def parse_json(self, data): """ Generate fulfillment payload from a dict Args: data (dict): description of the fulfillment Returns: Fulfillment """ self.script = urlsafe_b64decode(base64_add_padding(data['script'])) self.data = urlsafe_b64decode(base64_add_padding(data['data'])) self.keys = urlsafe_b64decode(base64_add_padding(data['keys']))
def parse_json(self, data): """ Generate fulfillment payload from a dict Args: data (dict): description of the fulfillment Returns: Fulfillment """ self.public_key = urlsafe_b64decode(base64_add_padding( data['publicKey'])) self.signature = urlsafe_b64decode(base64_add_padding( data['signature']))
def parse_json(self, data): """ Generate fulfillment payload from a dict Args: data (dict): description of the fulfillment Returns: Fulfillment """ self.public_key = urlsafe_b64decode( base64_add_padding(data['publicKey'])) self.signature = urlsafe_b64decode( base64_add_padding(data['signature']))
def from_uri(serialized_condition): """ Create a Condition object from a URI. This method will parse a condition URI and construct a corresponding Condition object. Args: serialized_condition (str): URI representing the condition Returns: Condition: Resulting object """ if isinstance(serialized_condition, Condition): return serialized_condition elif not isinstance(serialized_condition, str): raise TypeError('Serialized condition must be a string') pieces = serialized_condition.split(':') if not pieces[0] == 'cc': raise ValueError('Serialized condition must start with "cc:"') if not re.match(CONDITION_REGEX_STRICT, serialized_condition): raise ValueError('Invalid condition format') condition = Condition() condition.type_id = int(pieces[1], 16) condition.bitmask = int(pieces[2], 16) condition.hash = base64.urlsafe_b64decode(base64_add_padding( pieces[3])) condition.max_fulfillment_length = int(pieces[4]) return condition
def from_uri(serialized_fulfillment): """ Create a Fulfillment object from a URI. This method will parse a fulfillment URI and construct a corresponding Fulfillment object. Args: serialized_fulfillment (str): URI representing the fulfillment Return: Fulfillment: Resulting object """ if isinstance(serialized_fulfillment, Fulfillment): return serialized_fulfillment elif not isinstance(serialized_fulfillment, str): raise TypeError('Serialized fulfillment must be a string') pieces = serialized_fulfillment.split(':') if not pieces[0] == 'cf': raise ValueError('Serialized fulfillment must start with "cf:"') if not re.match(Fulfillment.REGEX, serialized_fulfillment): raise ValueError('Invalid fulfillment format') # try: type_id = int(pieces[1], 16) payload = base64.urlsafe_b64decode(base64_add_padding(pieces[2])) cls = TypeRegistry.get_class_from_type_id(type_id) fulfillment = cls() fulfillment.parse_payload(Reader.from_source(payload), len(payload)) # except Exception as e: # raise ParsingError(str(e)) return fulfillment
def from_uri(serialized_condition): """ Create a Condition object from a URI. This method will parse a condition URI and construct a corresponding Condition object. Args: serialized_condition (str): URI representing the condition Returns: Condition: Resulting object """ if not isinstance(serialized_condition, str): raise TypeError('Serialized condition must be a string') pieces = serialized_condition.split(':') if not pieces[0] == 'cc': raise ValueError('Serialized condition must start with "cc:"') if not re.match(CONDITION_REGEX_STRICT, serialized_condition): raise ValueError('Invalid condition format') condition = Condition() condition.type_id = int(pieces[1], 16) condition.bitmask = int(pieces[2], 16) condition.hash = base64.urlsafe_b64decode(base64_add_padding(pieces[3])) condition.max_fulfillment_length = int(pieces[4]) return condition
def from_uri(serialized_condition): """ Create a Condition object from a URI. This method will parse a condition URI and construct a corresponding Condition object. Args: serialized_condition (str): URI representing the condition Returns: Condition: Resulting object """ # TODO consider removing. if isinstance(serialized_condition, Condition): return serialized_condition # TODO Use static typing instead (e.g.: with mypy). elif not isinstance(serialized_condition, str): raise TypeError('Serialized condition must be a string') pieces = serialized_condition.split(':') if pieces[0] != CONDITION_URI_SCHEME: raise PrefixError( 'Serialized condition must start with "{}:"'.format( CONDITION_URI_SCHEME ) ) regex_match = re.match(CONDITION_REGEX_STRICT, serialized_condition) if not regex_match: raise ParsingError('Invalid condition format') qs_dict = parse_qs(regex_match.group(2)) try: fingerprint_type = qs_dict['fpt'][0] except (KeyError, IndexError): raise ParsingError( 'Invalid condition format: "fpt" parameter or value missing.') condition_type = TypeRegistry.find_by_name(fingerprint_type) try: cost = qs_dict['cost'][0] except (KeyError, IndexError): raise ParsingError( 'Invalid condition format: "cost" parameter or value missing.') if not re.match(INTEGER_REGEX, cost): raise ParsingError('No or invalid cost provided') fingerprint = regex_match.group(1) condition = Condition() condition.type_id = condition_type['type_id'] condition._subtypes = set() if condition_type['class'].TYPE_CATEGORY == 'compound': condition._subtypes.update(qs_dict['subtypes'][0].split(',')) condition.hash = base64.urlsafe_b64decode( base64_add_padding(fingerprint)) condition.cost = int(cost) return condition
