def test_SigningSomeTextWithKey1AndVerifyingWithPubkey1_RaisesInvalidSignature(
self):
plain_text = "some text"
key_1, pubkey_1 = ec_secp256k1.generate_keys()
key_2, pubkey_2 = ec_secp256k1.generate_keys()
with raises(ec_secp256k1.InvalidSignature):
valid_signature = ec_secp256k1.sign(key_1, plain_text)
ec_secp256k1.verify(pubkey_2, valid_signature, plain_text)
def test_GenerateSharedKeyWithECDH(self):
key_1, pubkey_1 = ec_secp256k1.generate_keys()
key_2, pubkey_2 = ec_secp256k1.generate_keys()
secret1 = ec_secp256k1.ecdh_key_agreement(key_1, pubkey_2)
secret2 = ec_secp256k1.ecdh_key_agreement(key_2, pubkey_1)
secret_sanity_check = ec_secp256k1.ecdh_key_agreement(key_1, pubkey_1)
assert secret1 == secret2
assert secret1 != secret_sanity_check
def test_SigningSomeTextWithKey1AndVerifyingWithPubkey1_DoesNotRaiseInvalidSignature(
self):
plain_text = "some text"
key, pubkey = ec_secp256k1.generate_keys()
valid_signature = ec_secp256k1.sign(key, plain_text)
ec_secp256k1.verify(pubkey, valid_signature, plain_text)
def test_DumpingAPublicKeyAndLoadingTheRespectiveReturnsTheSameKey(
self, tmpfile):
key, pubkey = ec_secp256k1.generate_keys()
ec_secp256k1.dump_pubkey(pubkey, tmpfile)
loaded_pubkey = ec_secp256k1.load_pubkey(tmpfile)
assert pubkey == loaded_pubkey
def test_DumpingAPrivateKeyWithPasswordAndLoadingTheRespectiveReturnsTheSameKey(
self, tmpfile):
key, pubkey = ec_secp256k1.generate_keys()
ec_secp256k1.dump_key(key, tmpfile, password="******")
loaded_key, loaded_pubkey = ec_secp256k1.load_keys(tmpfile,
password="******")
assert key == loaded_key
assert pubkey == loaded_pubkey
def test_EncryptingAndDecryptingAPrivateKeyWithPasswordReturnsTheSameKey(
self, tmpfile):
key, pubkey = ec_secp256k1.generate_keys()
cypher_text = ec_secp256k1.encrypt_with_password(key, password="******")
recovered_key = ec_secp256k1.decrypt_with_password(cypher_text,
password="******")
assert key != cypher_text
assert key == recovered_key
from groupbank_crypto.ec_secp256k1 import generate_keys G1_priv, G1_pub = generate_keys() G2_priv, G2_pub = generate_keys() C1_priv, C1_pub = generate_keys() C2_priv, C2_pub = generate_keys() C3_priv, C3_pub = generate_keys() C4_priv, C4_pub = generate_keys()
def test_VerifyingACompletelyBrokenSignature_RaisesInvalidSignature(self):
key, pubkey = ec_secp256k1.generate_keys()
with raises(ec_secp256k1.InvalidSignature):
ec_secp256k1.verify(pubkey, "completelyBogûsÇigna_!ture",
"not a chance!")