Signature malleability.md

23 - Signature malleability

The ecrecover function is susceptible to signature malleability which could lead to replay attacks.

Consider using OpenZeppelin’s ECDSA library. (see here, here and here)

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Slide Screenshot

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Slide Text

• EVM ecrecover Signature Malleability
• Sig -> (v, r, s)
• Checks s -> Lower Range
• Replay Attacks
• Use OZ ECDSA

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References

• Youtube Reference

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