diff --git a/sw_scripts/nacl.js b/sw_scripts/nacl.js
index 105cce9..bad6ddf 100644
--- a/sw_scripts/nacl.js
+++ b/sw_scripts/nacl.js
@@ -1,779 +1,779 @@
 
-function vn(x, xi, y, yi, n) {
-    var i, d = 0;
-    for (i = 0; i < n; i++) d |= x[xi + i] ^ y[yi + i];
-    return (1 & ((d - 1) >>> 8)) - 1;
-}
-
-function crypto_verify_16(x, xi, y, yi) {
-    return vn(x, xi, y, yi, 16);
-}
-
-var crypto_secretbox_KEYBYTES = 32,
-    crypto_secretbox_NONCEBYTES = 24,
-    crypto_secretbox_ZEROBYTES = 32,
-    crypto_secretbox_BOXZEROBYTES = 16,
-    crypto_scalarmult_BYTES = 32,
-    crypto_scalarmult_SCALARBYTES = 32,
-    crypto_box_PUBLICKEYBYTES = 32,
-    crypto_box_SECRETKEYBYTES = 32,
-    crypto_box_BEFORENMBYTES = 32,
-    crypto_box_NONCEBYTES = crypto_secretbox_NONCEBYTES,
-    crypto_box_ZEROBYTES = crypto_secretbox_ZEROBYTES,
-    crypto_box_BOXZEROBYTES = crypto_secretbox_BOXZEROBYTES,
-    crypto_sign_BYTES = 64,
-    crypto_sign_PUBLICKEYBYTES = 32,
-    crypto_sign_SECRETKEYBYTES = 64,
-    crypto_sign_SEEDBYTES = 32,
-    crypto_hash_BYTES = 64;
-
-
-function core_salsa20(o, p, k, c) {
-    var j0 = c[0] & 0xff | (c[1] & 0xff) << 8 | (c[2] & 0xff) << 16 | (c[3] & 0xff) << 24,
-        j1 = k[0] & 0xff | (k[1] & 0xff) << 8 | (k[2] & 0xff) << 16 | (k[3] & 0xff) << 24,
-        j2 = k[4] & 0xff | (k[5] & 0xff) << 8 | (k[6] & 0xff) << 16 | (k[7] & 0xff) << 24,
-        j3 = k[8] & 0xff | (k[9] & 0xff) << 8 | (k[10] & 0xff) << 16 | (k[11] & 0xff) << 24,
-        j4 = k[12] & 0xff | (k[13] & 0xff) << 8 | (k[14] & 0xff) << 16 | (k[15] & 0xff) << 24,
-        j5 = c[4] & 0xff | (c[5] & 0xff) << 8 | (c[6] & 0xff) << 16 | (c[7] & 0xff) << 24,
-        j6 = p[0] & 0xff | (p[1] & 0xff) << 8 | (p[2] & 0xff) << 16 | (p[3] & 0xff) << 24,
-        j7 = p[4] & 0xff | (p[5] & 0xff) << 8 | (p[6] & 0xff) << 16 | (p[7] & 0xff) << 24,
-        j8 = p[8] & 0xff | (p[9] & 0xff) << 8 | (p[10] & 0xff) << 16 | (p[11] & 0xff) << 24,
-        j9 = p[12] & 0xff | (p[13] & 0xff) << 8 | (p[14] & 0xff) << 16 | (p[15] & 0xff) << 24,
-        j10 = c[8] & 0xff | (c[9] & 0xff) << 8 | (c[10] & 0xff) << 16 | (c[11] & 0xff) << 24,
-        j11 = k[16] & 0xff | (k[17] & 0xff) << 8 | (k[18] & 0xff) << 16 | (k[19] & 0xff) << 24,
-        j12 = k[20] & 0xff | (k[21] & 0xff) << 8 | (k[22] & 0xff) << 16 | (k[23] & 0xff) << 24,
-        j13 = k[24] & 0xff | (k[25] & 0xff) << 8 | (k[26] & 0xff) << 16 | (k[27] & 0xff) << 24,
-        j14 = k[28] & 0xff | (k[29] & 0xff) << 8 | (k[30] & 0xff) << 16 | (k[31] & 0xff) << 24,
-        j15 = c[12] & 0xff | (c[13] & 0xff) << 8 | (c[14] & 0xff) << 16 | (c[15] & 0xff) << 24;
-
-    var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
-        x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14,
-        x15 = j15, u;
-
-    for (var i = 0; i < 20; i += 2) {
-        u = x0 + x12 | 0;
-        x4 ^= u << 7 | u >>> (32 - 7);
-        u = x4 + x0 | 0;
-        x8 ^= u << 9 | u >>> (32 - 9);
-        u = x8 + x4 | 0;
-        x12 ^= u << 13 | u >>> (32 - 13);
-        u = x12 + x8 | 0;
-        x0 ^= u << 18 | u >>> (32 - 18);
-
-        u = x5 + x1 | 0;
-        x9 ^= u << 7 | u >>> (32 - 7);
-        u = x9 + x5 | 0;
-        x13 ^= u << 9 | u >>> (32 - 9);
-        u = x13 + x9 | 0;
-        x1 ^= u << 13 | u >>> (32 - 13);
-        u = x1 + x13 | 0;
-        x5 ^= u << 18 | u >>> (32 - 18);
-
-        u = x10 + x6 | 0;
-        x14 ^= u << 7 | u >>> (32 - 7);
-        u = x14 + x10 | 0;
-        x2 ^= u << 9 | u >>> (32 - 9);
-        u = x2 + x14 | 0;
-        x6 ^= u << 13 | u >>> (32 - 13);
-        u = x6 + x2 | 0;
-        x10 ^= u << 18 | u >>> (32 - 18);
-
-        u = x15 + x11 | 0;
-        x3 ^= u << 7 | u >>> (32 - 7);
-        u = x3 + x15 | 0;
-        x7 ^= u << 9 | u >>> (32 - 9);
-        u = x7 + x3 | 0;
-        x11 ^= u << 13 | u >>> (32 - 13);
-        u = x11 + x7 | 0;
-        x15 ^= u << 18 | u >>> (32 - 18);
-
-        u = x0 + x3 | 0;
-        x1 ^= u << 7 | u >>> (32 - 7);
-        u = x1 + x0 | 0;
-        x2 ^= u << 9 | u >>> (32 - 9);
-        u = x2 + x1 | 0;
-        x3 ^= u << 13 | u >>> (32 - 13);
-        u = x3 + x2 | 0;
-        x0 ^= u << 18 | u >>> (32 - 18);
-
-        u = x5 + x4 | 0;
-        x6 ^= u << 7 | u >>> (32 - 7);
-        u = x6 + x5 | 0;
-        x7 ^= u << 9 | u >>> (32 - 9);
-        u = x7 + x6 | 0;
-        x4 ^= u << 13 | u >>> (32 - 13);
-        u = x4 + x7 | 0;
-        x5 ^= u << 18 | u >>> (32 - 18);
-
-        u = x10 + x9 | 0;
-        x11 ^= u << 7 | u >>> (32 - 7);
-        u = x11 + x10 | 0;
-        x8 ^= u << 9 | u >>> (32 - 9);
-        u = x8 + x11 | 0;
-        x9 ^= u << 13 | u >>> (32 - 13);
-        u = x9 + x8 | 0;
-        x10 ^= u << 18 | u >>> (32 - 18);
-
-        u = x15 + x14 | 0;
-        x12 ^= u << 7 | u >>> (32 - 7);
-        u = x12 + x15 | 0;
-        x13 ^= u << 9 | u >>> (32 - 9);
-        u = x13 + x12 | 0;
-        x14 ^= u << 13 | u >>> (32 - 13);
-        u = x14 + x13 | 0;
-        x15 ^= u << 18 | u >>> (32 - 18);
-    }
-    x0 = x0 + j0 | 0;
-    x1 = x1 + j1 | 0;
-    x2 = x2 + j2 | 0;
-    x3 = x3 + j3 | 0;
-    x4 = x4 + j4 | 0;
-    x5 = x5 + j5 | 0;
-    x6 = x6 + j6 | 0;
-    x7 = x7 + j7 | 0;
-    x8 = x8 + j8 | 0;
-    x9 = x9 + j9 | 0;
-    x10 = x10 + j10 | 0;
-    x11 = x11 + j11 | 0;
-    x12 = x12 + j12 | 0;
-    x13 = x13 + j13 | 0;
-    x14 = x14 + j14 | 0;
-    x15 = x15 + j15 | 0;
-
-    o[0] = x0 >>> 0 & 0xff;
-    o[1] = x0 >>> 8 & 0xff;
-    o[2] = x0 >>> 16 & 0xff;
-    o[3] = x0 >>> 24 & 0xff;
-
-    o[4] = x1 >>> 0 & 0xff;
-    o[5] = x1 >>> 8 & 0xff;
-    o[6] = x1 >>> 16 & 0xff;
-    o[7] = x1 >>> 24 & 0xff;
-
-    o[8] = x2 >>> 0 & 0xff;
-    o[9] = x2 >>> 8 & 0xff;
-    o[10] = x2 >>> 16 & 0xff;
-    o[11] = x2 >>> 24 & 0xff;
-
-    o[12] = x3 >>> 0 & 0xff;
-    o[13] = x3 >>> 8 & 0xff;
-    o[14] = x3 >>> 16 & 0xff;
-    o[15] = x3 >>> 24 & 0xff;
-
-    o[16] = x4 >>> 0 & 0xff;
-    o[17] = x4 >>> 8 & 0xff;
-    o[18] = x4 >>> 16 & 0xff;
-    o[19] = x4 >>> 24 & 0xff;
-
-    o[20] = x5 >>> 0 & 0xff;
-    o[21] = x5 >>> 8 & 0xff;
-    o[22] = x5 >>> 16 & 0xff;
-    o[23] = x5 >>> 24 & 0xff;
-
-    o[24] = x6 >>> 0 & 0xff;
-    o[25] = x6 >>> 8 & 0xff;
-    o[26] = x6 >>> 16 & 0xff;
-    o[27] = x6 >>> 24 & 0xff;
-
-    o[28] = x7 >>> 0 & 0xff;
-    o[29] = x7 >>> 8 & 0xff;
-    o[30] = x7 >>> 16 & 0xff;
-    o[31] = x7 >>> 24 & 0xff;
-
-    o[32] = x8 >>> 0 & 0xff;
-    o[33] = x8 >>> 8 & 0xff;
-    o[34] = x8 >>> 16 & 0xff;
-    o[35] = x8 >>> 24 & 0xff;
-
-    o[36] = x9 >>> 0 & 0xff;
-    o[37] = x9 >>> 8 & 0xff;
-    o[38] = x9 >>> 16 & 0xff;
-    o[39] = x9 >>> 24 & 0xff;
-
-    o[40] = x10 >>> 0 & 0xff;
-    o[41] = x10 >>> 8 & 0xff;
-    o[42] = x10 >>> 16 & 0xff;
-    o[43] = x10 >>> 24 & 0xff;
-
-    o[44] = x11 >>> 0 & 0xff;
-    o[45] = x11 >>> 8 & 0xff;
-    o[46] = x11 >>> 16 & 0xff;
-    o[47] = x11 >>> 24 & 0xff;
-
-    o[48] = x12 >>> 0 & 0xff;
-    o[49] = x12 >>> 8 & 0xff;
-    o[50] = x12 >>> 16 & 0xff;
-    o[51] = x12 >>> 24 & 0xff;
-
-    o[52] = x13 >>> 0 & 0xff;
-    o[53] = x13 >>> 8 & 0xff;
-    o[54] = x13 >>> 16 & 0xff;
-    o[55] = x13 >>> 24 & 0xff;
-
-    o[56] = x14 >>> 0 & 0xff;
-    o[57] = x14 >>> 8 & 0xff;
-    o[58] = x14 >>> 16 & 0xff;
