cryptography.hazmat.primitives.asymmetric.ec

This module has no docstring.

Classes

AsymmetricSignatureContext

finalize(self) -> bytes


          Returns the signature as bytes.

update(self, data: bytes) -> None


          Processes the provided bytes and returns nothing.

AsymmetricVerificationContext

update(self, data: bytes) -> None


          Processes the provided bytes and returns nothing.

verify(self) -> None


          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 0x7f92bf0d7360>

EllipticCurve

key_size = <abc.abstractproperty object at 0x7f92bf0bbca0>

          Bit size of a secret scalar for the curve.

name = <abc.abstractproperty object at 0x7f92bf0bbb80>

          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: bytes, 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 0x7f92bf0bbfa0>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7f92bf0d0040>

          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: bytes, 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 0x7f92bf0bbfa0>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7f92bf0d0040>

          Bit size of a secret scalar for the curve.

EllipticCurvePrivateNumbers

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

private_value = <property object at 0x7f92bf0d7540>

public_numbers = <property object at 0x7f92bf0d7590>

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 0x7f92bf0d00a0>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7f92bf0d0100>

          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 0x7f92bf0d00a0>

          The EllipticCurve that this key is on.

key_size = <abc.abstractproperty object at 0x7f92bf0d0100>

          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: Any = None) -> cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey

curve = <property object at 0x7f92bf0d7400>

x = <property object at 0x7f92bf0d7450>

y = <property object at 0x7f92bf0d74a0>

EllipticCurveSignatureAlgorithm

algorithm = <abc.abstractproperty object at 0x7f92bf0bbf40>

          The digest algorithm used with this signature.

ObjectIdentifier

dotted_string = <property object at 0x7f92bf0c7810>

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: Any = None) -> cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey

generate_private_key

generate_private_key(curve: cryptography.hazmat.primitives.asymmetric.ec.EllipticCurve, backend: Any = 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]

Modules