Test DTLS cookie generation and verification
Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/7431)
Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/7431)
mentioned in commit 6c529877
·mentioned in commit 6c529877