-    o[59] = x14 >>> 24 & 0xff;
-
-    o[60] = x15 >>> 0 & 0xff;
-    o[61] = x15 >>> 8 & 0xff;
-    o[62] = x15 >>> 16 & 0xff;
-    o[63] = x15 >>> 24 & 0xff;
-}
-
-function core_hsalsa20(o, p, k, c) {
-    var j0 = c[0] & 0xff | (c[1] & 0xff) << 8 | (c[2] & 0xff) << 16 | (c[3] & 0xff) << 24,
-        j1 = k[0] & 0xff | (k[1] & 0xff) << 8 | (k[2] & 0xff) << 16 | (k[3] & 0xff) << 24,
-        j2 = k[4] & 0xff | (k[5] & 0xff) << 8 | (k[6] & 0xff) << 16 | (k[7] & 0xff) << 24,
-        j3 = k[8] & 0xff | (k[9] & 0xff) << 8 | (k[10] & 0xff) << 16 | (k[11] & 0xff) << 24,
-        j4 = k[12] & 0xff | (k[13] & 0xff) << 8 | (k[14] & 0xff) << 16 | (k[15] & 0xff) << 24,
-        j5 = c[4] & 0xff | (c[5] & 0xff) << 8 | (c[6] & 0xff) << 16 | (c[7] & 0xff) << 24,
-        j6 = p[0] & 0xff | (p[1] & 0xff) << 8 | (p[2] & 0xff) << 16 | (p[3] & 0xff) << 24,
-        j7 = p[4] & 0xff | (p[5] & 0xff) << 8 | (p[6] & 0xff) << 16 | (p[7] & 0xff) << 24,
-        j8 = p[8] & 0xff | (p[9] & 0xff) << 8 | (p[10] & 0xff) << 16 | (p[11] & 0xff) << 24,
-        j9 = p[12] & 0xff | (p[13] & 0xff) << 8 | (p[14] & 0xff) << 16 | (p[15] & 0xff) << 24,
-        j10 = c[8] & 0xff | (c[9] & 0xff) << 8 | (c[10] & 0xff) << 16 | (c[11] & 0xff) << 24,
-        j11 = k[16] & 0xff | (k[17] & 0xff) << 8 | (k[18] & 0xff) << 16 | (k[19] & 0xff) << 24,
-        j12 = k[20] & 0xff | (k[21] & 0xff) << 8 | (k[22] & 0xff) << 16 | (k[23] & 0xff) << 24,
-        j13 = k[24] & 0xff | (k[25] & 0xff) << 8 | (k[26] & 0xff) << 16 | (k[27] & 0xff) << 24,
-        j14 = k[28] & 0xff | (k[29] & 0xff) << 8 | (k[30] & 0xff) << 16 | (k[31] & 0xff) << 24,
-        j15 = c[12] & 0xff | (c[13] & 0xff) << 8 | (c[14] & 0xff) << 16 | (c[15] & 0xff) << 24;
-
-    var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
-        x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14,
-        x15 = j15, u;
-
-    for (var i = 0; i < 20; i += 2) {
-        u = x0 + x12 | 0;
-        x4 ^= u << 7 | u >>> (32 - 7);
-        u = x4 + x0 | 0;
-        x8 ^= u << 9 | u >>> (32 - 9);
-        u = x8 + x4 | 0;
-        x12 ^= u << 13 | u >>> (32 - 13);
-        u = x12 + x8 | 0;
-        x0 ^= u << 18 | u >>> (32 - 18);
-
-        u = x5 + x1 | 0;
-        x9 ^= u << 7 | u >>> (32 - 7);
-        u = x9 + x5 | 0;
-        x13 ^= u << 9 | u >>> (32 - 9);
-        u = x13 + x9 | 0;
-        x1 ^= u << 13 | u >>> (32 - 13);
-        u = x1 + x13 | 0;
-        x5 ^= u << 18 | u >>> (32 - 18);
-
-        u = x10 + x6 | 0;
-        x14 ^= u << 7 | u >>> (32 - 7);
-        u = x14 + x10 | 0;
-        x2 ^= u << 9 | u >>> (32 - 9);
-        u = x2 + x14 | 0;
-        x6 ^= u << 13 | u >>> (32 - 13);
-        u = x6 + x2 | 0;
-        x10 ^= u << 18 | u >>> (32 - 18);
-
-        u = x15 + x11 | 0;
-        x3 ^= u << 7 | u >>> (32 - 7);
-        u = x3 + x15 | 0;
-        x7 ^= u << 9 | u >>> (32 - 9);
-        u = x7 + x3 | 0;
-        x11 ^= u << 13 | u >>> (32 - 13);
-        u = x11 + x7 | 0;
-        x15 ^= u << 18 | u >>> (32 - 18);
-
-        u = x0 + x3 | 0;
-        x1 ^= u << 7 | u >>> (32 - 7);
-        u = x1 + x0 | 0;
-        x2 ^= u << 9 | u >>> (32 - 9);
-        u = x2 + x1 | 0;
-        x3 ^= u << 13 | u >>> (32 - 13);
-        u = x3 + x2 | 0;
-        x0 ^= u << 18 | u >>> (32 - 18);
-
-        u = x5 + x4 | 0;
-        x6 ^= u << 7 | u >>> (32 - 7);
-        u = x6 + x5 | 0;
-        x7 ^= u << 9 | u >>> (32 - 9);
-        u = x7 + x6 | 0;
-        x4 ^= u << 13 | u >>> (32 - 13);
-        u = x4 + x7 | 0;
-        x5 ^= u << 18 | u >>> (32 - 18);
-
-        u = x10 + x9 | 0;
-        x11 ^= u << 7 | u >>> (32 - 7);
-        u = x11 + x10 | 0;
-        x8 ^= u << 9 | u >>> (32 - 9);
-        u = x8 + x11 | 0;
-        x9 ^= u << 13 | u >>> (32 - 13);
-        u = x9 + x8 | 0;
-        x10 ^= u << 18 | u >>> (32 - 18);
-
-        u = x15 + x14 | 0;
-        x12 ^= u << 7 | u >>> (32 - 7);
-        u = x12 + x15 | 0;
-        x13 ^= u << 9 | u >>> (32 - 9);
-        u = x13 + x12 | 0;
-        x14 ^= u << 13 | u >>> (32 - 13);
-        u = x14 + x13 | 0;
-        x15 ^= u << 18 | u >>> (32 - 18);
-    }
-
-    o[0] = x0 >>> 0 & 0xff;
-    o[1] = x0 >>> 8 & 0xff;
-    o[2] = x0 >>> 16 & 0xff;
-    o[3] = x0 >>> 24 & 0xff;
-
-    o[4] = x5 >>> 0 & 0xff;
-    o[5] = x5 >>> 8 & 0xff;
-    o[6] = x5 >>> 16 & 0xff;
-    o[7] = x5 >>> 24 & 0xff;
-
-    o[8] = x10 >>> 0 & 0xff;
-    o[9] = x10 >>> 8 & 0xff;
-    o[10] = x10 >>> 16 & 0xff;
-    o[11] = x10 >>> 24 & 0xff;
-
-    o[12] = x15 >>> 0 & 0xff;
-    o[13] = x15 >>> 8 & 0xff;
-    o[14] = x15 >>> 16 & 0xff;
-    o[15] = x15 >>> 24 & 0xff;
-
-    o[16] = x6 >>> 0 & 0xff;
-    o[17] = x6 >>> 8 & 0xff;
-    o[18] = x6 >>> 16 & 0xff;
-    o[19] = x6 >>> 24 & 0xff;
-
-    o[20] = x7 >>> 0 & 0xff;
-    o[21] = x7 >>> 8 & 0xff;
-    o[22] = x7 >>> 16 & 0xff;
-    o[23] = x7 >>> 24 & 0xff;
-
-    o[24] = x8 >>> 0 & 0xff;
-    o[25] = x8 >>> 8 & 0xff;
-    o[26] = x8 >>> 16 & 0xff;
-    o[27] = x8 >>> 24 & 0xff;
-
-    o[28] = x9 >>> 0 & 0xff;
-    o[29] = x9 >>> 8 & 0xff;
-    o[30] = x9 >>> 16 & 0xff;
-    o[31] = x9 >>> 24 & 0xff;
-}
-
-function crypto_core_salsa20(out, inp, k, c) {
-    core_salsa20(out, inp, k, c);
-}
-
-function crypto_core_hsalsa20(out, inp, k, c) {
-    core_hsalsa20(out, inp, k, c);
-}
-
-var sigma = new Uint8Array([101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107]);
-// "expand 32-byte k"
-
-function crypto_stream_salsa20_xor(c, cpos, m, mpos, b, n, k) {
-    var z = new Uint8Array(16), x = new Uint8Array(64);
-    var u, i;
-    for (i = 0; i < 16; i++) z[i] = 0;
-    for (i = 0; i < 8; i++) z[i] = n[i];
-    while (b >= 64) {
-        crypto_core_salsa20(x, z, k, sigma);
-        for (i = 0; i < 64; i++) c[cpos + i] = m[mpos + i] ^ x[i];
-        u = 1;
-        for (i = 8; i < 16; i++) {
-            u = u + (z[i] & 0xff) | 0;
-            z[i] = u & 0xff;
-            u >>>= 8;
-        }
-        b -= 64;
-        cpos += 64;
-        mpos += 64;
-    }
-    if (b > 0) {
-        crypto_core_salsa20(x, z, k, sigma);
-        for (i = 0; i < b; i++) c[cpos + i] = m[mpos + i] ^ x[i];
-    }
-    return 0;
-}
-
-function crypto_stream_salsa20(c, cpos, b, n, k) {
-    var z = new Uint8Array(16), x = new Uint8Array(64);
-    var u, i;
-    for (i = 0; i < 16; i++) z[i] = 0;
-    for (i = 0; i < 8; i++) z[i] = n[i];
-    while (b >= 64) {
-        crypto_core_salsa20(x, z, k, sigma);
-        for (i = 0; i < 64; i++) c[cpos + i] = x[i];
-        u = 1;
-        for (i = 8; i < 16; i++) {
-            u = u + (z[i] & 0xff) | 0;
-            z[i] = u & 0xff;
-            u >>>= 8;
-        }
-        b -= 64;
-        cpos += 64;
-    }
-    if (b > 0) {
-        crypto_core_salsa20(x, z, k, sigma);
-        for (i = 0; i < b; i++) c[cpos + i] = x[i];
-    }
-    return 0;
-}
-
-var poly1305 = function (key) {
-    this.buffer = new Uint8Array(16);
-    this.r = new Uint16Array(10);
-    this.h = new Uint16Array(10);
-    this.pad = new Uint16Array(8);
-    this.leftover = 0;
-    this.fin = 0;
-
-    var t0, t1, t2, t3, t4, t5, t6, t7;
-
-    t0 = key[0] & 0xff | (key[1] & 0xff) << 8; this.r[0] = (t0) & 0x1fff;
-    t1 = key[2] & 0xff | (key[3] & 0xff) << 8; this.r[1] = ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
