diff --git a/.gitignore b/.gitignore
index 4e0ba9e..b42e17f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,7 +7,7 @@
 !/node_modules/bn.js/
 !/node_modules/inherits/
 !/node_modules/safe-buffer/
-!/node_modules/minimalistic-assert.js/
+!/node_modules/minimalistic-assert/
 
 # Jetbrains
 /.idea
diff --git a/node_modules/minimalistic-assert/LICENSE b/node_modules/minimalistic-assert/LICENSE
new file mode 100644
index 0000000..adca66b
--- /dev/null
+++ b/node_modules/minimalistic-assert/LICENSE
@@ -0,0 +1,13 @@
+Copyright 2015 Calvin Metcalf
+
+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.
\ No newline at end of file
diff --git a/node_modules/minimalistic-assert/index.js b/node_modules/minimalistic-assert/index.js
new file mode 100644
index 0000000..70b4ea5
--- /dev/null
+++ b/node_modules/minimalistic-assert/index.js
@@ -0,0 +1,11 @@
+module.exports = assert;
+
+function assert(val, msg) {
+  if (!val)
+    throw new Error(msg || 'Assertion failed');
+}
+
+assert.equal = function assertEqual(l, r, msg) {
+  if (l != r)
+    throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
+};
diff --git a/node_modules/minimalistic-assert/package.json b/node_modules/minimalistic-assert/package.json
new file mode 100644
index 0000000..40cd163
--- /dev/null
+++ b/node_modules/minimalistic-assert/package.json
@@ -0,0 +1,47 @@
+{
+  "_args": [
+    [
+      "minimalistic-assert@1.0.1",
+      "X:\\dev\\neard\\www\\github\\ghaction\\ghaction-import-gpg"
+    ]
+  ],
+  "_from": "minimalistic-assert@1.0.1",
+  "_id": "minimalistic-assert@1.0.1",
+  "_inBundle": false,
+  "_integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
+  "_location": "/minimalistic-assert",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "minimalistic-assert@1.0.1",
+    "name": "minimalistic-assert",
+    "escapedName": "minimalistic-assert",
+    "rawSpec": "1.0.1",
+    "saveSpec": null,
+    "fetchSpec": "1.0.1"
+  },
+  "_requiredBy": [
+    "/asn1.js"
+  ],
+  "_resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
+  "_spec": "1.0.1",
+  "_where": "X:\\dev\\neard\\www\\github\\ghaction\\ghaction-import-gpg",
+  "author": "",
+  "bugs": {
+    "url": "https://github.com/calvinmetcalf/minimalistic-assert/issues"
+  },
+  "description": "minimalistic-assert ===",
+  "homepage": "https://github.com/calvinmetcalf/minimalistic-assert",
+  "license": "ISC",
+  "main": "index.js",
+  "name": "minimalistic-assert",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/calvinmetcalf/minimalistic-assert.git"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "version": "1.0.1"
+}
diff --git a/node_modules/minimalistic-assert/readme.md b/node_modules/minimalistic-assert/readme.md
new file mode 100644
index 0000000..2ca0d25
--- /dev/null
+++ b/node_modules/minimalistic-assert/readme.md
@@ -0,0 +1,4 @@
+minimalistic-assert
+===
+
+very minimalistic assert module.