Legal: Add PD dedication to __init__.py files and hash stubs

From what I can tell, the authors of these files are:

 - Andrew Kuchling (who has dedicated his contributions to the public domain);
   and/or
 - Dwayne Litzenberger (myself).

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/Crypto/Protocol/__init__.py b/lib/Crypto/Protocol/__init__.py
index 516558a..7af7848 100644
--- a/lib/Crypto/Protocol/__init__.py
+++ b/lib/Crypto/Protocol/__init__.py
@@ -1,3 +1,22 @@
+# -*- coding: utf-8 -*-
+#
+# ===================================================================
+# The contents of this file are dedicated to the public domain.  To
+# the extent that dedication to the public domain is not available,
+# everyone is granted a worldwide, perpetual, royalty-free,
+# non-exclusive license to exercise all rights associated with the
+# contents of this file for any purpose whatsoever.
+# No rights are reserved.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+# ===================================================================
 
 """Cryptographic protocols