cryptography.hazmat.primitives.asymmetric.ec

This module has no docstring.

Classes

AsymmetricSignatureContext

finalize(self)


          Returns the signature as bytes.

update(self, data)


          Processes the provided bytes and returns nothing.

AsymmetricVerificationContext

update(self, data)


          Processes the provided bytes and returns nothing.

verify(self)


          Raises an exception if the bytes provided to update do not match the
          signature or the signature does not match the public key.

BrainpoolP256R1

key_size = 256

name = 'brainpoolP256r1'

BrainpoolP384R1

key_size = 384

name = 'brainpoolP384r1'

BrainpoolP512R1

key_size = 512

name = 'brainpoolP512r1'

ECDH

ECDSA

algorithm = <property object at 0x7ff35ff892c0>

EllipticCurve

key_size = <abc.abstractproperty object at 0x7ff35ff7da60>

          Bit size of a secret scalar for the curve.

name = <abc.abstractproperty object at 0x7ff35ff7da00>

          The name of the curve. e.g. secp256r1.

EllipticCurveOID

BRAINPOOLP256R1 = <ObjectIdentifier(oid=1.3.36.3.3.2.8.1.1.7, name=Unknown OID)>

BRAINPOOLP384R1 = <ObjectIdentifier(oid=1.3.36.3.3.2.8.1.1.11, name=Unknown OID)>

BRAINPOOLP512R1 = <ObjectIdentifier(oid=1.3.36.3.3.2.8.1.1.13, name=Unknown OID)>

SECP192R1 = <ObjectIdentifier(oid=1.2.840.10045.3.1.1, name=Unknown OID)>

SECP224R1 = <ObjectIdentifier(oid=1.3.132.0.33, name=Unknown OID)>

SECP256K1 = <ObjectIdentifier(oid=1.3.132.0.10, name=Unknown OID)>

SECP256R1 = <ObjectIdentifier(oid=1.2.840.10045.3.1.7, name=Unknown OID)>

SECP384R1 = <ObjectIdentifier(oid=1.3.132.0.34, name=Unknown OID)>

SECP521R1 = <ObjectIdentifier(oid=1.3.132.0.35, name=Unknown OID)>

SECT163K1 = <ObjectIdentifier(oid=1.3.132.0.1, name=Unknown OID)>

SECT163R2 = <ObjectIdentifier(oid=1.3.132.0.15, name=Unknown OID)>

SECT233K1 = <ObjectIdentifier(oid=1.3.132.0.26, name=Unknown OID)>

SECT233R1 = <ObjectIdentifier(oid=1.3.132.0.27, name=Unknown OID)>

SECT283K1 = <ObjectIdentifier(oid=1.3.132.0.16, name=Unknown OID)>

SECT283R1 = <ObjectIdentifier(oid=1.3.132.0.17, name=Unknown OID)>

SECT409K1 = <ObjectIdentifier(oid=1.3.132.0.36, name=Unknown OID)>

SECT409R1 = <ObjectIdentifier(oid=1.3.132.0.37, name=Unknown OID)>

SECT571K1 = <ObjectIdentifier(oid=1.3.132.0.38, name=Unknown OID)>

SECT571R1 = <ObjectIdentifier(oid=1.3.132.0.39, name=Unknown OID)>

EllipticCurvePrivateKey

exchange(self, algorithm: 'ECDH', peer_public_key: 'EllipticCurvePublicKey') -> bytes


          Performs a key exchange operation using the provided algorithm with the
          provided peer's public key.

private_bytes(self, encoding: cryptography.hazmat.primitives._serialization.Encoding, format: cryptography.hazmat.primitives._serialization.PrivateFormat, encryption_algorithm: cryptography.hazmat.primitives._serialization.KeySerializationEncryption) -> bytes


          Returns the key serialized as bytes.

private_numbers(self) -> 'EllipticCurvePrivateNumbers'


          Returns an EllipticCurvePrivateNumbers.

public_key(self) -> 'EllipticCurvePublicKey'


          The EllipticCurvePublicKey for this private key.

sign(self, data, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> bytes


          Signs the data

signer(self, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> cryptography.hazmat.primitives.asymmetric.AsymmetricSignatureContext


          Returns an AsymmetricSignatureContext used for signing data.

curve = <abc.abstractproperty object at 0x7ff35ff7db20>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7ff35ff7db80>

          Bit size of a secret scalar for the curve.

