Cryptography library audit

Polkadot micro-sr25519 security audit

micro-sr25519 is a TypeScript implementation of the sr25519 signature scheme used in the Polkadot ecosystem; the audit covered Schnorr signatures over Ristretto, hard and soft HD key derivation, and VRF outputs with proofs.

Polkadot micro-sr25519 logo

About this audit

Codezen audited Polkadot micro-sr25519 together with Oak Security. Technologies in scope: Cryptography, TypeScript and Polkadot. We reported 11 findings: 7 minor and 4 informational.

Findings by severity

  • Critical 0 critical findings
  • Major 0 major findings
  • Minor 7 minor findings
  • Info 4 informational findings

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