-    t2 = key[4] & 0xff | (key[5] & 0xff) << 8; this.r[2] = ((t1 >>> 10) | (t2 << 6)) & 0x1f03;
-    t3 = key[6] & 0xff | (key[7] & 0xff) << 8; this.r[3] = ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
-    t4 = key[8] & 0xff | (key[9] & 0xff) << 8; this.r[4] = ((t3 >>> 4) | (t4 << 12)) & 0x00ff;
-    this.r[5] = ((t4 >>> 1)) & 0x1ffe;
-    t5 = key[10] & 0xff | (key[11] & 0xff) << 8; this.r[6] = ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
-    t6 = key[12] & 0xff | (key[13] & 0xff) << 8; this.r[7] = ((t5 >>> 11) | (t6 << 5)) & 0x1f81;
-    t7 = key[14] & 0xff | (key[15] & 0xff) << 8; this.r[8] = ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
-    this.r[9] = ((t7 >>> 5)) & 0x007f;
-
-    this.pad[0] = key[16] & 0xff | (key[17] & 0xff) << 8;
-    this.pad[1] = key[18] & 0xff | (key[19] & 0xff) << 8;
-    this.pad[2] = key[20] & 0xff | (key[21] & 0xff) << 8;
-    this.pad[3] = key[22] & 0xff | (key[23] & 0xff) << 8;
-    this.pad[4] = key[24] & 0xff | (key[25] & 0xff) << 8;
-    this.pad[5] = key[26] & 0xff | (key[27] & 0xff) << 8;
-    this.pad[6] = key[28] & 0xff | (key[29] & 0xff) << 8;
-    this.pad[7] = key[30] & 0xff | (key[31] & 0xff) << 8;
-};
-
-poly1305.prototype.blocks = function (m, mpos, bytes) {
-    var hibit = this.fin ? 0 : (1 << 11);
-    var t0, t1, t2, t3, t4, t5, t6, t7, c;
-    var d0, d1, d2, d3, d4, d5, d6, d7, d8, d9;
-
-    var h0 = this.h[0],
-        h1 = this.h[1],
-        h2 = this.h[2],
-        h3 = this.h[3],
-        h4 = this.h[4],
-        h5 = this.h[5],
-        h6 = this.h[6],
-        h7 = this.h[7],
-        h8 = this.h[8],
-        h9 = this.h[9];
-
-    var r0 = this.r[0],
-        r1 = this.r[1],
-        r2 = this.r[2],
-        r3 = this.r[3],
-        r4 = this.r[4],
-        r5 = this.r[5],
-        r6 = this.r[6],
-        r7 = this.r[7],
-        r8 = this.r[8],
-        r9 = this.r[9];
-
-    while (bytes >= 16) {
-        t0 = m[mpos + 0] & 0xff | (m[mpos + 1] & 0xff) << 8; h0 += (t0) & 0x1fff;
-        t1 = m[mpos + 2] & 0xff | (m[mpos + 3] & 0xff) << 8; h1 += ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
-        t2 = m[mpos + 4] & 0xff | (m[mpos + 5] & 0xff) << 8; h2 += ((t1 >>> 10) | (t2 << 6)) & 0x1fff;
-        t3 = m[mpos + 6] & 0xff | (m[mpos + 7] & 0xff) << 8; h3 += ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
-        t4 = m[mpos + 8] & 0xff | (m[mpos + 9] & 0xff) << 8; h4 += ((t3 >>> 4) | (t4 << 12)) & 0x1fff;
-        h5 += ((t4 >>> 1)) & 0x1fff;
-        t5 = m[mpos + 10] & 0xff | (m[mpos + 11] & 0xff) << 8; h6 += ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
-        t6 = m[mpos + 12] & 0xff | (m[mpos + 13] & 0xff) << 8; h7 += ((t5 >>> 11) | (t6 << 5)) & 0x1fff;
-        t7 = m[mpos + 14] & 0xff | (m[mpos + 15] & 0xff) << 8; h8 += ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
-        h9 += ((t7 >>> 5)) | hibit;
-
-        c = 0;
-
-        d0 = c;
-        d0 += h0 * r0;
-        d0 += h1 * (5 * r9);
-        d0 += h2 * (5 * r8);
-        d0 += h3 * (5 * r7);
-        d0 += h4 * (5 * r6);
-        c = (d0 >>> 13); d0 &= 0x1fff;
-        d0 += h5 * (5 * r5);
-        d0 += h6 * (5 * r4);
-        d0 += h7 * (5 * r3);
-        d0 += h8 * (5 * r2);
-        d0 += h9 * (5 * r1);
-        c += (d0 >>> 13); d0 &= 0x1fff;
-
-        d1 = c;
-        d1 += h0 * r1;
-        d1 += h1 * r0;
-        d1 += h2 * (5 * r9);
-        d1 += h3 * (5 * r8);
-        d1 += h4 * (5 * r7);
-        c = (d1 >>> 13); d1 &= 0x1fff;
-        d1 += h5 * (5 * r6);
-        d1 += h6 * (5 * r5);
-        d1 += h7 * (5 * r4);
-        d1 += h8 * (5 * r3);
-        d1 += h9 * (5 * r2);
-        c += (d1 >>> 13); d1 &= 0x1fff;
-
-        d2 = c;
-        d2 += h0 * r2;
-        d2 += h1 * r1;
-        d2 += h2 * r0;
-        d2 += h3 * (5 * r9);
-        d2 += h4 * (5 * r8);
-        c = (d2 >>> 13); d2 &= 0x1fff;
-        d2 += h5 * (5 * r7);
-        d2 += h6 * (5 * r6);
-        d2 += h7 * (5 * r5);
-        d2 += h8 * (5 * r4);
-        d2 += h9 * (5 * r3);
-        c += (d2 >>> 13); d2 &= 0x1fff;
-
-        d3 = c;
-        d3 += h0 * r3;
-        d3 += h1 * r2;
-        d3 += h2 * r1;
-        d3 += h3 * r0;
-        d3 += h4 * (5 * r9);
-        c = (d3 >>> 13); d3 &= 0x1fff;
-        d3 += h5 * (5 * r8);
-        d3 += h6 * (5 * r7);
-        d3 += h7 * (5 * r6);
-        d3 += h8 * (5 * r5);
-        d3 += h9 * (5 * r4);
-        c += (d3 >>> 13); d3 &= 0x1fff;
-
-        d4 = c;
-        d4 += h0 * r4;
-        d4 += h1 * r3;
-        d4 += h2 * r2;
-        d4 += h3 * r1;
-        d4 += h4 * r0;
-        c = (d4 >>> 13); d4 &= 0x1fff;
-        d4 += h5 * (5 * r9);
-        d4 += h6 * (5 * r8);
-        d4 += h7 * (5 * r7);
-        d4 += h8 * (5 * r6);
-        d4 += h9 * (5 * r5);
-        c += (d4 >>> 13); d4 &= 0x1fff;
-
-        d5 = c;
-        d5 += h0 * r5;
-        d5 += h1 * r4;
-        d5 += h2 * r3;
-        d5 += h3 * r2;
-        d5 += h4 * r1;
-        c = (d5 >>> 13); d5 &= 0x1fff;
-        d5 += h5 * r0;
-        d5 += h6 * (5 * r9);
-        d5 += h7 * (5 * r8);
-        d5 += h8 * (5 * r7);
-        d5 += h9 * (5 * r6);
-        c += (d5 >>> 13); d5 &= 0x1fff;
-
-        d6 = c;
-        d6 += h0 * r6;
-        d6 += h1 * r5;
-        d6 += h2 * r4;
-        d6 += h3 * r3;
-        d6 += h4 * r2;
-        c = (d6 >>> 13); d6 &= 0x1fff;
-        d6 += h5 * r1;
-        d6 += h6 * r0;
-        d6 += h7 * (5 * r9);
-        d6 += h8 * (5 * r8);
-        d6 += h9 * (5 * r7);
-        c += (d6 >>> 13); d6 &= 0x1fff;
-
-        d7 = c;
-        d7 += h0 * r7;
-        d7 += h1 * r6;
-        d7 += h2 * r5;
-        d7 += h3 * r4;
-        d7 += h4 * r3;
-        c = (d7 >>> 13); d7 &= 0x1fff;
-        d7 += h5 * r2;
-        d7 += h6 * r1;
-        d7 += h7 * r0;
-        d7 += h8 * (5 * r9);
-        d7 += h9 * (5 * r8);
-        c += (d7 >>> 13); d7 &= 0x1fff;
-
-        d8 = c;
-        d8 += h0 * r8;
-        d8 += h1 * r7;
-        d8 += h2 * r6;
-        d8 += h3 * r5;
-        d8 += h4 * r4;
-        c = (d8 >>> 13); d8 &= 0x1fff;
-        d8 += h5 * r3;
-        d8 += h6 * r2;
-        d8 += h7 * r1;
-        d8 += h8 * r0;
-        d8 += h9 * (5 * r9);
-        c += (d8 >>> 13); d8 &= 0x1fff;
-
-        d9 = c;
-        d9 += h0 * r9;
-        d9 += h1 * r8;
-        d9 += h2 * r7;
-        d9 += h3 * r6;
-        d9 += h4 * r5;
-        c = (d9 >>> 13); d9 &= 0x1fff;
-        d9 += h5 * r4;
-        d9 += h6 * r3;
-        d9 += h7 * r2;
-        d9 += h8 * r1;
-        d9 += h9 * r0;
-        c += (d9 >>> 13); d9 &= 0x1fff;
-
-        c = (((c << 2) + c)) | 0;
-        c = (c + d0) | 0;
-        d0 = c & 0x1fff;
-        c = (c >>> 13);
-        d1 += c;
-
-        h0 = d0;
-        h1 = d1;
-        h2 = d2;
-        h3 = d3;
-        h4 = d4;
-        h5 = d5;
-        h6 = d6;
-        h7 = d7;
-        h8 = d8;
-        h9 = d9;
-
-        mpos += 16;
-        bytes -= 16;
-    }
-    this.h[0] = h0;
-    this.h[1] = h1;
-    this.h[2] = h2;
-    this.h[3] = h3;
-    this.h[4] = h4;
-    this.h[5] = h5;
-    this.h[6] = h6;
-    this.h[7] = h7;
-    this.h[8] = h8;
-    this.h[9] = h9;
-};
-
-poly1305.prototype.finish = function (mac, macpos) {
