Add required export notice to README.md -- closes apache/incubator-pirk#80
diff --git a/README.md b/README.md
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+++ b/README.md
@@ -86,6 +86,32 @@
See the License for the specific language governing permissions and
limitations under the License. See accompanying LICENSE file.
+## Export Control
+
+This distribution includes cryptographic software. The country in which you
+currently reside may have restrictions on the import, possession, use, and/or
+re-export to another country, of encryption software. BEFORE using any
+encryption software, please check your country's laws, regulations and
+policies concerning the import, possession, or use, and re-export of encryption
+software, to see if this is permitted. See <http://www.wassenaar.org/> for more
+information.
+
+The U.S. Government Department of Commerce, Bureau of Industry and Security
+(BIS), has classified this software as Export Commodity Control Number (ECCN)
+5D002.C.1, which includes information security software using or performing
+cryptographic functions with asymmetric algorithms. The form and manner of this
+Apache Software Foundation distribution makes it eligible for export under the
+License Exception ENC Technology Software Unrestricted (TSU) exception (see the
+BIS Export Administration Regulations, Section 740.13) for both object code and
+source code.
+
+The following provides more details on the included cryptographic software:
+
+Apache Pirk implements cryptographic software and is designed for use with the
+Java Cryptography Architecture (JCA).
+
+See
+http://www.oracle.com/us/products/export/eccn-matrix-345817.html
## Apache Software Foundation Incubation
