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Shamir's secret sharing algorithm #7

Merged
merged 8 commits into from
Apr 6, 2024
Merged

Shamir's secret sharing algorithm #7

merged 8 commits into from
Apr 6, 2024

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supragya
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@supragya supragya commented Apr 6, 2024 •
edited by coderabbitai bot
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Summary by CodeRabbit

  • New Features
    • Introduced Shamir's Secret Sharing functionality, allowing for a secret to be split into parts and reconstructed from a subset of those parts.
    • Added methods to generate powers of a base and generate a polynomial from evaluation points.

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coderabbitai bot commented Apr 6, 2024 •
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Walkthrough

This update involves the addition of Shamir's Secret Sharing scheme implementation in Rust, featuring a new file named lib.rs. It illustrates a method for splitting a secret into fragments, where a specific subset of these fragments is essential for reconstructing the original secret. The functionality is exemplified through a test utilizing polynomial interpolation for secret reconstruction.

Changes

File Change Summary
.../shamir-secret-sharing/src/lib.rs
.../polynomial/src/lib.rs		 Introduced Shamir's Secret Sharing scheme implementation with a demonstration test.
Added external crate nalgebra, methods for generating powers and polynomials, and modified Polynomial<T> constraints.

🐇✨
In the realm of code, where secrets abound,
A rabbit hopped in, with a leap and a bound.
"Shamir's magic," it whispered, "now in Rust,
Split secrets in parts, in this code we trust.
Together we join, what was once apart,
With polynomial grace, a cryptographic art."
🥕🎉

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Actionable comments posted: 1

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between faf922f and 021aa0c.
Files ignored due to path filters (1)
  • shamir-secret-sharing/Cargo.toml is excluded by !**/*.toml
Files selected for processing (1)
  • shamir-secret-sharing/src/lib.rs (1 hunks)
Additional comments not posted (1)
shamir-secret-sharing/src/lib.rs (1)

19-19: Clarify the comment regarding the range of random values for the coefficients. The current implementation does not explicitly restrict values to (0, threshold). Consider specifying the actual range used or adjusting the implementation to match the described range.

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Actionable comments posted: 3

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between 021aa0c and acfc5f8.
Files ignored due to path filters (2)
  • Cargo.toml is excluded by !**/*.toml
  • polynomial/Cargo.toml is excluded by !**/*.toml
Files selected for processing (1)
  • polynomial/src/lib.rs (3 hunks)
Additional comments not posted (2)
polynomial/src/lib.rs (2)

7-8: LGTM! The addition of nalgebra and the use of traits from num_traits are appropriate for the operations required in this implementation.

106-109: LGTM! The eval method is correctly implemented for evaluating polynomials across different representations.

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@supragya @coderabbitai
Update polynomial/src/lib.rs
2610344 
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between acfc5f8 and 2610344.
Files selected for processing (1)
  • polynomial/src/lib.rs (3 hunks)
Files skipped from review as they are similar to previous changes (1)
  • polynomial/src/lib.rs

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Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between 2610344 and b587a2b.
Files selected for processing (3)
  • .github/workflows/ci.yaml (1 hunks)
  • polynomial/src/lib.rs (3 hunks)
  • shamir-secret-sharing/src/lib.rs (1 hunks)
Files skipped from review as they are similar to previous changes (1)
  • shamir-secret-sharing/src/lib.rs
Additional comments not posted (5)
.github/workflows/ci.yaml (1)

55-56: Consider re-enabling the beta and nightly Rust versions in the CI configuration or provide a rationale for their exclusion. Testing against these versions can help catch compatibility issues with future Rust versions early.

polynomial/src/lib.rs (4)

7-7: LGTM! The addition of nalgebra supports the mathematical operations required by the implementation.

68-76: LGTM! The generate_powers method is implemented correctly and efficiently.

86-116: LGTM! The new_from_evals method correctly generates a polynomial from evaluation points, and the previous issue regarding the return type has been addressed.

64-67: LGTM! The modifications to constraints for Polynomial<T> implementation are necessary and ensure type safety and correctness of operations.

Also applies to: 80-81, 120-121

@supragya supragya changed the title basic secret-shamir-sharing Shamir's secret sharing algorithm Apr 6, 2024
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Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between b587a2b and 26f96a0.
Files selected for processing (1)
  • shamir-secret-sharing/src/lib.rs (1 hunks)
Files skipped from review as they are similar to previous changes (1)
  • shamir-secret-sharing/src/lib.rs

@supragya supragya merged commit 11eb36d into main Apr 6, 2024
4 checks passed
@supragya supragya deleted the supragya/shamir-secret-sharing branch April 6, 2024 08:57
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