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Carl Oscar Aaro kalaspuff

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kalaspuff / readme.md
Last active June 21, 2023 11:37
Validating Ledger signatures relayed via MetaMask by implementing a simple function that corrects the {v} value of an invalid vrs signature

Validating Ledger signatures relayed via MetaMask

Find the full article at https://mirror.xyz/coa.eth/mvPbLPXvy375CXi1_XwMTzG84lwlSKYUBHDx_R1TIgU, which includes some additional context, descriptions of symptoms, etc.

"Ledger devices produces vrs signatures with a canonical {v} value of 0 or 1."

This write-up goes through some brief details on vrs signatures, what makes signature validation fail on some web apps when signing using a Ledger device connected through MetaMask extension, followed by what to do about it.

- "I'm in hurry and just want things to work."
- "Reasonable. Scroll down some for the fix. It's just four rows of JS + comments."

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kalaspuff / gist:ad61035bf3079960de1755c91887c8c2
Created November 14, 2021 23:15
did:3:kjzl6cwe1jw148pn9suhre0uta2a51c71v3w6mve6fjqkpsa2pi0plq85gd7d0n
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kalaspuff / carloscar.pub
Last active October 29, 2020 03:34
public-keys
-----BEGIN PGP PUBLIC KEY BLOCK-----
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kalaspuff / keybase.md
Created July 28, 2019 11:57

Keybase proof

I hereby claim:

  • I am kalaspuff on github.
  • I am carloscar (https://keybase.io/carloscar) on keybase.
  • I have a public key whose fingerprint is 5A84 DCEE 73C5 7AC1 6DA6 AC95 E05A 9514 6D18 CE4B

To claim this, I am signing this object: