add Ed25519 (15) and Ed448 (16) algorithms
add Ed25519 (15) and Ed448 (16) algorithms

dotse/dnscheck,dotse/dnscheck,NZRS/dnscheck,NZRS/dnscheck,dotse/dnscheck,NZRS/dnscheck,dotse/dnscheck,NZRS/dnscheck,NZRS/dnscheck,dotse/dnscheck,dotse/dnscheck,NZRS/dnscheck