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The official Couchbase JVM Core IO Library

There is a newer version: 3.7.2

// SPDX-License-Identifier: BSD-3-Clause
package com.couchbase.client.core.deps.org.xbill.DNS;

/**
 * Child Delegation Signer record as specified in RFC 8078.
 *
 * @see DNSSEC
 * @see RFC 8078: Managing DS Records from the Parent
 *     via CDS/CDNSKEY
 */
public class CDSRecord extends DSRecord {
  CDSRecord() {}

  /**
   * Creates a CDS Record from the given data
   *
   * @param footprint The original KEY record's footprint (keyid).
   * @param alg The original key algorithm.
   * @param digestid The digest id code.
   * @param digest A hash of the original key.
   */
  public CDSRecord(
      Name name, int dclass, long ttl, int footprint, int alg, int digestid, byte[] digest) {
    super(name, Type.CDS, dclass, ttl, footprint, alg, digestid, digest);
  }

  /**
   * Creates a CDS Record from the given data
   *
   * @param digestid The digest id code.
   * @param key The key to digest
   */
  public CDSRecord(Name name, int dclass, long ttl, int digestid, DNSKEYRecord key) {
    super(
        name,
        Type.CDS,
        dclass,
        ttl,
        key.getFootprint(),
        key.getAlgorithm(),
        digestid,
        DNSSEC.generateDSDigest(key, digestid));
  }
}