-    var g = new Uint16Array(10);
-    var c, mask, f, i;
-
-    if (this.leftover) {
-        i = this.leftover;
-        this.buffer[i++] = 1;
-        for (; i < 16; i++) this.buffer[i] = 0;
-        this.fin = 1;
-        this.blocks(this.buffer, 0, 16);
-    }
-
-    c = this.h[1] >>> 13;
-    this.h[1] &= 0x1fff;
-    for (i = 2; i < 10; i++) {
-        this.h[i] += c;
-        c = this.h[i] >>> 13;
-        this.h[i] &= 0x1fff;
-    }
-    this.h[0] += (c * 5);
-    c = this.h[0] >>> 13;
-    this.h[0] &= 0x1fff;
-    this.h[1] += c;
-    c = this.h[1] >>> 13;
-    this.h[1] &= 0x1fff;
-    this.h[2] += c;
-
-    g[0] = this.h[0] + 5;
-    c = g[0] >>> 13;
-    g[0] &= 0x1fff;
-    for (i = 1; i < 10; i++) {
-        g[i] = this.h[i] + c;
-        c = g[i] >>> 13;
-        g[i] &= 0x1fff;
-    }
-    g[9] -= (1 << 13);
-
-    mask = (c ^ 1) - 1;
-    for (i = 0; i < 10; i++) g[i] &= mask;
-    mask = ~mask;
-    for (i = 0; i < 10; i++) this.h[i] = (this.h[i] & mask) | g[i];
-
-    this.h[0] = ((this.h[0]) | (this.h[1] << 13)) & 0xffff;
-    this.h[1] = ((this.h[1] >>> 3) | (this.h[2] << 10)) & 0xffff;
-    this.h[2] = ((this.h[2] >>> 6) | (this.h[3] << 7)) & 0xffff;
-    this.h[3] = ((this.h[3] >>> 9) | (this.h[4] << 4)) & 0xffff;
-    this.h[4] = ((this.h[4] >>> 12) | (this.h[5] << 1) | (this.h[6] << 14)) & 0xffff;
-    this.h[5] = ((this.h[6] >>> 2) | (this.h[7] << 11)) & 0xffff;
-    this.h[6] = ((this.h[7] >>> 5) | (this.h[8] << 8)) & 0xffff;
-    this.h[7] = ((this.h[8] >>> 8) | (this.h[9] << 5)) & 0xffff;
-
-    f = this.h[0] + this.pad[0];
-    this.h[0] = f & 0xffff;
-    for (i = 1; i < 8; i++) {
-        f = (((this.h[i] + this.pad[i]) | 0) + (f >>> 16)) | 0;
-        this.h[i] = f & 0xffff;
-    }
-
-    mac[macpos + 0] = (this.h[0] >>> 0) & 0xff;
-    mac[macpos + 1] = (this.h[0] >>> 8) & 0xff;
-    mac[macpos + 2] = (this.h[1] >>> 0) & 0xff;
-    mac[macpos + 3] = (this.h[1] >>> 8) & 0xff;
-    mac[macpos + 4] = (this.h[2] >>> 0) & 0xff;
-    mac[macpos + 5] = (this.h[2] >>> 8) & 0xff;
-    mac[macpos + 6] = (this.h[3] >>> 0) & 0xff;
-    mac[macpos + 7] = (this.h[3] >>> 8) & 0xff;
-    mac[macpos + 8] = (this.h[4] >>> 0) & 0xff;
-    mac[macpos + 9] = (this.h[4] >>> 8) & 0xff;
-    mac[macpos + 10] = (this.h[5] >>> 0) & 0xff;
-    mac[macpos + 11] = (this.h[5] >>> 8) & 0xff;
-    mac[macpos + 12] = (this.h[6] >>> 0) & 0xff;
-    mac[macpos + 13] = (this.h[6] >>> 8) & 0xff;
-    mac[macpos + 14] = (this.h[7] >>> 0) & 0xff;
-    mac[macpos + 15] = (this.h[7] >>> 8) & 0xff;
-};
-
-poly1305.prototype.update = function (m, mpos, bytes) {
-    var i, want;
-
-    if (this.leftover) {
-        want = (16 - this.leftover);
-        if (want > bytes)
-            want = bytes;
-        for (i = 0; i < want; i++)
-            this.buffer[this.leftover + i] = m[mpos + i];
-        bytes -= want;
-        mpos += want;
-        this.leftover += want;
-        if (this.leftover < 16)
-            return;
-        this.blocks(this.buffer, 0, 16);
-        this.leftover = 0;
-    }
-
-    if (bytes >= 16) {
-        want = bytes - (bytes % 16);
-        this.blocks(m, mpos, want);
-        mpos += want;
-        bytes -= want;
-    }
-
-    if (bytes) {
-        for (i = 0; i < bytes; i++)
-            this.buffer[this.leftover + i] = m[mpos + i];
-        this.leftover += bytes;
-    }
-};
-
-function checkLengths(k, n) {
-    if (k.length !== crypto_secretbox_KEYBYTES) throw new Error('bad key size');
-    if (n.length !== crypto_secretbox_NONCEBYTES) throw new Error('bad nonce size');
-}
+// function vn(x, xi, y, yi, n) {
+//     var i, d = 0;
+//     for (i = 0; i < n; i++) d |= x[xi + i] ^ y[yi + i];
+//     return (1 & ((d - 1) >>> 8)) - 1;
+// }
+
+// function crypto_verify_16(x, xi, y, yi) {
+//     return vn(x, xi, y, yi, 16);
+// }
+
+// var crypto_secretbox_KEYBYTES = 32,
+//     crypto_secretbox_NONCEBYTES = 24,
+//     crypto_secretbox_ZEROBYTES = 32,
+//     crypto_secretbox_BOXZEROBYTES = 16,
+//     crypto_scalarmult_BYTES = 32,
+//     crypto_scalarmult_SCALARBYTES = 32,
+//     crypto_box_PUBLICKEYBYTES = 32,
+//     crypto_box_SECRETKEYBYTES = 32,
+//     crypto_box_BEFORENMBYTES = 32,
+//     crypto_box_NONCEBYTES = crypto_secretbox_NONCEBYTES,
+//     crypto_box_ZEROBYTES = crypto_secretbox_ZEROBYTES,
+//     crypto_box_BOXZEROBYTES = crypto_secretbox_BOXZEROBYTES,
+//     crypto_sign_BYTES = 64,
+//     crypto_sign_PUBLICKEYBYTES = 32,
+//     crypto_sign_SECRETKEYBYTES = 64,
+//     crypto_sign_SEEDBYTES = 32,
+//     crypto_hash_BYTES = 64;
+
+
+// function core_salsa20(o, p, k, c) {
+//     var j0 = c[0] & 0xff | (c[1] & 0xff) << 8 | (c[2] & 0xff) << 16 | (c[3] & 0xff) << 24,
+//         j1 = k[0] & 0xff | (k[1] & 0xff) << 8 | (k[2] & 0xff) << 16 | (k[3] & 0xff) << 24,
+//         j2 = k[4] & 0xff | (k[5] & 0xff) << 8 | (k[6] & 0xff) << 16 | (k[7] & 0xff) << 24,
+//         j3 = k[8] & 0xff | (k[9] & 0xff) << 8 | (k[10] & 0xff) << 16 | (k[11] & 0xff) << 24,
+//         j4 = k[12] & 0xff | (k[13] & 0xff) << 8 | (k[14] & 0xff) << 16 | (k[15] & 0xff) << 24,
+//         j5 = c[4] & 0xff | (c[5] & 0xff) << 8 | (c[6] & 0xff) << 16 | (c[7] & 0xff) << 24,
+//         j6 = p[0] & 0xff | (p[1] & 0xff) << 8 | (p[2] & 0xff) << 16 | (p[3] & 0xff) << 24,
+//         j7 = p[4] & 0xff | (p[5] & 0xff) << 8 | (p[6] & 0xff) << 16 | (p[7] & 0xff) << 24,
+//         j8 = p[8] & 0xff | (p[9] & 0xff) << 8 | (p[10] & 0xff) << 16 | (p[11] & 0xff) << 24,
+//         j9 = p[12] & 0xff | (p[13] & 0xff) << 8 | (p[14] & 0xff) << 16 | (p[15] & 0xff) << 24,
+//         j10 = c[8] & 0xff | (c[9] & 0xff) << 8 | (c[10] & 0xff) << 16 | (c[11] & 0xff) << 24,
+//         j11 = k[16] & 0xff | (k[17] & 0xff) << 8 | (k[18] & 0xff) << 16 | (k[19] & 0xff) << 24,
+//         j12 = k[20] & 0xff | (k[21] & 0xff) << 8 | (k[22] & 0xff) << 16 | (k[23] & 0xff) << 24,
+//         j13 = k[24] & 0xff | (k[25] & 0xff) << 8 | (k[26] & 0xff) << 16 | (k[27] & 0xff) << 24,
+//         j14 = k[28] & 0xff | (k[29] & 0xff) << 8 | (k[30] & 0xff) << 16 | (k[31] & 0xff) << 24,
+//         j15 = c[12] & 0xff | (c[13] & 0xff) << 8 | (c[14] & 0xff) << 16 | (c[15] & 0xff) << 24;
+
+//     var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
+//         x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14,
+//         x15 = j15, u;
+
+//     for (var i = 0; i < 20; i += 2) {
+//         u = x0 + x12 | 0;
+//         x4 ^= u << 7 | u >>> (32 - 7);
+//         u = x4 + x0 | 0;
+//         x8 ^= u << 9 | u >>> (32 - 9);
+//         u = x8 + x4 | 0;
+//         x12 ^= u << 13 | u >>> (32 - 13);
+//         u = x12 + x8 | 0;
+//         x0 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x5 + x1 | 0;
+//         x9 ^= u << 7 | u >>> (32 - 7);
+//         u = x9 + x5 | 0;
+//         x13 ^= u << 9 | u >>> (32 - 9);
+//         u = x13 + x9 | 0;
+//         x1 ^= u << 13 | u >>> (32 - 13);
+//         u = x1 + x13 | 0;
+//         x5 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x10 + x6 | 0;
+//         x14 ^= u << 7 | u >>> (32 - 7);
+//         u = x14 + x10 | 0;
+//         x2 ^= u << 9 | u >>> (32 - 9);
+//         u = x2 + x14 | 0;
+//         x6 ^= u << 13 | u >>> (32 - 13);
+//         u = x6 + x2 | 0;
