RadioGatun: added testvectors

tests for radiogatun[32] and radiogatun[64] from
http://radiogatun.noekeon.org/

Author: Christophe Oosterlynck

src/CryptoPlus/Hash/python_RadioGatun.py

@@ -1,13 +1,53 @@
-from pyradiogatun import new
+from pyradiogatun import RadioGatunType
 
 __all__ = ['new']
 
-#def new(wldata=""):
-#        """Return a new RadioGatun hash object
-#
-#        wl  = wordlength (in bits) of the RadioGatun hash method
-#               between 1 and 64 (default = 64)
-#        arg =  if present, the method call update(arg) is made
-#        """
-#        return pyradiogatun.new(data)
+def new(wl=64,arg=None):
+    """Return a new RadioGatun hash object
 
+    wl  = wordlength (in bits) of the RadioGatun hash method
+              between 1 and 64 (default = 64)
+    arg =  if present, the method call update(arg) is made
+
+    EXAMPLES: (testvectors from: http://radiogatun.noekeon.org/)
+    ==========
+    >>> import python_RadioGatun
+    
+    radiogatun[64]
+    ---------------
+    >>> hasher = python_RadioGatun.new()
+    >>> hasher.update('1234567890123456')
+    >>> hasher.hexdigest()
+    'caaec14b5b4a7960d6854709770e3071d635d60224f58aa385867e549ef4cc42'
+
+    >>> hasher = python_RadioGatun.new()
+    >>> hasher.update('Santa Barbara, California')
+    >>> hasher.hexdigest()
+    '0d08daf2354fa95aaa5b6a50f514384ecdd35940252e0631002e600e13cd285f'
+    
+    radiogatun[32]
+    ---------------
+    >>> hasher = python_RadioGatun.new(32)
+    >>> hasher.update('1234567890123456')
+    >>> hasher.hexdigest()
+    '59612324f3f42d3096e69125d2733b86143ae668ae9ed561ad785e0eac8dba25'
+
+    >>> hasher = python_RadioGatun.new(32)
+    >>> hasher.update('Santa Barbara, California')
+    >>> hasher.hexdigest()
+    '041666388ef9655d48996a66dada1193d6646012a7b25a24fb10e6075cf0fc54'
+    """
+
+    crypto = RadioGatunType(wl)
+    if arg:
+        crypto.update(arg)
+
+    return crypto
+
+def _test():
+    import doctest
+    doctest.testmod()
+
+if __name__ == "__main__":
+    print "DOCTEST running... no messages = all good"
+    _test()