23 lines
852 B
Solidity
23 lines
852 B
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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/**
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* @dev Abstract contract for signature validation.
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*
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* Developers must implement {_rawSignatureValidation} and use it as the lowest-level signature validation mechanism.
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*
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* @custom:stateless
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*/
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abstract contract AbstractSigner {
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/**
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* @dev Signature validation algorithm.
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*
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* WARNING: Implementing a signature validation algorithm is a security-sensitive operation as it involves
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* cryptographic verification. It is important to review and test thoroughly before deployment. Consider
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* using one of the signature verification libraries (xref:api:utils#ECDSA[ECDSA], xref:api:utils#P256[P256]
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* or xref:api:utils#RSA[RSA]).
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*/
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function _rawSignatureValidation(bytes32 hash, bytes calldata signature) internal view virtual returns (bool);
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}
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