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ERC-7969 DomainKeys Identified Mail (DKIM) Registry

DraftERCcreated 2025-06-11

A registry for DKIM public key hashes, enabling on-chain verification.

Authors: Mike Fu (@fumeng00mike), Matthew Yu (@0xknon), Ernesto García (@ernestognw)

ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

IDKIMRegistry0xdee3d600

Functions this standard introduces (1)

0xdee3d600isKeyHashValid(bytes32,bytes32)view

Events (2)

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

0xfe6ab6170093d067c73a76283d6ce3d5ad9a545ea4d4f446e7a8b3e37f856182KeyHashRegistered(bytes32,bytes32)
0x1afa6bfa9b4742fd97ad65957a6907f89cf87c87232e1d05a1961d6fe8204c0cKeyHashRevoked(bytes32)

What the specification covers

AbstractMotivationSpecificationInterfaceDomain HashKey HashDKIM Public Key Specification

Compare with

Parsed from the canonical specification · discussion