1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/sha.js/hexpp.js b/node_modules/sha.js/hexpp.js
new file mode 100644
index 000000000..4f1e9219f
--- /dev/null
+++ b/node_modules/sha.js/hexpp.js
@@ -0,0 +1,26 @@
+function toHex (buf, group, wrap, LE) {
+  buf = buf.buffer || buf
+  var s = ''
+  var l = buf.byteLength || buf.length
+  for (var i = 0; i < l ; i++) {
+    var byteParam = (i & 0xfffffffc) | (!LE ? i % 4 : 3 - i % 4)
+    s += ((buf[byteParam] >> 4).toString(16)) +
+         ((buf[byteParam] & 0xf).toString(16)) +
+         (group - 1 === i % group ? ' ' : '') +
+         (wrap - 1 === i % wrap ? '\n' : '')
+  }
+  return s
+}
+
+var hexpp = module.exports = function hexpp (buffer, opts) {
+  opts = opts || {}
+  opts.groups = opts.groups || 4
+  opts.wrap = opts.wrap || 16
+  return toHex(buffer, opts.groups, opts.wrap, opts.bigendian, opts.ints)
+}
+
+hexpp.defaults = function (opts) {
+  return function (b) {
+    return hexpp(b, opts)
+  }
+}