void
rdataFromString(Tokenizer st, Name origin) throws IOException
{
	hashAlg = st.getUInt8();
	flags = st.getUInt8();
	iterations = st.getUInt16();

	String s = st.getString();
	if (s.equals("-"))
		salt = null;
	else {
		st.unget();
		salt = st.getHexString();
		if (salt.length > 255)
			throw st.exception("salt value too long");
	}
}
Creates an NSEC3PARAM record from the given data.

@param name The ownername of the NSEC3PARAM record (generally the zone name).
@param dclass The class.
@param ttl The TTL.
@param hashAlg The hash algorithm.
@param flags The value of the flags field.
@param iterations The number of hash iterations.
@param salt The salt to use (may be null).
src/main/java/core/org/xbill/DNS/NSEC3PARAMRecord.java