+//         x10 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x15 + x11 | 0;
+//         x3 ^= u << 7 | u >>> (32 - 7);
+//         u = x3 + x15 | 0;
+//         x7 ^= u << 9 | u >>> (32 - 9);
+//         u = x7 + x3 | 0;
+//         x11 ^= u << 13 | u >>> (32 - 13);
+//         u = x11 + x7 | 0;
+//         x15 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x0 + x3 | 0;
+//         x1 ^= u << 7 | u >>> (32 - 7);
+//         u = x1 + x0 | 0;
+//         x2 ^= u << 9 | u >>> (32 - 9);
+//         u = x2 + x1 | 0;
+//         x3 ^= u << 13 | u >>> (32 - 13);
+//         u = x3 + x2 | 0;
+//         x0 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x5 + x4 | 0;
+//         x6 ^= u << 7 | u >>> (32 - 7);
+//         u = x6 + x5 | 0;
+//         x7 ^= u << 9 | u >>> (32 - 9);
+//         u = x7 + x6 | 0;
+//         x4 ^= u << 13 | u >>> (32 - 13);
+//         u = x4 + x7 | 0;
+//         x5 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x10 + x9 | 0;
+//         x11 ^= u << 7 | u >>> (32 - 7);
+//         u = x11 + x10 | 0;
+//         x8 ^= u << 9 | u >>> (32 - 9);
+//         u = x8 + x11 | 0;
+//         x9 ^= u << 13 | u >>> (32 - 13);
+//         u = x9 + x8 | 0;
+//         x10 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x15 + x14 | 0;
+//         x12 ^= u << 7 | u >>> (32 - 7);
+//         u = x12 + x15 | 0;
+//         x13 ^= u << 9 | u >>> (32 - 9);
+//         u = x13 + x12 | 0;
+//         x14 ^= u << 13 | u >>> (32 - 13);
+//         u = x14 + x13 | 0;
+//         x15 ^= u << 18 | u >>> (32 - 18);
+//     }
+//     x0 = x0 + j0 | 0;
+//     x1 = x1 + j1 | 0;
+//     x2 = x2 + j2 | 0;
+//     x3 = x3 + j3 | 0;
+//     x4 = x4 + j4 | 0;
+//     x5 = x5 + j5 | 0;
+//     x6 = x6 + j6 | 0;
+//     x7 = x7 + j7 | 0;
+//     x8 = x8 + j8 | 0;
+//     x9 = x9 + j9 | 0;
+//     x10 = x10 + j10 | 0;
+//     x11 = x11 + j11 | 0;
+//     x12 = x12 + j12 | 0;
+//     x13 = x13 + j13 | 0;
+//     x14 = x14 + j14 | 0;
+//     x15 = x15 + j15 | 0;
+
+//     o[0] = x0 >>> 0 & 0xff;
+//     o[1] = x0 >>> 8 & 0xff;
+//     o[2] = x0 >>> 16 & 0xff;
+//     o[3] = x0 >>> 24 & 0xff;
+
+//     o[4] = x1 >>> 0 & 0xff;
+//     o[5] = x1 >>> 8 & 0xff;
+//     o[6] = x1 >>> 16 & 0xff;
+//     o[7] = x1 >>> 24 & 0xff;
+
+//     o[8] = x2 >>> 0 & 0xff;
+//     o[9] = x2 >>> 8 & 0xff;
+//     o[10] = x2 >>> 16 & 0xff;
+//     o[11] = x2 >>> 24 & 0xff;
+
+//     o[12] = x3 >>> 0 & 0xff;
+//     o[13] = x3 >>> 8 & 0xff;
+//     o[14] = x3 >>> 16 & 0xff;
+//     o[15] = x3 >>> 24 & 0xff;
+
+//     o[16] = x4 >>> 0 & 0xff;
+//     o[17] = x4 >>> 8 & 0xff;
+//     o[18] = x4 >>> 16 & 0xff;
+//     o[19] = x4 >>> 24 & 0xff;
+
+//     o[20] = x5 >>> 0 & 0xff;
+//     o[21] = x5 >>> 8 & 0xff;
+//     o[22] = x5 >>> 16 & 0xff;
+//     o[23] = x5 >>> 24 & 0xff;
+
+//     o[24] = x6 >>> 0 & 0xff;
+//     o[25] = x6 >>> 8 & 0xff;
+//     o[26] = x6 >>> 16 & 0xff;
+//     o[27] = x6 >>> 24 & 0xff;
+
+//     o[28] = x7 >>> 0 & 0xff;
+//     o[29] = x7 >>> 8 & 0xff;
+//     o[30] = x7 >>> 16 & 0xff;
+//     o[31] = x7 >>> 24 & 0xff;
+
+//     o[32] = x8 >>> 0 & 0xff;
+//     o[33] = x8 >>> 8 & 0xff;
+//     o[34] = x8 >>> 16 & 0xff;
+//     o[35] = x8 >>> 24 & 0xff;
+
+//     o[36] = x9 >>> 0 & 0xff;
+//     o[37] = x9 >>> 8 & 0xff;
+//     o[38] = x9 >>> 16 & 0xff;
+//     o[39] = x9 >>> 24 & 0xff;
+
+//     o[40] = x10 >>> 0 & 0xff;
+//     o[41] = x10 >>> 8 & 0xff;
+//     o[42] = x10 >>> 16 & 0xff;
+//     o[43] = x10 >>> 24 & 0xff;
+
+//     o[44] = x11 >>> 0 & 0xff;
+//     o[45] = x11 >>> 8 & 0xff;
+//     o[46] = x11 >>> 16 & 0xff;
+//     o[47] = x11 >>> 24 & 0xff;
+
+//     o[48] = x12 >>> 0 & 0xff;
+//     o[49] = x12 >>> 8 & 0xff;
+//     o[50] = x12 >>> 16 & 0xff;
+//     o[51] = x12 >>> 24 & 0xff;
+
+//     o[52] = x13 >>> 0 & 0xff;
+//     o[53] = x13 >>> 8 & 0xff;
+//     o[54] = x13 >>> 16 & 0xff;
+//     o[55] = x13 >>> 24 & 0xff;
+
+//     o[56] = x14 >>> 0 & 0xff;
+//     o[57] = x14 >>> 8 & 0xff;
+//     o[58] = x14 >>> 16 & 0xff;
+//     o[59] = x14 >>> 24 & 0xff;
+
+//     o[60] = x15 >>> 0 & 0xff;
+//     o[61] = x15 >>> 8 & 0xff;
+//     o[62] = x15 >>> 16 & 0xff;
+//     o[63] = x15 >>> 24 & 0xff;
+// }
+
+// function core_hsalsa20(o, p, k, c) {
+//     var j0 = c[0] & 0xff | (c[1] & 0xff) << 8 | (c[2] & 0xff) << 16 | (c[3] & 0xff) << 24,
+//         j1 = k[0] & 0xff | (k[1] & 0xff) << 8 | (k[2] & 0xff) << 16 | (k[3] & 0xff) << 24,
+//         j2 = k[4] & 0xff | (k[5] & 0xff) << 8 | (k[6] & 0xff) << 16 | (k[7] & 0xff) << 24,
+//         j3 = k[8] & 0xff | (k[9] & 0xff) << 8 | (k[10] & 0xff) << 16 | (k[11] & 0xff) << 24,
+//         j4 = k[12] & 0xff | (k[13] & 0xff) << 8 | (k[14] & 0xff) << 16 | (k[15] & 0xff) << 24,
+//         j5 = c[4] & 0xff | (c[5] & 0xff) << 8 | (c[6] & 0xff) << 16 | (c[7] & 0xff) << 24,
+//         j6 = p[0] & 0xff | (p[1] & 0xff) << 8 | (p[2] & 0xff) << 16 | (p[3] & 0xff) << 24,
+//         j7 = p[4] & 0xff | (p[5] & 0xff) << 8 | (p[6] & 0xff) << 16 | (p[7] & 0xff) << 24,
+//         j8 = p[8] & 0xff | (p[9] & 0xff) << 8 | (p[10] & 0xff) << 16 | (p[11] & 0xff) << 24,
+//         j9 = p[12] & 0xff | (p[13] & 0xff) << 8 | (p[14] & 0xff) << 16 | (p[15] & 0xff) << 24,
+//         j10 = c[8] & 0xff | (c[9] & 0xff) << 8 | (c[10] & 0xff) << 16 | (c[11] & 0xff) << 24,
+//         j11 = k[16] & 0xff | (k[17] & 0xff) << 8 | (k[18] & 0xff) << 16 | (k[19] & 0xff) << 24,
+//         j12 = k[20] & 0xff | (k[21] & 0xff) << 8 | (k[22] & 0xff) << 16 | (k[23] & 0xff) << 24,
+//         j13 = k[24] & 0xff | (k[25] & 0xff) << 8 | (k[26] & 0xff) << 16 | (k[27] & 0xff) << 24,
+//         j14 = k[28] & 0xff | (k[29] & 0xff) << 8 | (k[30] & 0xff) << 16 | (k[31] & 0xff) << 24,
+//         j15 = c[12] & 0xff | (c[13] & 0xff) << 8 | (c[14] & 0xff) << 16 | (c[15] & 0xff) << 24;
+
+//     var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
+//         x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14,
+//         x15 = j15, u;
+
+//     for (var i = 0; i < 20; i += 2) {
+//         u = x0 + x12 | 0;
+//         x4 ^= u << 7 | u >>> (32 - 7);
+//         u = x4 + x0 | 0;
+//         x8 ^= u << 9 | u >>> (32 - 9);
+//         u = x8 + x4 | 0;
+//         x12 ^= u << 13 | u >>> (32 - 13);
+//         u = x12 + x8 | 0;
+//         x0 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x5 + x1 | 0;
+//         x9 ^= u << 7 | u >>> (32 - 7);
+//         u = x9 + x5 | 0;
+//         x13 ^= u << 9 | u >>> (32 - 9);
+//         u = x13 + x9 | 0;
+//         x1 ^= u << 13 | u >>> (32 - 13);
+//         u = x1 + x13 | 0;
+//         x5 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x10 + x6 | 0;
+//         x14 ^= u << 7 | u >>> (32 - 7);
+//         u = x14 + x10 | 0;
+//         x2 ^= u << 9 | u >>> (32 - 9);
+//         u = x2 + x14 | 0;
+//         x6 ^= u << 13 | u >>> (32 - 13);
+//         u = x6 + x2 | 0;
+//         x10 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x15 + x11 | 0;
+//         x3 ^= u << 7 | u >>> (32 - 7);
+//         u = x3 + x15 | 0;
+//         x7 ^= u << 9 | u >>> (32 - 9);
+//         u = x7 + x3 | 0;
+//         x11 ^= u << 13 | u >>> (32 - 13);
+//         u = x11 + x7 | 0;
+//         x15 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x0 + x3 | 0;
