On Fri, 2021-04-23 at 11:12 -0400, Stefan Berger wrote: > Add support for using elliptic curve keys for signing modules. It uses > a NIST P384 (secp384r1) key if the user chooses an elliptic curve key > and will have ECDSA support built into the kernel. > > Note: A developer choosing an ECDSA key for signing modules should still > delete the signing key (rm certs/signing_key.*) when building an older > version of a kernel that only supports RSA keys. Unless kbuild automati- > cally detects and generates a new kernel module key, ECDSA-signed kernel > modules will fail signature verification. > > Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> Tested-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>