本文整理汇总了Python中Crypto.PublicKey.ECC类的典型用法代码示例。如果您正苦于以下问题：Python ECC类的具体用法？Python ECC怎么用？Python ECC使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ECC类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_export_openssh_compressed
def test_export_openssh_compressed(self):
key_file = load_file("ecc_p384_public_openssh.txt", "rt")
pub_key = ECC.import_key(key_file)
key_file_compressed = pub_key.export_key(format="OpenSSH", compress=True)
assert len(key_file) > len(key_file_compressed)
self.assertEquals(pub_key, ECC.import_key(key_file_compressed))示例2: test_compressed_curve
def test_compressed_curve(self):
# Compressed P-384 curve (Y-point is even)
# openssl ecparam -name secp384p1 -genkey -noout -conv_form compressed -out /tmp/a.pem
# openssl ec -in /tmp/a.pem -text -noout
pem1 = """-----BEGIN EC PRIVATE KEY-----
MIGkAgEBBDAM0lEIhvXuekK2SWtdbgOcZtBaxa9TxfpO/GcDFZLCJ3JVXaTgwken
QT+C+XLtD6WgBwYFK4EEACKhZANiAATs0kZMhFDu8DoBC21jrSDPyAUn4aXZ/DM4
ylhDfWmb4LEbeszXceIzfhIUaaGs5y1xXaqf5KXTiAAYx2pKUzAAM9lcGUHCGKJG
k4AgUmVJON29XoUilcFrzjDmuye3B6Q=
-----END EC PRIVATE KEY-----"""
# Compressed P-384 curve (Y-point is odd)
pem2 = """-----BEGIN EC PRIVATE KEY-----
MIGkAgEBBDDHPFTslYLltE16fHdSDTtE/2HTmd3M8mqy5MttAm4wZ833KXiGS9oe
kFdx9sNV0KygBwYFK4EEACKhZANiAASLIE5RqVMtNhtBH/u/p/ifqOAlKnK/+RrQ
YC46ZRsnKNayw3wATdPjgja7L/DSII3nZK0G6KOOVwJBznT/e+zudUJYhZKaBLRx
/bgXyxUtYClOXxb1Y/5N7txLstYRyP0=
-----END EC PRIVATE KEY-----"""
key1 = ECC.import_key(pem1)
low16 = int(key1.pointQ.y % 65536)
self.assertEqual(low16, 0x07a4)
key2 = ECC.import_key(pem2)
low16 = int(key2.pointQ.y % 65536)
self.assertEqual(low16, 0xc8fd)示例3: test_import_private_pkcs8_clear
def test_import_private_pkcs8_clear(self):
key_file = load_file("ecc_p521_private_p8_clear.der")
key = ECC._import_der(key_file, None)
self.assertEqual(self.ref_private, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_private, key)示例4: test_import_private_pkcs8_encrypted_1
def test_import_private_pkcs8_encrypted_1(self):
key_file = load_file("ecc_p521_private_p8.der")
key = ECC._import_der(key_file, "secret")
self.assertEqual(self.ref_private, key)
key = ECC.import_key(key_file, "secret")
self.assertEqual(self.ref_private, key)示例5: test_import_x509_der
def test_import_x509_der(self):
key_file = load_file("ecc_p521_x509.der")
key = ECC._import_der(key_file, None)
self.assertEqual(self.ref_public, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_public, key)示例6: test_import_openssh
def test_import_openssh(self):
key_file = load_file("ecc_p521_public_openssh.txt")
key = ECC._import_openssh(key_file)
self.assertEqual(self.ref_public, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_public, key)示例7: test_generate
def test_generate(self):
key = ECC.generate(curve="P-256")
self.assertTrue(key.has_private())
self.assertEqual(key.pointQ, EccPoint(_curve.Gx, _curve.Gy) * key.d)
# Other names
ECC.generate(curve="secp256r1")
ECC.generate(curve="prime256v1")示例8: test_import_private_pem_encrypted
def test_import_private_pem_encrypted(self):
for algo in "des3", "aes128", "aes192", "aes256", "aes256_gcm":
key_file = load_file("ecc_p521_private_enc_%s.pem" % algo)
key = ECC.import_key(key_file, "secret")
self.assertEqual(self.ref_private, key)
key = ECC.import_key(tostr(key_file), b"secret")
self.assertEqual(self.ref_private, key)示例9: test_generate
