Initial commit

lab1-Diffie-Hellman/app/participants/alice.py

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+from core.participant import Participant
+from core.public_params import PublicParams
+
+
+class Alice:
+    def __init__(self, params: PublicParams, secret: int | None = None):
+        self.party = Participant(params, secret=secret)
+        self.shared_key = None
+
+    @property
+    def A(self) -> int:
+        return self.party.public_value
+
+    def receive_B(self, B: int):
+        self.shared_key = self.party.compute_shared_key(B)
+        return self.shared_key

lab1-Diffie-Hellman/app/participants/bob.py

@@ -0,0 +1,16 @@
+from core.participant import Participant
+from core.public_params import PublicParams
+
+
+class Bob:
+    def __init__(self, params: PublicParams, secret: int | None = None):
+        self.party = Participant(params, secret=secret)
+        self.shared_key = None
+
+    @property
+    def B(self) -> int:
+        return self.party.public_value
+
+    def receive_A(self, A: int):
+        self.shared_key = self.party.compute_shared_key(A)
+        return self.shared_key