Fix ECDSA signature malleability #3610
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frangio
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(cherry picked from commit d693d89)
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For reference, this pull request is motivated by this security advisory - GHSA-4h98-2769-gh6h |
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This was referenced Jan 9, 2023
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Fixes a kind of signature malleability that is present in the
ECDSA.recoverandtryRecovervariants that take abytes signatureargument, which can be both 65 bytes long and the compact 64 bytes encoded version.