keygen_generate
p->keygen = keygen_generate(KEYGEN_PKCS5_PBKDF2_SHA1);
p->keygen = keygen_generate(KEYGEN_PKCS5_PBKDF2_SHA1);
kg = keygen_generate(KEYGEN_STOREDKEY);
p->keygen = keygen_generate(KEYGEN_STOREDKEY);
struct keygen *keygen_generate(int);