def test_vectors4():
sk1 = PrivateKey.from_seed(bytes([1, 2, 3, 4, 5]))
sk2 = PrivateKey.from_seed(bytes([1, 2, 3, 4, 5, 6]))
pk1 = sk1.get_public_key()
pk2 = sk2.get_public_key()
m1 = bytes([7, 8, 9])
m2 = bytes([10, 11, 12])
sig9 = sk1.sign_prepend(m1)
sig10 = sk2.sign_prepend(m2)
assert (sig9.serialize() == bytes.fromhex(
"d2135ad358405d9f2d4e68dc253d64b6049a821797817cffa5aa804086a8fb7b135175bb7183750e3aa19513db1552180f0b0ffd513c322f1c0c30a0a9c179f6e275e0109d4db7fa3e09694190947b17d890f3d58fe0b1866ec4d4f5a59b16ed"
))
assert (sig10.serialize() == bytes.fromhex(
"cc58c982f9ee5817d4fbf22d529cfc6792b0fdcf2d2a8001686755868e10eb32b40e464e7fbfe30175a962f1972026f2087f0495ba6e293ac3cf271762cd6979b9413adc0ba7df153cf1f3faab6b893404c2e6d63351e48cd54e06e449965f08"
))
agg_sig = PrependSignature.aggregate([sig9, sig9, sig10])
message_hashes = [Util.hash256(m1), Util.hash256(m1), Util.hash256(m2)]
pks = [pk1, pk1, pk2]
assert (agg_sig.serialize() == bytes.fromhex(
"c37077684e735e62e3f1fd17772a236b4115d4b581387733d3b97cab08b90918c7e91c23380c93e54be345544026f93505d41e6000392b82ab3c8af1b2e3954b0ef3f62c52fc89f99e646ff546881120396c449856428e672178e5e0e14ec894"
))
assert (agg_sig.verify(message_hashes, pks))
def additional_python_methods():
private_key = PrivateKey.from_seed(b'123')
s1 = private_key.sign(b'message')
s2 = private_key.sign_prepend(b'message')
assert s1.get_insecure_sig().verify([Util.hash256(b'message')],
[private_key.get_public_key()])
assert s2.get_insecure_sig().verify([
Util.hash256(private_key.get_public_key().serialize() +
Util.hash256(b'message'))
], [private_key.get_public_key()])
s1_b = Signature.from_insecure_sig(s1.get_insecure_sig())
s2_b = PrependSignature.from_insecure_sig(s2.get_insecure_sig())
assert s1 == s1_b and s2 == s2_b
s3 = private_key.sign_insecure_prehashed(Util.hash256(b'456'))
assert s3.verify([Util.hash256(b'456')], [private_key.get_public_key()])
esk = ExtendedPrivateKey.from_seed(b'789')
epk = esk.get_public_key()
s3 = private_key.sign(b'message3')
s4 = private_key.sign_insecure(b'message3')
assert bytes(private_key) == private_key.serialize()
assert deepcopy(private_key) == private_key
assert deepcopy(s1) == s1
assert deepcopy(s2) == s2
assert deepcopy(s3) == s3
assert deepcopy(s4) == s4
assert deepcopy(
private_key.get_public_key()) == private_key.get_public_key()
assert deepcopy(esk) == esk
assert deepcopy(epk) == epk
assert deepcopy(esk.get_chain_code()) == esk.get_chain_code()
def throw_wrong_type():
private_key = ExtendedPrivateKey.from_seed(b"foo").get_private_key()
message_hash = bytes([10] * 32)
sig_prepend = private_key.sign_prepend_prehashed(message_hash).serialize()
sig_secure = private_key.sign_prehashed(message_hash).serialize()
try:
Signature.from_bytes(sig_prepend)
except ValueError:
try:
PrependSignature.from_bytes(sig_secure)
except ValueError:
return
assert False
assert False
def no_throw_bad_sig():
private_key = ExtendedPrivateKey.from_seed(b"foo").get_private_key()
message_hash = bytes([9] * 32)
sig = private_key.sign_prepend_prehashed(message_hash).serialize()
sig = sig[:-1] + bytes([0])
public_key = private_key.get_public_key()
try:
bad_signature = PrependSignature.from_bytes(sig)
except ValueError:
return
assert (False)
def additional_python_methods():
private_key = PrivateKey.from_seed(b'123')
s1 = private_key.sign(b'message')
s2 = private_key.sign_prepend(b'message')
assert s1.get_insecure_sig().verify([Util.hash256(b'message')],
[private_key.get_public_key()])
assert s2.get_insecure_sig().verify([
Util.hash256(private_key.get_public_key().serialize() +
Util.hash256(b'message'))
], [private_key.get_public_key()])
s1_b = Signature.from_insecure_sig(s1.get_insecure_sig())
s2_b = PrependSignature.from_insecure_sig(s2.get_insecure_sig())
assert s1 == s1_b and s2 == s2_b
s3 = private_key.sign_insecure_prehashed(Util.hash256(b'456'))
assert s3.verify([Util.hash256(b'456')], [private_key.get_public_key()])
def signature_from_string(signature):
try:
sig = PrependSignature.from_bytes(bytes.fromhex(signature))
except Exception:
raise Exception
return sig
