Added license file, improved README.

Author: seb-m

COPYING

@@ -0,0 +1,19 @@
+Copyright (c) 2010 Sebastien Martini <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+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.

README.md

@@ -1,9 +1,13 @@
 # Threshold Secret Sharing
-
 Implementation of Shamir's secret sharing scheme [http://tools.ietf.org/html/draft-mcgrew-tss-03](http://tools.ietf.org/html/draft-mcgrew-tss-03)
 
-## Example
+## Requirements
+Python ≥ 2.6 (also compatible with Python 3.x)
+
+## Install
+    $ sudo pip install tss
 
+## Example
     import tss
     # Create 8 shares of the secret recoverable from at least 5
     # differents shares. Use secretid42 as identifier and hash the
@@ -17,6 +21,8 @@ Implementation of Shamir's secret sharing scheme [http://tools.ietf.org/html/dra
         pass  # Handling error
 
 ## Notes
-
 * Operations are _not_ constant-time, and are quite verbose too
 * This implementation doesn't provide ECC encoding/decoding
+
+## License
+MIT License