fix: reject non-canonical ASN.1 INTEGER encodings#52
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Co-authored-by: OpenCode <opencode-noreply@coinbase.com>
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Summary
Security value
This removes alternate encodings of the same ECDSA r/s or ASN.1 integer value, reducing certificate byte malleability and parser disagreement with DER-strict tooling.
Tests
Note
Latest main already fails test_DeployableContractsFitEIP170 locally with CertManager runtime bytes 24,708 > 24,576, so full-suite verification remains blocked by that pre-existing size issue.