NAME

       EVP_KEYEXCH-X25519, EVP_KEYEXCH-X448 - X25519 and X448 Key Exchange algorithm support

DESCRIPTION

       Key exchange support for the X25519 and X448 key types.

   Key exchange parameters
       "pad" (OSSL_EXCHANGE_PARAM_PAD) <unsigned integer>
           See "Common Key Exchange parameters" in provider-keyexch(7).

EXAMPLES

       Keys for the host and peer can be generated as shown in "Examples" in EVP_PKEY-X25519(7).

       The code to generate a shared secret is identical to "Examples" in EVP_KEYEXCH-DH(7).

SEE ALSO

       EVP_PKEY-FFC(7), EVP_PKEY-DH(7) EVP_PKEY(3), provider-keyexch(7), provider-keymgmt(7),
       OSSL_PROVIDER-default(7), OSSL_PROVIDER-FIPS(7),

COPYRIGHT

       Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the Apache License 2.0 (the "License").  You may not use this file except
       in compliance with the License.  You can obtain a copy in the file LICENSE in the source
       distribution or at <https://www.openssl.org/source/license.html>.