1 files changed, 19 insertions, 0 deletions
diff --git a/node_modules/public-encrypt/mgf.js b/node_modules/public-encrypt/mgf.js
new file mode 100644
index 0000000..b966f31
--- /dev/null
+++ b/node_modules/public-encrypt/mgf.js
@@ -0,0 +1,19 @@
+var createHash = require('create-hash')
+var Buffer = require('safe-buffer').Buffer
+
+module.exports = function (seed, len) {
+  var t = Buffer.alloc(0)
+  var i = 0
+  var c
+  while (t.length < len) {
+    c = i2ops(i++)
+    t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()])
+  }
+  return t.slice(0, len)
+}
+
+function i2ops (c) {
+  var out = Buffer.allocUnsafe(4)
+  out.writeUInt32BE(c, 0)
+  return out
+}