http://hg.viff.dk/viff/rev/476bac16b2d9
changeset: 1059:476bac16b2d9
user: Martin Geisler <[email protected]>
date: Tue Dec 16 13:21:27 2008 +0100
summary: Added abstract methods to Runtime.
The idea is that all classes inheriting from Runtime should define
input, output, add, and mul methods with the interface from Runtime.
diffstat:
1 file changed, 35 insertions(+)
viff/runtime.py | 35 +++++++++++++++++++++++++++++++++++
diffs (45 lines):
diff -r 806148d6146f -r 476bac16b2d9 viff/runtime.py
--- a/viff/runtime.py Tue Dec 16 13:21:22 2008 +0100
+++ b/viff/runtime.py Tue Dec 16 13:21:27 2008 +0100
@@ -680,6 +680,41 @@
wait_list.append(ready)
return DeferredList(wait_list)
+ def input(self, inputters, field, number=None):
+ """Input *number* to the computation.
+
+ The players listed in *inputters* must provide an input
+ number, everybody will receive a list with :class:`Share`
+ objects, one from each *inputter*. If only a single player is
+ listed in *inputters*, then a :class:`Share` is given back
+ directly.
+ """
+ raise NotImplemented("Override this abstract method in a subclass.")
+
+ def output(self, share, receivers=None):
+ """Open *share* to *receivers* (defaults to all players).
+
+ Returns a :class:`Share` to players with IDs in *receivers*
+ and :const:`None` to the remaining players.
+ """
+ raise NotImplemented("Override this abstract method in a subclass.")
+
+ def add(self, share_a, share_b):
+ """Secure addition.
+
+ At least one of the arguments must be a :class:`Share`, the
+ other can be a :class:`FieldElement` or a (possible long)
+ Python integer."""
+ raise NotImplemented("Override this abstract method in a subclass.")
+
+ def mul(self, share_a, share_b):
+ """Secure multiplication.
+
+ At least one of the arguments must be a :class:`Share`, the
+ other can be a :class:`FieldElement` or a (possible long)
+ Python integer."""
+ raise NotImplemented("Override this abstract method in a subclass.")
+
def make_runtime_class(runtime_class=None, mixins=None):
"""Creates a new runtime class with *runtime_class* as a base
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