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@dependabot dependabot bot commented on behalf of github Aug 26, 2025

Bumps @noble/curves from 1.4.0 to 2.0.0.

Release notes

Sourced from @​noble/curves's releases.

2.0.0

High-level

v2 massively simplifies internals, improves security, reduces bundle size and lays path for the future. To simplify upgrading, upgrade first to curves 1.9.x. It would show deprecations in vscode-like text editor. Fix them first.

  • The package is now ESM-only. ESM can finally be loaded from common.js on node v20.19+
    • Node v20.19 is now the minimum required version
    • Package imports now work correctly in bundler-less environments, such as browsers
    • Reduces npm package size (traffic consumed): 354KB => 300KB
    • Reduces unpacked npm size (on-disk space): 2.1MB => 1.2MB
  • Make bundle sizes smaller, compared to v1.x: -4KB for schnorr, -5.3KB for ristretto255, -9.4KB for x448
  • .js extension must be used for all modules
    • Old: @noble/curves/ed25519
    • New: @noble/curves/ed25519.js
    • This simplifies working in browsers natively without transpilers

New features

  • webcrypto: create friendly noble-like wrapper over built-in WebCrypto
  • oprf: implement RFC 9497 OPRFs (oblivious pseudorandom functions)
    • We support p256, p384, p521, ristretto255 and decaf448
  • weierstrass, edwards: add isValidSecretKey, isValidPublicKey
  • misc: add Brainpool curves: brainpoolP256r1, brainpoolP384r1, brainpoolP512r1

Changes

  • Most methods now expect Uint8Array, string hex inputs are prohibited
    • The change simplifies reasoning, improves security and reduces malleability
    • Point.fromHex now expects string-only hex inputs, use Point.fromBytes for Uint8Array
  • Breaking changes of ECDSA (secp256k1, p256, p384...):
    • sign, verify: Switch to prehashed messages. Instead of messageHash, the methods now expect unhashed message. To bring back old behavior, use option {prehash: false}
    • sign, verify: Switch to lowS signatures by default. This change doesn't affect secp256k1, which has been using lowS since beginning. To bring back old behavior, use option {lowS: true}
    • sign, verify: Switch to Uint8Array signatures (format: 'compact') by default.
    • verify: der format must be explicitly specified in {format: 'der'}. This reduces malleability
    • verify: prohibit Signature-instance signature. User must now always do signature.toBytes()
  • Breaking changes of BLS signatures (bls12-381, bn254):
    • Move getPublicKey, sign, verify, signShortSignature etc into two new namespaces: bls.longSignatures (G1 pubkeys, G2 sigs) and bls.shortSignatures (G1 sigs, G2 pubkeys).
    • verifyBatch now expects array of inputs {message: ..., publicKey: ...}[]
  • Curve changes:
    • Massively simplify curve creation, split it into point creation & sig generator creation
    • New methods are weierstrass() + ecdsa() / edwards() + eddsa()

... (truncated)

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🔗 zboto Link

Bumps [@noble/curves](https://github.com/paulmillr/noble-curves) from 1.4.0 to 2.0.0.
- [Release notes](https://github.com/paulmillr/noble-curves/releases)
- [Commits](paulmillr/noble-curves@1.4.0...2.0.0)

---
updated-dependencies:
- dependency-name: "@noble/curves"
  dependency-version: 2.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Aug 26, 2025
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