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genpark-poseidon-algebraic-hash-zk-friendly-skill

mcp
Guvenlik Denetimi
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SUMMARY

Poseidon algebraic hash function for STARK/SNARK circuits with S-box power permutations and MDS matrices

README.md

Poseidon Algebraic Hash Skill

High-efficiency, zero-dependency Python implementation of the Poseidon Algebraic Hash Function optimized for ZK-SNARK and STARK circuits.

Features

  • Low Algebraic Degree: Employs (x^5) power S-box permutations minimizing R1CS gate constraints.
  • Maximum Distance Separable (MDS): Linear diffusion layers guaranteeing branch number security against differential cryptanalysis.
  • Zero External Dependencies: Pure Python standard library.
  • Native MCP Protocol: JSON-RPC 2.0 stdio server compatible with Claude Desktop, Cursor, and Windsurf.

Architecture

graph TD
    State["Initial State [s0, s1, s2]"] --> SBox["Non-Linear Layer: S-Box x^5"]
    SBox --> MDS["Linear Layer: MDS Matrix Multiplication"]
    MDS --> Round["Round Counter (3 Full Rounds)"]
    Round --> Digest["Squeezed Hash Digest"]

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