refactor recurring code default to RSA_F4 instead of RSA_3 as RSA exponent
refactor recurring code
default to RSA_F4 instead of RSA_3 as RSA exponent


gegenschall/ldns,threatstack/libldns,benlaurie/ldns,benlaurie/ldns,NLnetLabs/ldns,NLnetLabs/ldns,threatstack/libldns,benlaurie/ldns,threatstack/libldns,NLnetLabs/ldns,NLnetLabs/ldns,gegenschall/ldns,gegenschall/ldns,threatstack/libldns,benlaurie/ldns,gegenschall/ldns,threatstack/libldns