+//         x1 ^= u << 7 | u >>> (32 - 7);
+//         u = x1 + x0 | 0;
+//         x2 ^= u << 9 | u >>> (32 - 9);
+//         u = x2 + x1 | 0;
+//         x3 ^= u << 13 | u >>> (32 - 13);
+//         u = x3 + x2 | 0;
+//         x0 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x5 + x4 | 0;
+//         x6 ^= u << 7 | u >>> (32 - 7);
+//         u = x6 + x5 | 0;
+//         x7 ^= u << 9 | u >>> (32 - 9);
+//         u = x7 + x6 | 0;
+//         x4 ^= u << 13 | u >>> (32 - 13);
+//         u = x4 + x7 | 0;
+//         x5 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x10 + x9 | 0;
+//         x11 ^= u << 7 | u >>> (32 - 7);
+//         u = x11 + x10 | 0;
+//         x8 ^= u << 9 | u >>> (32 - 9);
+//         u = x8 + x11 | 0;
+//         x9 ^= u << 13 | u >>> (32 - 13);
+//         u = x9 + x8 | 0;
+//         x10 ^= u << 18 | u >>> (32 - 18);
+
+//         u = x15 + x14 | 0;
+//         x12 ^= u << 7 | u >>> (32 - 7);
+//         u = x12 + x15 | 0;
+//         x13 ^= u << 9 | u >>> (32 - 9);
+//         u = x13 + x12 | 0;
+//         x14 ^= u << 13 | u >>> (32 - 13);
+//         u = x14 + x13 | 0;
+//         x15 ^= u << 18 | u >>> (32 - 18);
+//     }
+
+//     o[0] = x0 >>> 0 & 0xff;
+//     o[1] = x0 >>> 8 & 0xff;
+//     o[2] = x0 >>> 16 & 0xff;
+//     o[3] = x0 >>> 24 & 0xff;
+
+//     o[4] = x5 >>> 0 & 0xff;
+//     o[5] = x5 >>> 8 & 0xff;
+//     o[6] = x5 >>> 16 & 0xff;
+//     o[7] = x5 >>> 24 & 0xff;
+
+//     o[8] = x10 >>> 0 & 0xff;
+//     o[9] = x10 >>> 8 & 0xff;
+//     o[10] = x10 >>> 16 & 0xff;
+//     o[11] = x10 >>> 24 & 0xff;
+
+//     o[12] = x15 >>> 0 & 0xff;
+//     o[13] = x15 >>> 8 & 0xff;
+//     o[14] = x15 >>> 16 & 0xff;
+//     o[15] = x15 >>> 24 & 0xff;
+
+//     o[16] = x6 >>> 0 & 0xff;
+//     o[17] = x6 >>> 8 & 0xff;
+//     o[18] = x6 >>> 16 & 0xff;
+//     o[19] = x6 >>> 24 & 0xff;
+
+//     o[20] = x7 >>> 0 & 0xff;
+//     o[21] = x7 >>> 8 & 0xff;
+//     o[22] = x7 >>> 16 & 0xff;
+//     o[23] = x7 >>> 24 & 0xff;
+
+//     o[24] = x8 >>> 0 & 0xff;
+//     o[25] = x8 >>> 8 & 0xff;
+//     o[26] = x8 >>> 16 & 0xff;
+//     o[27] = x8 >>> 24 & 0xff;
+
+//     o[28] = x9 >>> 0 & 0xff;
+//     o[29] = x9 >>> 8 & 0xff;
+//     o[30] = x9 >>> 16 & 0xff;
+//     o[31] = x9 >>> 24 & 0xff;
+// }
+
+// function crypto_core_salsa20(out, inp, k, c) {
+//     core_salsa20(out, inp, k, c);
+// }
+
+// function crypto_core_hsalsa20(out, inp, k, c) {
+//     core_hsalsa20(out, inp, k, c);
+// }
+
+// var sigma = new Uint8Array([101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107]);
+// // "expand 32-byte k"
+
+// function crypto_stream_salsa20_xor(c, cpos, m, mpos, b, n, k) {
+//     var z = new Uint8Array(16), x = new Uint8Array(64);
+//     var u, i;
+//     for (i = 0; i < 16; i++) z[i] = 0;
+//     for (i = 0; i < 8; i++) z[i] = n[i];
+//     while (b >= 64) {
+//         crypto_core_salsa20(x, z, k, sigma);
+//         for (i = 0; i < 64; i++) c[cpos + i] = m[mpos + i] ^ x[i];
+//         u = 1;
+//         for (i = 8; i < 16; i++) {
+//             u = u + (z[i] & 0xff) | 0;
+//             z[i] = u & 0xff;
+//             u >>>= 8;
+//         }
+//         b -= 64;
+//         cpos += 64;
+//         mpos += 64;
+//     }
+//     if (b > 0) {
+//         crypto_core_salsa20(x, z, k, sigma);
+//         for (i = 0; i < b; i++) c[cpos + i] = m[mpos + i] ^ x[i];
+//     }
+//     return 0;
+// }
+
+// function crypto_stream_salsa20(c, cpos, b, n, k) {
+//     var z = new Uint8Array(16), x = new Uint8Array(64);
+//     var u, i;
+//     for (i = 0; i < 16; i++) z[i] = 0;
+//     for (i = 0; i < 8; i++) z[i] = n[i];
+//     while (b >= 64) {
+//         crypto_core_salsa20(x, z, k, sigma);
+//         for (i = 0; i < 64; i++) c[cpos + i] = x[i];
+//         u = 1;
+//         for (i = 8; i < 16; i++) {
+//             u = u + (z[i] & 0xff) | 0;
+//             z[i] = u & 0xff;
+//             u >>>= 8;
+//         }
+//         b -= 64;
+//         cpos += 64;
+//     }
+//     if (b > 0) {
+//         crypto_core_salsa20(x, z, k, sigma);
+//         for (i = 0; i < b; i++) c[cpos + i] = x[i];
+//     }
+//     return 0;
+// }
+
+// var poly1305 = function (key) {
+//     this.buffer = new Uint8Array(16);
+//     this.r = new Uint16Array(10);
+//     this.h = new Uint16Array(10);
+//     this.pad = new Uint16Array(8);
+//     this.leftover = 0;
+//     this.fin = 0;
+
+//     var t0, t1, t2, t3, t4, t5, t6, t7;
+
+//     t0 = key[0] & 0xff | (key[1] & 0xff) << 8; this.r[0] = (t0) & 0x1fff;
+//     t1 = key[2] & 0xff | (key[3] & 0xff) << 8; this.r[1] = ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
+//     t2 = key[4] & 0xff | (key[5] & 0xff) << 8; this.r[2] = ((t1 >>> 10) | (t2 << 6)) & 0x1f03;
+//     t3 = key[6] & 0xff | (key[7] & 0xff) << 8; this.r[3] = ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
+//     t4 = key[8] & 0xff | (key[9] & 0xff) << 8; this.r[4] = ((t3 >>> 4) | (t4 << 12)) & 0x00ff;
+//     this.r[5] = ((t4 >>> 1)) & 0x1ffe;
+//     t5 = key[10] & 0xff | (key[11] & 0xff) << 8; this.r[6] = ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
+//     t6 = key[12] & 0xff | (key[13] & 0xff) << 8; this.r[7] = ((t5 >>> 11) | (t6 << 5)) & 0x1f81;
+//     t7 = key[14] & 0xff | (key[15] & 0xff) << 8; this.r[8] = ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
+//     this.r[9] = ((t7 >>> 5)) & 0x007f;
+
+//     this.pad[0] = key[16] & 0xff | (key[17] & 0xff) << 8;
+//     this.pad[1] = key[18] & 0xff | (key[19] & 0xff) << 8;
+//     this.pad[2] = key[20] & 0xff | (key[21] & 0xff) << 8;
+//     this.pad[3] = key[22] & 0xff | (key[23] & 0xff) << 8;
+//     this.pad[4] = key[24] & 0xff | (key[25] & 0xff) << 8;
+//     this.pad[5] = key[26] & 0xff | (key[27] & 0xff) << 8;
+//     this.pad[6] = key[28] & 0xff | (key[29] & 0xff) << 8;
+//     this.pad[7] = key[30] & 0xff | (key[31] & 0xff) << 8;
+// };
+
+// poly1305.prototype.blocks = function (m, mpos, bytes) {
+//     var hibit = this.fin ? 0 : (1 << 11);
+//     var t0, t1, t2, t3, t4, t5, t6, t7, c;
+//     var d0, d1, d2, d3, d4, d5, d6, d7, d8, d9;
+
+//     var h0 = this.h[0],
+//         h1 = this.h[1],
+//         h2 = this.h[2],
+//         h3 = this.h[3],
+//         h4 = this.h[4],
+//         h5 = this.h[5],
+//         h6 = this.h[6],
+//         h7 = this.h[7],
+//         h8 = this.h[8],
+//         h9 = this.h[9];
+
+//     var r0 = this.r[0],
+//         r1 = this.r[1],
+//         r2 = this.r[2],
+//         r3 = this.r[3],
+//         r4 = this.r[4],
+//         r5 = this.r[5],
+//         r6 = this.r[6],
+//         r7 = this.r[7],
+//         r8 = this.r[8],
+//         r9 = this.r[9];
+
+//     while (bytes >= 16) {
+//         t0 = m[mpos + 0] & 0xff | (m[mpos + 1] & 0xff) << 8; h0 += (t0) & 0x1fff;
+//         t1 = m[mpos + 2] & 0xff | (m[mpos + 3] & 0xff) << 8; h1 += ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
+//         t2 = m[mpos + 4] & 0xff | (m[mpos + 5] & 0xff) << 8; h2 += ((t1 >>> 10) | (t2 << 6)) & 0x1fff;
+//         t3 = m[mpos + 6] & 0xff | (m[mpos + 7] & 0xff) << 8; h3 += ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
+//         t4 = m[mpos + 8] & 0xff | (m[mpos + 9] & 0xff) << 8; h4 += ((t3 >>> 4) | (t4 << 12)) & 0x1fff;
