8000 Signing and verifying a message using ECDSA sometimes fails · Issue #1898 · polkadot-js/common · GitHub
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Signing and verifying a message using ECDSA sometimes fails #1898
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@rjwebb

Description

@rjwebb
  • I'm submitting a ...

    • Bug report
    • Feature request
    • Support request
    • Other
  • What is the current behavior and expected behavior?

Expected behaviour: I should be able to generate a KeyringPair that signs messages using the ECDSA algorithm and verify the signatures against the message + the KeyringPair's public key

Current behaviour: This works most of the time, approx 99/100 times, but sometimes the verification fails.

  • What is the motivation for changing the behavior?

I'm working on a project that relies on being able to sign and verify data from the KeyringPair or from Polkadot wallets so I want to be able to rely on this functionality.

  • Please tell us about your environment:

I'm using @polkadot/keyring, @polkadot/util and @polkadot/util-crypto at the latest version as of writing (12.6.1).

I've created a minimal repository here that reproduces the bug: https://github.com/rjwebb/polkadot-ecdsa-bug-reproduction

  • Version: 12.6.1

  • Environment: Node v18.17.1

    • Node.js
    • Browser
    • Other (limited support for other environments)
  • Language:

    • JavaScript
    • TypeScript (include tsc --version) 5.2.2
    • Other

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    BugTracks issues causing errors or unintended behavior, critical to fix for reliability.Help WantedTasks open for external contributions, suitable for independent or collaborative work.P1 - HighEssential for progress, blocks other tasks. Must be completed soon to maintain project flow.

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