Don't mutate prototypes of Uint8Array, ReadableStream and ReadableStreamDefaultWriter

src/crypto/hash/index.js

@@ -7,6 +7,7 @@
  * @requires asmcrypto.js
  * @requires hash.js
  * @requires crypto/hash/md5
+ * @requires stream
  * @requires util
  * @module crypto/hash
  */
@@ -19,6 +20,7 @@ import sha384 from 'hash.js/lib/hash/sha/384';
 import sha512 from 'hash.js/lib/hash/sha/512';
 import { ripemd160 } from 'hash.js/lib/hash/ripemd';
 import md5 from './md5';
+import stream from '../../stream';
 import util from '../../util';
 
 const rusha = new Rusha();
@@ -36,7 +38,7 @@ function node_hash(type) {
 function hashjs_hash(hash) {
   return function(data) {
     const hashInstance = hash();
-    return data.transform((done, value) => {
+    return stream.transform(data, (done, value) => {
       if (!done) {
         hashInstance.update(value);
       } else {

src/crypto/signature.js

@@ -4,6 +4,7 @@
  * @requires crypto/public_key
  * @requires crypto/pkcs1
  * @requires enums
+ * @requires stream
  * @requires util
  * @module crypto/signature
 */
@@ -12,6 +13,7 @@ import BN from 'bn.js';
 import publicKey from './public_key';
 import pkcs1 from './pkcs1';
 import enums from '../enums';
+import stream from '../stream';
 import util from '../util';
 
 export default {
@@ -29,7 +31,7 @@ export default {
    * @async
    */
   verify: async function(algo, hash_algo, msg_MPIs, pub_MPIs, data) {
-    data = await data.readToEnd();
+    data = await stream.readToEnd(data);
     switch (algo) {
       case enums.publicKey.rsa_encrypt_sign:
       case enums.publicKey.rsa_encrypt:
@@ -83,7 +85,7 @@ export default {
    * @async
    */
   sign: async function(algo, hash_algo, key_params, data) {
-    data = await data.readToEnd();
+    data = await stream.readToEnd(data);
     switch (algo) {
       case enums.publicKey.rsa_encrypt_sign:
       case enums.publicKey.rsa_encrypt: