Python derive_elliptic_curve_private_key Examples

Example #1

File: ec.py Project: xiaoawuu/test

def derive_private_key(private_value, curve, backend):
    if not isinstance(private_value, six.integer_types):
        raise TypeError("private_value must be an integer type.")

    if private_value <= 0:
        raise ValueError("private_value must be a positive integer.")

    if not isinstance(curve, EllipticCurve):
        raise TypeError("curve must provide the EllipticCurve interface.")

    return backend.derive_elliptic_curve_private_key(private_value, curve)

Example #2

File: ec.py Project: ctrlaltdel/neutrinator

def derive_private_key(private_value, curve, backend):
    if not isinstance(private_value, six.integer_types):
        raise TypeError("private_value must be an integer type.")

    if private_value <= 0:
        raise ValueError("private_value must be a positive integer.")

    if not isinstance(curve, EllipticCurve):
        raise TypeError("curve must provide the EllipticCurve interface.")

    return backend.derive_elliptic_curve_private_key(private_value, curve)

Example #3

def derive_private_key(
    private_value: int, curve: EllipticCurve, backend=None
) -> EllipticCurvePrivateKey:
    backend = _get_backend(backend)
    if not isinstance(private_value, int):
        raise TypeError("private_value must be an integer type.")

    if private_value <= 0:
        raise ValueError("private_value must be a positive integer.")

    if not isinstance(curve, EllipticCurve):
        raise TypeError("curve must provide the EllipticCurve interface.")

    return backend.derive_elliptic_curve_private_key(private_value, curve)

Example #4

def derive_private_key(
    private_value: int,
    curve: EllipticCurve,
    backend: typing.Any = None,
) -> EllipticCurvePrivateKey:
    from cryptography.hazmat.backends.openssl.backend import backend as ossl

    if not isinstance(private_value, int):
        raise TypeError("private_value must be an integer type.")

    if private_value <= 0:
        raise ValueError("private_value must be a positive integer.")

    if not isinstance(curve, EllipticCurve):
        raise TypeError("curve must provide the EllipticCurve interface.")

    return ossl.derive_elliptic_curve_private_key(private_value, curve)