Function pack

vmm/src/x25519.js:1230–1237

(r, p)

        }
    }
    function pack(r, p) {
        var tx = gf(), ty = gf(), zi = gf();
        inv25519(zi, p[2]);
        M(tx, p[0], zi);
        M(ty, p[1], zi);
        pack25519(r, ty);
        r[31] ^= par25519(tx) << 7;
    }
    function scalarmult(p, q, s) {
        var b, i;
        set25519(p[0], gf0);