def test_generate(self):
curve = _curves['p521']
key = ECC.generate(curve="P-521")
self.failUnless(key.has_private())
self.assertEqual(key.pointQ, EccPoint(curve.Gx, curve.Gy, "p521") * key.d)
# Other names
ECC.generate(curve="secp521r1")
ECC.generate(curve="prime521v1")示例10: create_ref_keys
def create_ref_keys():
key_lines = load_file("ecc_p256.txt").splitlines()
private_key_d = bytes_to_long(compact(key_lines[2:5]))
public_key_xy = compact(key_lines[6:11])
assert bord(public_key_xy[0]) == 4 # Uncompressed
public_key_x = bytes_to_long(public_key_xy[1:33])
public_key_y = bytes_to_long(public_key_xy[33:])
return (ECC.construct(curve="P-256", d=private_key_d),
ECC.construct(curve="P-256", point_x=public_key_x, point_y=public_key_y))示例11: test_import_private_der
def test_import_private_der(self):
key_file = load_file("ecc_p384_private.der")
key = ECC._import_private_der(key_file, None)
self.assertEqual(self.ref_private, key)
key = ECC._import_der(key_file, None)
self.assertEqual(self.ref_private, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_private, key)示例12: test_import_public_der
def test_import_public_der(self):
key_file = load_file("ecc_p521_public.der")
key = ECC._import_subjectPublicKeyInfo(key_file)
self.assertEqual(self.ref_public, key)
key = ECC._import_der(key_file, None)
self.assertEqual(self.ref_public, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_public, key)示例13: create_ref_keys_p521
def create_ref_keys_p521():
key_len = 66
key_lines = load_file("ecc_p521.txt").splitlines()
private_key_d = bytes_to_long(compact(key_lines[2:7]))
public_key_xy = compact(key_lines[8:17])
assert bord(public_key_xy[0]) == 4 # Uncompressed
public_key_x = bytes_to_long(public_key_xy[1:key_len+1])
public_key_y = bytes_to_long(public_key_xy[key_len+1:])
return (ECC.construct(curve="P-521", d=private_key_d),
ECC.construct(curve="P-521", point_x=public_key_x, point_y=public_key_y))示例14: test_unsupported_curve
def test_unsupported_curve(self):
# openssl ecparam -name secp224r1 -genkey -noout -out strange-curve.pem -conv_form uncompressed
curve = """-----BEGIN EC PRIVATE KEY-----
MGgCAQEEHEi7xTHW+5oT8wgpjoEKV7uwMuY8rt2YUZe4j1SgBwYFK4EEACGhPAM6
AATJgfOG+Bnki8robpNM8MtArji43GU9up4B0x9sVhqB+fZP+hXgV9ITN7YX4E/k
gVnJp9EBND/tHQ==
-----END EC PRIVATE KEY-----"""
from Crypto.PublicKey.ECC import UnsupportedEccFeature
try:
ECC.import_key(curve)
except UnsupportedEccFeature as uef:
assert("1.3.132.0.33" in str(uef))
else:
assert(False)示例15: decrypt_with_ecc
def decrypt_with_ecc(private_ecc_key, random_pubkey_str, nonce, ctx, tag):
"""Takes elliptic curve isntance (private_ecc_key) and a byte string
(message), and decrypts the ciphertext (ctx) after verifying the
tag.
"""
assert isinstance(private_ecc_key, ECC.EccKey), \
"private_ecc_key should be ECC key. Got {}" \
.format(type(private_ecc_key))
# parse the ciphertext
random_ecc_key = ECC.import_key(random_pubkey_str)
new_point = random_ecc_key.pointQ * private_ecc_key.d
h = SHA256.new(str(new_point.x))
h.update(str(new_point.y))
key = h.digest()
if not nonce:
nonce = os.urandom(16)
aes_engine = AES.new(key=key, mode=AES.MODE_EAX, nonce=nonce)
msg = ''
try:
msg = aes_engine.decrypt_and_verify(ctx, tag)
except ValueError:
print "The tag verification failed. Means: ciphertext has been "\
"tampered or key is incorrect"
return msg