On Mon, Nov 14, 2016, Blumenthal, Uri - 0553 - MITLL wrote:
> As "-list-curves" is not supposed to work here, what would be a good way to
> tell if a given installation supports X25519?
>
Well only OpenSSL 1.1.0 currently supports X25519. One way is to look at
the output of:
openssl list -public-key-algorithms
Though that command doesn't exist before OpenSSL 1.1.0. Alternatively just
generate a private key with:
openssl genpkey -algorithm X25519
Which will work in OpenSSL 1.1.0 but give an error in previous versions.
Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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