+//         h5 += ((t4 >>> 1)) & 0x1fff;
+//         t5 = m[mpos + 10] & 0xff | (m[mpos + 11] & 0xff) << 8; h6 += ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
+//         t6 = m[mpos + 12] & 0xff | (m[mpos + 13] & 0xff) << 8; h7 += ((t5 >>> 11) | (t6 << 5)) & 0x1fff;
+//         t7 = m[mpos + 14] & 0xff | (m[mpos + 15] & 0xff) << 8; h8 += ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
+//         h9 += ((t7 >>> 5)) | hibit;
+
+//         c = 0;
+
+//         d0 = c;
+//         d0 += h0 * r0;
+//         d0 += h1 * (5 * r9);
+//         d0 += h2 * (5 * r8);
+//         d0 += h3 * (5 * r7);
+//         d0 += h4 * (5 * r6);
+//         c = (d0 >>> 13); d0 &= 0x1fff;
+//         d0 += h5 * (5 * r5);
+//         d0 += h6 * (5 * r4);
+//         d0 += h7 * (5 * r3);
+//         d0 += h8 * (5 * r2);
+//         d0 += h9 * (5 * r1);
+//         c += (d0 >>> 13); d0 &= 0x1fff;
+
+//         d1 = c;
+//         d1 += h0 * r1;
+//         d1 += h1 * r0;
+//         d1 += h2 * (5 * r9);
+//         d1 += h3 * (5 * r8);
+//         d1 += h4 * (5 * r7);
+//         c = (d1 >>> 13); d1 &= 0x1fff;
+//         d1 += h5 * (5 * r6);
+//         d1 += h6 * (5 * r5);
+//         d1 += h7 * (5 * r4);
+//         d1 += h8 * (5 * r3);
+//         d1 += h9 * (5 * r2);
+//         c += (d1 >>> 13); d1 &= 0x1fff;
+
+//         d2 = c;
+//         d2 += h0 * r2;
+//         d2 += h1 * r1;
+//         d2 += h2 * r0;
+//         d2 += h3 * (5 * r9);
+//         d2 += h4 * (5 * r8);
+//         c = (d2 >>> 13); d2 &= 0x1fff;
+//         d2 += h5 * (5 * r7);
+//         d2 += h6 * (5 * r6);
+//         d2 += h7 * (5 * r5);
+//         d2 += h8 * (5 * r4);
+//         d2 += h9 * (5 * r3);
+//         c += (d2 >>> 13); d2 &= 0x1fff;
+
+//         d3 = c;
+//         d3 += h0 * r3;
+//         d3 += h1 * r2;
+//         d3 += h2 * r1;
+//         d3 += h3 * r0;
+//         d3 += h4 * (5 * r9);
+//         c = (d3 >>> 13); d3 &= 0x1fff;
+//         d3 += h5 * (5 * r8);
+//         d3 += h6 * (5 * r7);
+//         d3 += h7 * (5 * r6);
+//         d3 += h8 * (5 * r5);
+//         d3 += h9 * (5 * r4);
+//         c += (d3 >>> 13); d3 &= 0x1fff;
+
+//         d4 = c;
+//         d4 += h0 * r4;
+//         d4 += h1 * r3;
+//         d4 += h2 * r2;
+//         d4 += h3 * r1;
+//         d4 += h4 * r0;
+//         c = (d4 >>> 13); d4 &= 0x1fff;
+//         d4 += h5 * (5 * r9);
+//         d4 += h6 * (5 * r8);
+//         d4 += h7 * (5 * r7);
+//         d4 += h8 * (5 * r6);
+//         d4 += h9 * (5 * r5);
+//         c += (d4 >>> 13); d4 &= 0x1fff;
+
+//         d5 = c;
+//         d5 += h0 * r5;
+//         d5 += h1 * r4;
+//         d5 += h2 * r3;
+//         d5 += h3 * r2;
+//         d5 += h4 * r1;
+//         c = (d5 >>> 13); d5 &= 0x1fff;
+//         d5 += h5 * r0;
+//         d5 += h6 * (5 * r9);
+//         d5 += h7 * (5 * r8);
+//         d5 += h8 * (5 * r7);
+//         d5 += h9 * (5 * r6);
+//         c += (d5 >>> 13); d5 &= 0x1fff;
+
+//         d6 = c;
+//         d6 += h0 * r6;
+//         d6 += h1 * r5;
+//         d6 += h2 * r4;
+//         d6 += h3 * r3;
+//         d6 += h4 * r2;
+//         c = (d6 >>> 13); d6 &= 0x1fff;
+//         d6 += h5 * r1;
+//         d6 += h6 * r0;
+//         d6 += h7 * (5 * r9);
+//         d6 += h8 * (5 * r8);
+//         d6 += h9 * (5 * r7);
+//         c += (d6 >>> 13); d6 &= 0x1fff;
+
+//         d7 = c;
+//         d7 += h0 * r7;
+//         d7 += h1 * r6;
+//         d7 += h2 * r5;
+//         d7 += h3 * r4;
+//         d7 += h4 * r3;
+//         c = (d7 >>> 13); d7 &= 0x1fff;
+//         d7 += h5 * r2;
+//         d7 += h6 * r1;
+//         d7 += h7 * r0;
+//         d7 += h8 * (5 * r9);
+//         d7 += h9 * (5 * r8);
+//         c += (d7 >>> 13); d7 &= 0x1fff;
+
+//         d8 = c;
+//         d8 += h0 * r8;
+//         d8 += h1 * r7;
+//         d8 += h2 * r6;
+//         d8 += h3 * r5;
+//         d8 += h4 * r4;
+//         c = (d8 >>> 13); d8 &= 0x1fff;
+//         d8 += h5 * r3;
+//         d8 += h6 * r2;
+//         d8 += h7 * r1;
+//         d8 += h8 * r0;
+//         d8 += h9 * (5 * r9);
+//         c += (d8 >>> 13); d8 &= 0x1fff;
+
+//         d9 = c;
+//         d9 += h0 * r9;
+//         d9 += h1 * r8;
+//         d9 += h2 * r7;
+//         d9 += h3 * r6;
+//         d9 += h4 * r5;
+//         c = (d9 >>> 13); d9 &= 0x1fff;
+//         d9 += h5 * r4;
+//         d9 += h6 * r3;
+//         d9 += h7 * r2;
+//         d9 += h8 * r1;
+//         d9 += h9 * r0;
+//         c += (d9 >>> 13); d9 &= 0x1fff;
+
+//         c = (((c << 2) + c)) | 0;
+//         c = (c + d0) | 0;
+//         d0 = c & 0x1fff;
+//         c = (c >>> 13);
+//         d1 += c;
+
+//         h0 = d0;
+//         h1 = d1;
+//         h2 = d2;
+//         h3 = d3;
+//         h4 = d4;
+//         h5 = d5;
+//         h6 = d6;
+//         h7 = d7;
+//         h8 = d8;
+//         h9 = d9;
+
+//         mpos += 16;
+//         bytes -= 16;
+//     }
+//     this.h[0] = h0;
+//     this.h[1] = h1;
+//     this.h[2] = h2;
+//     this.h[3] = h3;
+//     this.h[4] = h4;
+//     this.h[5] = h5;
+//     this.h[6] = h6;
+//     this.h[7] = h7;
+//     this.h[8] = h8;
+//     this.h[9] = h9;
+// };
+
+// poly1305.prototype.finish = function (mac, macpos) {
+//     var g = new Uint16Array(10);
+//     var c, mask, f, i;
+
+//     if (this.leftover) {
+//         i = this.leftover;
+//         this.buffer[i++] = 1;
+//         for (; i < 16; i++) this.buffer[i] = 0;
+//         this.fin = 1;
+//         this.blocks(this.buffer, 0, 16);
+//     }
+
+//     c = this.h[1] >>> 13;
+//     this.h[1] &= 0x1fff;
+//     for (i = 2; i < 10; i++) {
+//         this.h[i] += c;
+//         c = this.h[i] >>> 13;
+//         this.h[i] &= 0x1fff;
+//     }
+//     this.h[0] += (c * 5);
+//     c = this.h[0] >>> 13;
+//     this.h[0] &= 0x1fff;
+//     this.h[1] += c;
+//     c = this.h[1] >>> 13;
+//     this.h[1] &= 0x1fff;
+//     this.h[2] += c;
+
+//     g[0] = this.h[0] + 5;
+//     c = g[0] >>> 13;
+//     g[0] &= 0x1fff;
+//     for (i = 1; i < 10; i++) {
+//         g[i] = this.h[i] + c;
+//         c = g[i] >>> 13;
+//         g[i] &= 0x1fff;
+//     }
+//     g[9] -= (1 << 13);
+
+//     mask = (c ^ 1) - 1;
+//     for (i = 0; i < 10; i++) g[i] &= mask;
+//     mask = ~mask;
+//     for (i = 0; i < 10; i++) this.h[i] = (this.h[i] & mask) | g[i];
+
+//     this.h[0] = ((this.h[0]) | (this.h[1] << 13)) & 0xffff;
+//     this.h[1] = ((this.h[1] >>> 3) | (this.h[2] << 10)) & 0xffff;
+//     this.h[2] = ((this.h[2] >>> 6) | (this.h[3] << 7)) & 0xffff;
+//     this.h[3] = ((this.h[3] >>> 9) | (this.h[4] << 4)) & 0xffff;
+//     this.h[4] = ((this.h[4] >>> 12) | (this.h[5] << 1) | (this.h[6] << 14)) & 0xffff;
+//     this.h[5] = ((this.h[6] >>> 2) | (this.h[7] << 11)) & 0xffff;
+//     this.h[6] = ((this.h[7] >>> 5) | (this.h[8] << 8)) & 0xffff;
+//     this.h[7] = ((this.h[8] >>> 8) | (this.h[9] << 5)) & 0xffff;
+
+//     f = this.h[0] + this.pad[0];
+//     this.h[0] = f & 0xffff;
+//     for (i = 1; i < 8; i++) {
+//         f = (((this.h[i] + this.pad[i]) | 0) + (f >>> 16)) | 0;
+//         this.h[i] = f & 0xffff;
+//     }
+
+//     mac[macpos + 0] = (this.h[0] >>> 0) & 0xff;
