Submitted:
June 30, 2017 under the rules in RFC 8179.
Note: Updates to IPR disclosures must only be made by authorized
representatives of the original submitters. Updates will automatically
be forwarded to the current Patent Holder's Contact and to the Submitter
of the original IPR disclosure.
IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 8179
A. For granted patents or published pending patent applications, please provide the following information:
Patent, Serial,
Publication, Registration,
or Application/File number(s)
US Patent 7,437,558B2, "Method and system for verifying identification of an electronic mail message," contains claims relating to the use of key fingerprints obtained from a "key registration server" to verify the validity of a cryptographic signature whose public key is included in an email message. It is possible that the publication of DKIM key fingerprints in DNS records that is proposed in this draft is covered by this patent.
B. Does this disclosure relate to an unpublished pending patent application?: