Initial commit; add README.

Change-Id: I08476a6abbd43c06c217a2ae6a8db77d290addf0
Signed-off-by: nagendra modadugu <ngm@chromium.org>
diff --git a/README b/README
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+This directory contains a couple of stand-alone crypto implementations.
+
+These implemenations have no stl or OpenSSL dependencies and are
+endian-neutral.