Fast CRC implementations ported from Intel's efforts

Provides fast CRC32C with PCLMULQDQ instructions in Golang

The white papers on CRC32C calculations with PCLMULQDQ instruction can be
  downloaded from:

http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/crc-iscsi-polynomial-crc32-instruction-paper.pdf
http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-paper.pdf

pkgs/crc32c/crc32c_test.go

@@ -0,0 +1,24 @@
+package crc32c
+
+import (
+	. "gopkg.in/check.v1"
+	"testing"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type MySuite struct{}
+
+var _ = Suite(&MySuite{})
+
+func (s *MySuite) TestCrc32c(c *C) {
+	data_1 := []byte("Lorem Ipsum is simply dummy text of the printing and typesetting industry")
+	crc, err := Crc32c(data_1)
+	c.Assert(err, IsNil)
+
+	data_2 := []byte("Lorem Ipsum is simply dummy text of the printing and typesetting industry")
+	newcrc, newerr := Crc32c(data_2)
+	c.Assert(newerr, IsNil)
+
+	c.Assert(crc, Equals, newcrc)
+}