SagePtr

<?php declare(strict_types=1);

/**
 * This is free and unencumbered software released into the public domain.
 *
 * Anyone is free to copy, modify, publish, use, compile, sell, or
 * distribute this software, either in source code form or as a compiled
 * binary, for any purpose, commercial or non-commercial, and by any
 * means.
 * 

SagePtr

<?php

class DerHelpers
{

    public const COSE_ALG_EDDSA = -8;
    public const COSE_ALG_ES256 = -7;
    public const COSE_ALG_RS256 = -257;

    public const COSE_KTY_OKP = 1;

SagePtr

const { Combination } = require("js-combinatorics");

const and = (a,b) => a & b;
const nor = (a,b) => !(a | b);
const or = (a,b) => (a | b);
const nand = (a,b) => !(a & b);
const b2i = (a) => a ? 1 : 0;

const ops = [
    {'name': 'and', 'fn': and},