us` (*1.33x slower*) | `446.54 us` (*1.89x slower*) | `572.54 us` (*2.43x slower*) | `689.37 us` (*2.92x slower*) | `810.78 us` (*3.44x slower*) | `231.57 us` (**1.02x faster**) | `375.80 us` (*1.59x slower*) | `527.09 us` (*2.23x slower*) | `661.97 us` (*2.80x slower*) | `814.49 us` (*3.45x slower*) |
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### Key serialization
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| | `MSK` | `MPK` | `USK 1 partition` |
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|:-------|:--------------------------|:----------------------------------|:-------------------------------- |
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| | `443.45 ns` (✅ **1.00x**) | `85.07 us` (*191.84x slower*) | `58.34 ns` (**7.60x faster**) |
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| | `MSK` | `MPK` | `USK 1 partition` |
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|:-------|:--------------------------|:----------------------------------|:--------------------------------- |
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| | `801.07 ns` (**1.00x**) | `83.76 us` (*104.55x slower*) | `118.50 ns` (**6.76x faster**) |
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### Header serialization
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| | `1 partition(s)` | `2 partition(s)` | `3 partition(s)` | `4 partition(s)` | `5 partition(s)` |
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|:-------|:--------------------------|:--------------------------------|:--------------------------------|:--------------------------------|:-------------------------------- |
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| | `12.15 us` (✅ **1.00x**) | `12.20 us` (✅ **1.00x slower**) | `12.16 us` (✅ **1.00x slower**) | `12.19 us` (✅ **1.00x slower**) | `12.13 us` (✅ **1.00x faster**) |
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| | `10.27 us` (**1.00x**) | `10.25 us` (**1.00x faster**) | `10.40 us` (**1.01x slower**) | `10.41 us` (**1.01x slower**) | `10.53 us` (**1.02x slower**) |
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---
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Made with [criterion-table](https://github.com/nu11ptr/criterion-table)

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