Add JSON Test Vectors

python/chilldkg_ref/chilldkg.py

@@ -8,7 +8,6 @@
 `__all__` list. All other definitions are internal.
 """
 
-from secrets import token_bytes as random_bytes
 from typing import Any, Tuple, List, NamedTuple, NewType, Optional, NoReturn, Dict
 
 from secp256k1lab.secp256k1 import Scalar, GE
@@ -80,7 +79,7 @@ def certeq_message(x: bytes, idx: int) -> bytes:
 
 def certeq_participant_step(hostseckey: bytes, idx: int, x: bytes) -> bytes:
     msg = certeq_message(x, idx)
-    return schnorr_sign(msg, hostseckey, aux_rand=random_bytes(32))
+    return schnorr_sign(msg, hostseckey, aux_rand=b"\x00" * 32)
 
 
 def certeq_cert_len(n: int) -> int:

python/chilldkg_ref/encpedpop.py

@@ -236,7 +236,7 @@ def participant_step2(
         # Translate simplpedpop.ParticipantInvestigationData into our own
         # encpedpop.ParticipantInvestigationData.
         inv_data = ParticipantInvestigationData(e.inv_data, enc_secshare, pads)
-        raise UnknownFaultyParticipantOrCoordinatorError(inv_data, e.args) from e
+        raise UnknownFaultyParticipantOrCoordinatorError(inv_data, *e.args) from e
 
     eq_input += b"".join(enckeys) + b"".join(pubnonces)
     return dkg_output, eq_input

python/chilldkg_ref/simplpedpop.py

@@ -1,4 +1,3 @@
-from secrets import token_bytes as random_bytes
 from typing import List, NamedTuple, NewType, Tuple, Optional, NoReturn
 
 from secp256k1lab.bip340 import schnorr_sign, schnorr_verify
@@ -37,7 +36,7 @@ def pop_msg(idx: int) -> bytes:
 
 def pop_prove(seckey: bytes, idx: int) -> Pop:
     sig = schnorr_sign(
-        pop_msg(idx), seckey, aux_rand=random_bytes(32), tag_prefix=POP_MSG_TAG
+        pop_msg(idx), seckey, aux_rand=b"\x00" * 32, tag_prefix=POP_MSG_TAG
     )
     return Pop(sig)
 

python/secp256k1lab/secp256k1.py

@@ -372,6 +372,14 @@ def from_bytes(b):
         else:
             return GE.from_bytes_uncompressed(b)
 
+    @staticmethod
+    def from_bytes_with_infinity(b):
+        """Convert a compressed or uncompressed encoding to a group element, mapping zeros to infinity."""
+        if b == 33 * b"\x00":
+            return GE()
+        else:
+            return GE.from_bytes(b)
+
     @staticmethod
     def from_bytes_xonly(b):
         """Convert a point given in xonly encoding to a group element."""