code: public static String getIssuedBy(final X509Certificate certificate)
  	{
  		final X500Principal issuedByPrincipal = certificate.getSubjectX500Principal();
  		final String issuedBy = issuedByPrincipal.getName();
  		return issuedBy;
  	}
docs: Gets the issued by value of the given {@link X509Certificate}.
  
  @param certificate
  the certificate
  @return the issued by value of the given {@link X509Certificate}.