[Smcwg-public] Informal poll on ECC
Stephen Davidson
Stephen.Davidson at digicert.com
Wed Oct 27 18:08:31 UTC 2021
* Only 16 CAs responded to the informal poll regarding the use of ECC.
* 6 of the 16 CAs currently issue end-entity S/MIME certificates containing ECC public keys (although a majority indicated plans to do so).
* Of those CAs who currently issue ECC S/MIME, the following curves were supported:
* 6 CAs support ECDSA P-256
* 5 CAs support ECDSA P-384
* 3 CAs support ECDSA P-521
* Other: 1 CA supports Brainpool
* No CAs reported current support for the Royal-Holloway key escrow scheme (keyUsages of encipherOnly and decipherOnly).
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