From 95f2931d541df57b2d46acb46d5306d7b6dcf405 Mon Sep 17 00:00:00 2001
From: mjalalzai <33738574+MForensic@users.noreply.github.com>
Date: Mon, 28 Aug 2023 13:34:49 -0700
Subject: [PATCH] Signature verification cost of committee_size vs dept

---
 scripts/authenticator_cost.py | 29 +++--------------------------
 1 file changed, 3 insertions(+), 26 deletions(-)

diff --git a/scripts/authenticator_cost.py b/scripts/authenticator_cost.py
index de475f2..d4b975d 100644
--- a/scripts/authenticator_cost.py
+++ b/scripts/authenticator_cost.py
@@ -1,13 +1,12 @@
 import time
-import ecdsa
+import ed25519
 
 def verify_signatures(committee_size, depth):
     # Simulate verifying depth * committee_size signatures
     start_time = time.time()
 
-    # ECDSA key generation
-    private_key = ecdsa.SigningKey.generate()
-    public_key = private_key.get_verifying_key()
+    # Generate a single EdDSA key pair for verification
+    private_key, public_key = ed25519.create_keypair()
 
     # Simulate depth * committee_size signature verifications
     for _ in range(depth * committee_size):
@@ -19,25 +18,3 @@ def verify_signatures(committee_size, depth):
     elapsed_time = end_time - start_time
     return elapsed_time
 
-
-
-def aggregate_signatures(committee_size):
-    # Simulate aggregating 3 * committee_size signatures
-    start_time = time.time()
-
-    # ECDSA key generation
-    private_keys = [ecdsa.SigningKey.generate() for _ in range(3 * committee_size)]
-   # public_keys = [private_key.get_verifying_key() for private_key in private_keys]
-
-    # Simulate signature aggregation
-    shared_message = b"Shared message to be signed"
-    signatures = [private_key.sign(shared_message) for private_key in private_keys]
-    aggregated_signature = sum(signatures, ecdsa.util.numbertheory.ordercurve.order)
-
-    # Verify aggregated signature against the shared message
-    public_key = ecdsa.VerifyingKey.from_public_point(aggregated_signature, curve=ecdsa.SECP256k1)
-    assert public_key.verify(aggregated_signature, shared_message)
-
-    end_time = time.time()
-    elapsed_time = end_time - start_time
-    return elapsed_time