http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.pqc.crypto.qtesla;

class Const
{
    static final int BYTE_SIZE = 8;
    static final int SHORT_SIZE = 16;
    static final int INT_SIZE = 32;
    static final int LONG_SIZE = 64;
}