http://idk.i2p/javadoc-i2p/net/i2p/crypto/CertUtil.html
Throws: IOException CertificateEncodingException Since: 0.9.24, pulled out of saveCert(), public since 0.9.25 getSubjectAlternativeNames public static Set < String > getSubjectAlternativeNames ( X509Certificate cert) Get the set of Subject Alternative Names, including
DNSNames, RFC822Names, IPv4 and v6 addresses as strings.
see X509Certificate.getSubjectAlternativeNames() Returns: non-null, empty on error or none found Since: 0.9.34 getSubjectValue public static String ...