Function inv25519

vmm/src/x25519.js:604–616

(o, i)

        M(o, a, a);
    }
    function inv25519(o, i) {
        var c = gf();
        var a;
        for (a = 0; a < 16; a++)
            c[a] = i[a];
        for (a = 253; a >= 0; a--) {
            S(c, c);
            if (a !== 2 && a !== 4)
                M(c, c, i);
        }
        for (a = 0; a < 16; a++)
            o[a] = c[a];
    }
    function pow2523(o, i) {
        var c = gf();
        var a;