EllipticCurvePrivateKey

exchange(self, algorithm: 'ECDH', peer_public_key: 'EllipticCurvePublicKey') -> bytes


          Performs a key exchange operation using the provided algorithm with the
          provided peer's public key.

private_bytes(self, encoding: cryptography.hazmat.primitives._serialization.Encoding, format: cryptography.hazmat.primitives._serialization.PrivateFormat, encryption_algorithm: cryptography.hazmat.primitives._serialization.KeySerializationEncryption) -> bytes


          Returns the key serialized as bytes.

private_numbers(self) -> 'EllipticCurvePrivateNumbers'


          Returns an EllipticCurvePrivateNumbers.

public_key(self) -> 'EllipticCurvePublicKey'


          The EllipticCurvePublicKey for this private key.

sign(self, data, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> bytes


          Signs the data

signer(self, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> cryptography.hazmat.primitives.asymmetric.AsymmetricSignatureContext


          Returns an AsymmetricSignatureContext used for signing data.

curve = <abc.abstractproperty object at 0x7ff35ff7db20>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7ff35ff7db80>

          Bit size of a secret scalar for the curve.

EllipticCurvePrivateNumbers

private_key(self, backend=None) -> cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey

private_value = <property object at 0x7ff35ff894a0>

public_numbers = <property object at 0x7ff35ff894f0>

EllipticCurvePublicKey

from_encoded_point(curve: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve, data: bytes) -> 'EllipticCurvePublicKey'

public_bytes(self, encoding: cryptography.hazmat.primitives._serialization.Encoding, format: cryptography.hazmat.primitives._serialization.PublicFormat) -> bytes


          Returns the key serialized as bytes.

public_numbers(self) -> 'EllipticCurvePublicNumbers'


          Returns an EllipticCurvePublicNumbers.

verifier(self, signature: bytes, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> cryptography.hazmat.primitives.asymmetric.AsymmetricVerificationContext


          Returns an AsymmetricVerificationContext used for signing data.

verify(self, signature: bytes, data: bytes, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> None


          Verifies the signature of the data.

curve = <abc.abstractproperty object at 0x7ff35ff7dbe0>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7ff35ff7dc40>

          Bit size of a secret scalar for the curve.

EllipticCurvePublicKey

from_encoded_point(curve: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve, data: bytes) -> 'EllipticCurvePublicKey'

public_bytes(self, encoding: cryptography.hazmat.primitives._serialization.Encoding, format: cryptography.hazmat.primitives._serialization.PublicFormat) -> bytes


          Returns the key serialized as bytes.

public_numbers(self) -> 'EllipticCurvePublicNumbers'


          Returns an EllipticCurvePublicNumbers.

verifier(self, signature: bytes, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> cryptography.hazmat.primitives.asymmetric.AsymmetricVerificationContext


          Returns an AsymmetricVerificationContext used for signing data.

verify(self, signature: bytes, data: bytes, signature_algorithm: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurveSignatureAlgorithm) -> None


          Verifies the signature of the data.

curve = <abc.abstractproperty object at 0x7ff35ff7dbe0>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7ff35ff7dc40>

          Bit size of a secret scalar for the curve.

EllipticCurvePublicNumbers

encode_point(self) -> bytes

from_encoded_point(curve: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve, data: bytes) -> 'EllipticCurvePublicNumbers'

public_key(self, backend=None) -> cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey

curve = <property object at 0x7ff35ff89360>

x = <property object at 0x7ff35ff893b0>

y = <property object at 0x7ff35ff89400>

EllipticCurveSignatureAlgorithm

algorithm = <abc.abstractproperty object at 0x7ff35ff7dac0>

          The digest algorithm used with this signature.

ObjectIdentifier

dotted_string = <property object at 0x7ff35ff7aae0>

SECP192R1

key_size = 192

name = 'secp192r1'

SECP224R1

key_size = 224

name = 'secp224r1'

SECP256K1

key_size = 256

name = 'secp256k1'

SECP256R1

key_size = 256

name = 'secp256r1'

SECP384R1

key_size = 384

name = 'secp384r1'

SECP521R1

key_size = 521

name = 'secp521r1'

SECT163K1

key_size = 163

name = 'sect163k1'

SECT163R2

key_size = 163

name = 'sect163r2'

SECT233K1

key_size = 233

name = 'sect233k1'

SECT233R1

key_size = 233

name = 'sect233r1'

SECT283K1

key_size = 283

name = 'sect283k1'

SECT283R1

key_size = 283

name = 'sect283r1'

SECT409K1

key_size = 409

name = 'sect409k1'

SECT409R1

key_size = 409

name = 'sect409r1'

SECT571K1

key_size = 571

name = 'sect571k1'

SECT571R1

key_size = 570

name = 'sect571r1'

Functions

derive_private_key

derive_private_key(private_value: int, curve: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve, backend=None) -> cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey

generate_private_key

generate_private_key(curve: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve, backend=None) -> cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey

get_curve_for_oid

get_curve_for_oid(oid: cryptography.hazmat._oid.ObjectIdentifier) -> Type[cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve]

Other members

utils = <cryptography.utils._ModuleWithDeprecations object at 0x7ff35ffbbb20>

Modules