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docs: document P256 ERC-7913 key format #6084

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docs: document P256 ERC-7913 key format #6084

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5 changes: 5 additions & 0 deletions contracts/utils/cryptography/verifiers/ERC7913P256Verifier.sol
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Expand Up @@ -9,6 +9,11 @@ import {IERC7913SignatureVerifier} from "../../../interfaces/IERC7913.sol";
/**
* @dev ERC-7913 signature verifier that support P256 (secp256r1) keys.
*
* Key format:
* - The `key` MUST be a 64-byte concatenation of the P256 public key coordinates `qx || qy`.
* - Each coordinate is a 32-byte big-endian value (`bytes32`).
* - SEC1 prefixes are not accepted and compressed keys are not supported.
*
* @custom:stateless
*/
contract ERC7913P256Verifier is IERC7913SignatureVerifier {
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