| =pod |
| |
| =head1 NAME |
| |
| EVP_KEYEXCH-X25519, |
| EVP_KEYEXCH-X448 |
| - X25519 and X448 Key Exchange algorithm support |
| |
| =head1 DESCRIPTION |
| |
| Key exchange support for the B<X25519> and B<X448> key types. |
| |
| =head2 Key exchange parameters |
| |
| =over 4 |
| |
| =item "pad" (B<OSSL_EXCHANGE_PARAM_PAD>) <unsigned integer> |
| |
| See L<provider-keyexch(7)/Common Key Exchange parameters>. |
| |
| =back |
| |
| =head1 EXAMPLES |
| |
| Keys for the host and peer can be generated as shown in |
| L<EVP_PKEY-X25519(7)/Examples>. |
| |
| The code to generate a shared secret is identical to |
| L<EVP_KEYEXCH-DH(7)/Examples>. |
| |
| =head1 SEE ALSO |
| |
| L<EVP_PKEY-FFC(7)>, |
| L<EVP_PKEY-DH(7)> |
| L<EVP_PKEY(3)>, |
| L<provider-keyexch(7)>, |
| L<provider-keymgmt(7)>, |
| L<OSSL_PROVIDER-default(7)>, |
| L<OSSL_PROVIDER-FIPS(7)>, |
| |
| =head1 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 |
| L<https://www.openssl.org/source/license.html>. |
| |
| =cut |