+//     mac[macpos + 1] = (this.h[0] >>> 8) & 0xff;
+//     mac[macpos + 2] = (this.h[1] >>> 0) & 0xff;
+//     mac[macpos + 3] = (this.h[1] >>> 8) & 0xff;
+//     mac[macpos + 4] = (this.h[2] >>> 0) & 0xff;
+//     mac[macpos + 5] = (this.h[2] >>> 8) & 0xff;
+//     mac[macpos + 6] = (this.h[3] >>> 0) & 0xff;
+//     mac[macpos + 7] = (this.h[3] >>> 8) & 0xff;
+//     mac[macpos + 8] = (this.h[4] >>> 0) & 0xff;
+//     mac[macpos + 9] = (this.h[4] >>> 8) & 0xff;
+//     mac[macpos + 10] = (this.h[5] >>> 0) & 0xff;
+//     mac[macpos + 11] = (this.h[5] >>> 8) & 0xff;
+//     mac[macpos + 12] = (this.h[6] >>> 0) & 0xff;
+//     mac[macpos + 13] = (this.h[6] >>> 8) & 0xff;
+//     mac[macpos + 14] = (this.h[7] >>> 0) & 0xff;
+//     mac[macpos + 15] = (this.h[7] >>> 8) & 0xff;
+// };
+
+// poly1305.prototype.update = function (m, mpos, bytes) {
+//     var i, want;
+
+//     if (this.leftover) {
+//         want = (16 - this.leftover);
+//         if (want > bytes)
+//             want = bytes;
+//         for (i = 0; i < want; i++)
+//             this.buffer[this.leftover + i] = m[mpos + i];
+//         bytes -= want;
+//         mpos += want;
+//         this.leftover += want;
+//         if (this.leftover < 16)
+//             return;
+//         this.blocks(this.buffer, 0, 16);
+//         this.leftover = 0;
+//     }
+
+//     if (bytes >= 16) {
+//         want = bytes - (bytes % 16);
+//         this.blocks(m, mpos, want);
+//         mpos += want;
+//         bytes -= want;
+//     }
+
+//     if (bytes) {
+//         for (i = 0; i < bytes; i++)
+//             this.buffer[this.leftover + i] = m[mpos + i];
+//         this.leftover += bytes;
+//     }
+// };
+
+// function checkLengths(k, n) {
+//     if (k.length !== crypto_secretbox_KEYBYTES) throw new Error('bad key size');
+//     if (n.length !== crypto_secretbox_NONCEBYTES) throw new Error('bad nonce size');
+// }
 
 
 function checkArrayTypes() {
@@ -783,77 +783,77 @@ function checkArrayTypes() {
     }
 }
 
-function crypto_stream(c, cpos, d, n, k) {
-    var s = new Uint8Array(32);
-    crypto_core_hsalsa20(s, n, k, sigma);
-    var sn = new Uint8Array(8);
-    for (var i = 0; i < 8; i++) sn[i] = n[i + 16];
-    return crypto_stream_salsa20(c, cpos, d, sn, s);
-}
-
-
-function crypto_stream_xor(c, cpos, m, mpos, d, n, k) {
-    var s = new Uint8Array(32);
-    crypto_core_hsalsa20(s, n, k, sigma);
-    var sn = new Uint8Array(8);
-    for (var i = 0; i < 8; i++) sn[i] = n[i + 16];
-    return crypto_stream_salsa20_xor(c, cpos, m, mpos, d, sn, s);
-}
-
-function crypto_onetimeauth(out, outpos, m, mpos, n, k) {
-    var s = new poly1305(k);
-    s.update(m, mpos, n);
-    s.finish(out, outpos);
-    return 0;
-}
-
-function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) {
-    var x = new Uint8Array(16);
-    crypto_onetimeauth(x, 0, m, mpos, n, k);
-    return crypto_verify_16(h, hpos, x, 0);
-}
-
-function crypto_secretbox(c, m, d, n, k) {
-    var i;
-    if (d < 32) return -1;
-    crypto_stream_xor(c, 0, m, 0, d, n, k);
-    crypto_onetimeauth(c, 16, c, 32, d - 32, c);
-    for (i = 0; i < 16; i++) c[i] = 0;
-    return 0;
-}
-
-function crypto_secretbox_open(m, c, d, n, k) {
-    var i;
-    var x = new Uint8Array(32);
-    if (d < 32) return -1;
-    crypto_stream(x, 0, 32, n, k);
-    if (crypto_onetimeauth_verify(c, 16, c, 32, d - 32, x) !== 0) return -1;
-    crypto_stream_xor(m, 0, c, 0, d, n, k);
-    for (i = 0; i < 32; i++) m[i] = 0;
-    return 0;
-}
+// function crypto_stream(c, cpos, d, n, k) {
+//     var s = new Uint8Array(32);
+//     crypto_core_hsalsa20(s, n, k, sigma);
+//     var sn = new Uint8Array(8);
+//     for (var i = 0; i < 8; i++) sn[i] = n[i + 16];
+//     return crypto_stream_salsa20(c, cpos, d, sn, s);
+// }
+
+
+// function crypto_stream_xor(c, cpos, m, mpos, d, n, k) {
+//     var s = new Uint8Array(32);
+//     crypto_core_hsalsa20(s, n, k, sigma);
+//     var sn = new Uint8Array(8);
+//     for (var i = 0; i < 8; i++) sn[i] = n[i + 16];
+//     return crypto_stream_salsa20_xor(c, cpos, m, mpos, d, sn, s);
+// }
+
+// function crypto_onetimeauth(out, outpos, m, mpos, n, k) {
+//     var s = new poly1305(k);
+//     s.update(m, mpos, n);
+//     s.finish(out, outpos);
+//     return 0;
+// }
+
+// function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) {
+//     var x = new Uint8Array(16);
+//     crypto_onetimeauth(x, 0, m, mpos, n, k);
+//     return crypto_verify_16(h, hpos, x, 0);
+// }
+
+// function crypto_secretbox(c, m, d, n, k) {
+//     var i;
+//     if (d < 32) return -1;
+//     crypto_stream_xor(c, 0, m, 0, d, n, k);
+//     crypto_onetimeauth(c, 16, c, 32, d - 32, c);
+//     for (i = 0; i < 16; i++) c[i] = 0;
+//     return 0;
+// }
+
+// function crypto_secretbox_open(m, c, d, n, k) {
+//     var i;
+//     var x = new Uint8Array(32);
+//     if (d < 32) return -1;
+//     crypto_stream(x, 0, 32, n, k);
+//     if (crypto_onetimeauth_verify(c, 16, c, 32, d - 32, x) !== 0) return -1;
+//     crypto_stream_xor(m, 0, c, 0, d, n, k);
+//     for (i = 0; i < 32; i++) m[i] = 0;
+//     return 0;
+// }
 
 
 nacl.secretbox = function (msg, nonce, key) {
     checkArrayTypes(msg, nonce, key);
-    checkLengths(key, nonce);
-    var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length);
-    var c = new Uint8Array(m.length);
-    for (var i = 0; i < msg.length; i++) m[i + crypto_secretbox_ZEROBYTES] = msg[i];
-    crypto_secretbox(c, m, m.length, nonce, key);
-    return c.subarray(crypto_secretbox_BOXZEROBYTES);
+//    checkLengths(key, nonce);
+//    var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length);
+//    var c = new Uint8Array(m.length);
+//    for (var i = 0; i < msg.length; i++) m[i + crypto_secretbox_ZEROBYTES] = msg[i];
+//    crypto_secretbox(c, m, m.length, nonce, key);
+//    return c.subarray(crypto_secretbox_BOXZEROBYTES);
 };
 
 
 nacl.secretbox.open = function (box, nonce, key) {
     checkArrayTypes(box, nonce, key);
-    checkLengths(key, nonce);
-    var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length);
-    var m = new Uint8Array(c.length);
-    for (var i = 0; i < box.length; i++) c[i + crypto_secretbox_BOXZEROBYTES] = box[i];
-    if (c.length < 32) return null;
-    if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0) return null;
-    return m.subarray(crypto_secretbox_ZEROBYTES);
+//    checkLengths(key, nonce);
+//    var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length);
+//    var m = new Uint8Array(c.length);
+//    for (var i = 0; i < box.length; i++) c[i + crypto_secretbox_BOXZEROBYTES] = box[i];
+//    if (c.length < 32) return null;
+//    if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0) return null;
+//    return m.subarray(crypto_secretbox_ZEROBYTES);
 };
 
 self.secretbox = nacl.secretbox
diff --git a/sw_scripts/safari-notifications.js b/sw_scripts/safari-notifications.js
index 4d5d2a4..f764543 100644
--- a/sw_scripts/safari-notifications.js
+++ b/sw_scripts/safari-notifications.js
@@ -1,5 +1,5 @@
 
-//importScripts("nacl.js")
+importScripts("nacl.js")
 
 function validateBase64(s) {
     if (!(/^(?:[A-Za-z0-9+\/]{2}[A-Za-z0-9+\/]{2})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)?$/.test(s))) {