> On Jan 16, 2017, at 4:35 AM, Matt Caswell <matt@xxxxxxxxxxx> wrote:
>
> OpenSSL only supports ECDH (for key exchange) and ECDSA (for digital
> signatures) for elliptic curve keys, i.e. there are no ec encryption
> algorithms available.
That said, IIRC CMS supports EC public keys, by performing off-line
ECDH:
commit 88e20b8584a78c803eca7aa9fcf8c46ff0ece4ae
Author: Dr. Stephen Henson <steve@xxxxxxxxxxx>
Date: Wed Jul 17 15:13:37 2013 +0100
Add support for ECDH KARI.
Add support for ECDH in enveloped data. The CMS ctrls for the EC ASN1
method decode/encode the appropriate parameters from the CMS ASN1 data
and send appropriate data to the EC public key method.
And further refinements in later commits.
--
Viktor.
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