Built and included modified libsodium with additional wrappers, working blake, sha256/512 hashes

EXTERNAL_LICENSES

@@ -21,3 +21,23 @@ Libsodium, licensed under ISC License
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
+Libsodium.js (temporarily included libsodium-wrappers-sumo-0.7.6.tgz packed npm package with additional sha256 and sha512 multipart wrappers)
+
+
+Copyright (c) 2015-2020
+Ahmad Ben Mrad <batikhsouri at gmail dot org>
+Frank Denis <j at pureftpd dot org>
+Ryan Lester <ryan at cyph dot com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+