def test_ed25519_kat(secret_key, public_key, message, signed, signature):
sk = binascii.unhexlify(secret_key)
m = binascii.unhexlify(message)
pk = ed25519.publickey_unsafe(sk)
sig = ed25519.signature_unsafe(m, sk, pk)
# Assert that the signature and public key are what we expected
assert binascii.hexlify(pk) == public_key
assert binascii.hexlify(sig) == signature
# Validate the signature using the checkvalid routine
ed25519.checkvalid(sig, m, pk)
# Assert that we cannot forge a message
try:
if len(m) == 0:
forgedm = b"x"
else:
forgedm = ed25519.intlist2bytes([
ed25519.indexbytes(m, i) + (i == len(m) - 1)
for i in range(len(m))
])
except ValueError:
# TODO: Yes this means that we "pass" a test if we can't generate a
# forged message. This matches the original test suite, it's
# unclear if it was intentional there or not.
pass
else:
with pytest.raises(ed25519.SignatureMismatch):
ed25519.checkvalid(sig, forgedm, pk)
def test_ed25519_kat(secret_key, public_key, message, signed, signature):
sk = binascii.unhexlify(secret_key)
m = binascii.unhexlify(message)
pk = ed25519.publickey_unsafe(sk)
sig = ed25519.signature_unsafe(m, sk, pk)
# Assert that the signature and public key are what we expected
assert binascii.hexlify(pk) == public_key
assert binascii.hexlify(sig) == signature
# Validate the signature using the checkvalid routine
ed25519.checkvalid(sig, m, pk)
# Assert that we cannot forge a message
try:
if len(m) == 0:
forgedm = b"x"
else:
forgedm = ed25519.intlist2bytes([
ed25519.indexbytes(m, i) + (i == len(m) - 1)
for i in range(len(m))
])
except ValueError:
# TODO: Yes this means that we "pass" a test if we can't generate a
# forged message. This matches the original test suite, it's
# unclear if it was intentional there or not.
pass
else:
with pytest.raises(ed25519.SignatureMismatch):
ed25519.checkvalid(sig, forgedm, pk)
def _signature(message, private_key):
"""
Calculate signature for given message and private key
:param message: proto that has payload message inside
:param private_key: hex string with private key
:return: a proto Signature message
"""
public_key = IrohaCrypto.derive_public_key(private_key)
sk = binascii.unhexlify(private_key)
pk = binascii.unhexlify(public_key)
message_hash = IrohaCrypto.hash(message)
signature_bytes = ed25519.signature_unsafe(message_hash, sk, pk)
signature = primitive_pb2.Signature()
signature.public_key = public_key
signature.signature = binascii.hexlify(signature_bytes)
return signature
# 2013 by Donald Stufft <*****@*****.**>
# 2013 by Alex Gaynor <*****@*****.**>
# 2013 by Greg Price <*****@*****.**>
#
# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
import os
import timeit
import ed25519
seed = os.urandom(32)
data = b"The quick brown fox jumps over the lazy dog"
private_key = seed
public_key = ed25519.publickey_unsafe(seed)
signature = ed25519.signature_unsafe(data, private_key, public_key)
print('\nTime verify signature')
print(
timeit.timeit(
"ed25519.checkvalid(signature, data, public_key)",
setup="from __main__ import ed25519, signature, data, public_key",
number=100,
))
# 2013 by Greg Price <*****@*****.**>
#
# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
import os
import timeit
import ed25519
seed = os.urandom(32)
data = b"The quick brown fox jumps over the lazy dog"
private_key = seed
public_key = ed25519.publickey_unsafe(seed)
signature = ed25519.signature_unsafe(data, private_key, public_key)
print("\nTime verify signature")
print(
timeit.timeit(
"ed25519.checkvalid(signature, data, public_key)",
setup="from __main__ import ed25519, signature, data, public_key",
number=100,
)
)