Python get_algorithm_object Examples

Example #1

File: jws.py Project: chundany/PlannerFw_Exec

def _verify_signature(payload,
                      signing_input,
                      header,
                      signature,
                      key='',
                      algorithms=None):

    alg = header.get('alg')
    if not alg:
        raise JWSError('No algorithm was specified in the JWS header.')

    if algorithms is not None and alg not in algorithms:
        raise JWSError('The specified alg value is not allowed')

    try:
        alg_obj = get_algorithm_object(alg)
        key = alg_obj.prepare_key(key)

        if not alg_obj.verify(signing_input, key, signature):
            raise JWSSignatureError()

    except JWSSignatureError:
        raise JWSError('Signature verification failed.')
    except JWSError:
        raise JWSError('Invalid or unsupported algorithm: %s' % alg)

Example #2

File: jws.py Project: Gwill/python-jose

def _sign_header_and_claims(encoded_header, encoded_claims, algorithm, key):
    signing_input = b'.'.join([encoded_header, encoded_claims])
    try:
        alg_obj = get_algorithm_object(algorithm)
        key = alg_obj.prepare_key(key)
        signature = alg_obj.sign(signing_input, key)
    except Exception as e:
        raise JWSError(e)

    encoded_signature = base64url_encode(signature)

    encoded_string = b'.'.join([encoded_header, encoded_claims, encoded_signature])

    return encoded_string.decode('utf-8')

Example #3

File: jws.py Project: chundany/PlannerFw_Exec

def _sign_header_and_claims(encoded_header, encoded_claims, algorithm, key):
    signing_input = b'.'.join([encoded_header, encoded_claims])
    try:
        alg_obj = get_algorithm_object(algorithm)
        key = alg_obj.prepare_key(key)
        signature = alg_obj.sign(signing_input, key)
    except Exception as e:
        raise JWSError(e)

    encoded_signature = base64url_encode(signature)

    encoded_string = b'.'.join(
        [encoded_header, encoded_claims, encoded_signature])

    return encoded_string.decode('utf-8')

Example #4

File: jws.py Project: Gwill/python-jose

def _verify_signature(payload, signing_input, header, signature, key='', algorithms=None):

        alg = header.get('alg')
        if not alg:
            raise JWSError('No algorithm was specified in the JWS header.')

        if algorithms is not None and alg not in algorithms:
            raise JWSError('The specified alg value is not allowed')

        try:
            alg_obj = get_algorithm_object(alg)
            key = alg_obj.prepare_key(key)

            if not alg_obj.verify(signing_input, key, signature):
                raise JWSSignatureError()

        except JWSSignatureError:
            raise JWSError('Signature verification failed.')
        except JWSError:
            raise JWSError('Invalid or unsupported algorithm: %s' % alg)

Example #5

 def test_get_algorithm(self):
     with pytest.raises(Exception):
         get_algorithm_object('SOMETHING')

Example #6

File: test_algorithms.py Project: 0x64746b/python-jose

 def test_get_algorithm(self):
     with pytest.raises(Exception):
         get_algorithm_object('SOMETHING')