python类UnsupportedAlgorithm()的实例源码

def generate_dsa_private_key_and_parameters(self, key_size):
        for b in self._filtered_backends(DSABackend):
            return b.generate_dsa_private_key_and_parameters(key_size)
        raise UnsupportedAlgorithm("DSA is not supported by the backend.",
                                   _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM)

def dsa_hash_supported(self, algorithm):
        for b in self._filtered_backends(DSABackend):
            return b.dsa_hash_supported(algorithm)
        raise UnsupportedAlgorithm("DSA is not supported by the backend.",
                                   _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM)

def dsa_parameters_supported(self, p, q, g):
        for b in self._filtered_backends(DSABackend):
            return b.dsa_parameters_supported(p, q, g)
        raise UnsupportedAlgorithm("DSA is not supported by the backend.",
                                   _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM)

def load_dsa_public_numbers(self, numbers):
        for b in self._filtered_backends(DSABackend):
            return b.load_dsa_public_numbers(numbers)
        raise UnsupportedAlgorithm("DSA is not supported by the backend.",
                                   _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM)

def load_dsa_private_numbers(self, numbers):
        for b in self._filtered_backends(DSABackend):
            return b.load_dsa_private_numbers(numbers)
        raise UnsupportedAlgorithm("DSA is not supported by the backend.",
                                   _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM)

def create_cmac_ctx(self, algorithm):
        for b in self._filtered_backends(CMACBackend):
            try:
                return b.create_cmac_ctx(algorithm)
            except UnsupportedAlgorithm:
                pass
        raise UnsupportedAlgorithm("This backend does not support CMAC.",
                                   _Reasons.UNSUPPORTED_CIPHER)

def generate_elliptic_curve_private_key(self, curve):
        for b in self._filtered_backends(EllipticCurveBackend):
            try:
                return b.generate_elliptic_curve_private_key(curve)
            except UnsupportedAlgorithm:
                continue

        raise UnsupportedAlgorithm(
            "This backend does not support this elliptic curve.",
            _Reasons.UNSUPPORTED_ELLIPTIC_CURVE
        )

def load_elliptic_curve_private_numbers(self, numbers):
        for b in self._filtered_backends(EllipticCurveBackend):
            try:
                return b.load_elliptic_curve_private_numbers(numbers)
            except UnsupportedAlgorithm:
                continue

        raise UnsupportedAlgorithm(
            "This backend does not support this elliptic curve.",
            _Reasons.UNSUPPORTED_ELLIPTIC_CURVE
        )

def load_elliptic_curve_public_numbers(self, numbers):
        for b in self._filtered_backends(EllipticCurveBackend):
            try:
                return b.load_elliptic_curve_public_numbers(numbers)
            except UnsupportedAlgorithm:
                continue

        raise UnsupportedAlgorithm(
            "This backend does not support this elliptic curve.",
            _Reasons.UNSUPPORTED_ELLIPTIC_CURVE
        )

def load_pem_private_key(self, data, password):
        for b in self._filtered_backends(PEMSerializationBackend):
            return b.load_pem_private_key(data, password)

        raise UnsupportedAlgorithm(
            "This backend does not support this key serialization.",
            _Reasons.UNSUPPORTED_SERIALIZATION
        )

def load_der_private_key(self, data, password):
        for b in self._filtered_backends(DERSerializationBackend):
            return b.load_der_private_key(data, password)

        raise UnsupportedAlgorithm(
            "This backend does not support this key serialization.",
            _Reasons.UNSUPPORTED_SERIALIZATION
        )

def load_der_public_key(self, data):
        for b in self._filtered_backends(DERSerializationBackend):
            return b.load_der_public_key(data)

        raise UnsupportedAlgorithm(
            "This backend does not support this key serialization.",
            _Reasons.UNSUPPORTED_SERIALIZATION
        )

def load_pem_x509_certificate(self, data):
        for b in self._filtered_backends(X509Backend):
            return b.load_pem_x509_certificate(data)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def load_der_x509_certificate(self, data):
        for b in self._filtered_backends(X509Backend):
            return b.load_der_x509_certificate(data)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def load_pem_x509_crl(self, data):
        for b in self._filtered_backends(X509Backend):
            return b.load_pem_x509_crl(data)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def load_der_x509_csr(self, data):
        for b in self._filtered_backends(X509Backend):
            return b.load_der_x509_csr(data)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def load_pem_x509_csr(self, data):
        for b in self._filtered_backends(X509Backend):
            return b.load_pem_x509_csr(data)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def create_x509_csr(self, builder, private_key, algorithm):
        for b in self._filtered_backends(X509Backend):
            return b.create_x509_csr(builder, private_key, algorithm)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def create_x509_certificate(self, builder, private_key, algorithm):
        for b in self._filtered_backends(X509Backend):
            return b.create_x509_certificate(builder, private_key, algorithm)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )

def create_x509_crl(self, builder, private_key, algorithm):
        for b in self._filtered_backends(X509Backend):
            return b.create_x509_crl(builder, private_key, algorithm)

        raise UnsupportedAlgorithm(
            "This backend does not support X.509.",
            _Reasons.UNSUPPORTED_X509
        )