The Cryb libraries include code written by Christophe Devine for the XySSL project and published under a variant of the 3-clause New BSD License. Christophe Devine has graciously granted the Cryb.to project permission to reuse this code under the 3-clause New BSD License. The Cryb libraries include code written by Colin Percival and published under the 2-clause Simplified BSD License. Colin Percival has graciously granted the Cryb.to project permission to reuse this code under the 3-clause New BSD License. The Cryb libraries include code written by Dag-Erling Smørgrav for the University of Oslo. The University of Oslo has graciously granted the Cryb.to project permission to reuse this code under the 3-clause New BSD License. The Cryb libraries include test vectors generated by Joachim Strömbergson and published under the 2-clause Simplified BSD License. Joachim Strömbergson has graciously granted the Cryb.to project permission to reuse this code under the 3-clause New BSD License.