def test_valid_condition_invalid_signature_ilp(self, vk_ilp, signature): vk = VerifyingKey( VerifyingKey.encode( base64_add_padding(vk_ilp[2]['b64']))) msg = base64.b64decode(signature['msg']) assert vk.verify(msg, signature['msg'], encoding='base64') is False assert vk.verify(msg, binascii.hexlify(base64.b64decode(signature['msg'])), encoding='hex') is False assert vk.verify(msg, base64.b64decode(signature['msg']), encoding=None) is False
def parse_json(self, data): """ Generate fulfillment payload from a dict Args: data (dict): description of the fulfillmjson Returns: Fulfillment """ self.preimage = urlsafe_b64decode(base64_add_padding(data['preimage']))
def parse_json(self, data): """ Generate fulfillment payload from a dict Args: data (dict): description of the fulfillmjson Returns: Fulfillment """ self.preimage = urlsafe_b64decode(base64_add_padding(data['preimage']))
def test_sign_verify(self, sk_ilp, vk_ilp): message = 'Hello World!' sk = SigningKey(sk_ilp['b58']) vk = VerifyingKey(vk_ilp['b58']) assert vk.verify(message, sk.sign(message)) is True assert vk.verify(message, sk.sign(message + 'dummy')) is False assert vk.verify(message + 'dummy', sk.sign(message)) is False vk = VerifyingKey( VerifyingKey.encode( base64_add_padding(vk_ilp[2]['b64']))) assert vk.verify(message, sk.sign(message)) is False
def normalize_value(value, key): from cryptoconditions.crypto import (base64_add_padding, base64_remove_padding) if key in ('public_key', 'signature'): value = urlsafe_b64decode(base64_add_padding(value)) if key in ('condition_binary', 'fingerprint_contents', 'message'): value = unhexlify(value.encode()) if key == 'fulfillment': value = base64_remove_padding( urlsafe_b64encode(unhexlify(value.encode()))).decode() return value
def normalize_value(value, key): from cryptoconditions.crypto import (base64_add_padding, base64_remove_padding) if key in ('public_key', 'signature'): value = urlsafe_b64decode(base64_add_padding(value)) if key in ('condition_binary', 'fingerprint_contents', 'message'): value = unhexlify(value.encode()) if key == 'fulfillment': value = base64_remove_padding( urlsafe_b64encode(unhexlify(value.encode()))).decode() return value
def test_generate_sign_verify(self, vk_ilp): sk_b58, vk_b58 = ed25519_generate_key_pair() sk = SigningKey(sk_b58) vk = VerifyingKey(vk_b58) message = 'Hello World!' assert vk.verify(message, sk.sign(message)) is True assert vk.verify(message, sk.sign(message + 'dummy')) is False assert vk.verify(message + 'dummy', sk.sign(message)) is False vk = VerifyingKey( VerifyingKey.encode( base64_add_padding(vk_ilp[2]['b64']))) assert vk.verify(message, sk.sign(message)) is False
def from_uri(serialized_fulfillment): """ Create a Fulfillment object from a URI. This method will parse a fulfillment URI and construct a corresponding Fulfillment object. Args: serialized_fulfillment (str): URI representing the fulfillment Return: Fulfillment: Resulting object """ if not isinstance(serialized_fulfillment, str): raise TypeError('Serialized fulfillment must be a string') uri_bytes = base64.urlsafe_b64decode( base64_add_padding(serialized_fulfillment)) return Fulfillment.from_binary(uri_bytes)
def from_uri(serialized_fulfillment): """ Create a Fulfillment object from a URI. This method will parse a fulfillment URI and construct a corresponding Fulfillment object. Args: serialized_fulfillment (str): URI representing the fulfillment Return: Fulfillment: Resulting object """ if not isinstance(serialized_fulfillment, str): raise TypeError('Serialized fulfillment must be a string') uri_bytes = base64.urlsafe_b64decode( base64_add_padding(serialized_fulfillment)) return Fulfillment.from_binary(uri_bytes)
def basic_ed25519_private_key(basic_ed25519_private_key_base64url): from cryptoconditions.crypto import base64_add_padding return urlsafe_b64decode( base64_add_padding(basic_ed25519_private_key_base64url))
def test_signing_key_encode(self, sk_ilp): private_value_base58 = SigningKey.encode(base64_add_padding(sk_ilp['b64'])) assert private_value_base58 == sk_ilp['b58']
def parse_json(self, json): self.modulus = urlsafe_b64decode(base64_add_padding(json['modulus'])) self.signature = urlsafe_b64decode( base64_add_padding(json['signature']))
def test_signing_key_decode(self, sk_ilp): private_value = SigningKey.decode(sk_ilp['b58']) assert private_value == base64_add_padding(sk_ilp['b64'])
def parse_json(self, json): self.modulus = urlsafe_b64decode(base64_add_padding(json['modulus'])) self.signature = urlsafe_b64decode( base64_add_padding(json['signature']))
def test_verifying_key_encode(self, vk_ilp): public_value_base58 = VerifyingKey.encode(base64_add_padding(vk_ilp['b64'])) assert public_value_base58 == vk_ilp['b58']
def test_verifying_key_decode(self, vk_ilp): public_value = VerifyingKey.decode(vk_ilp['b58']) assert public_value == base64_add_padding(vk_ilp['b64'])
def parse_json(self, data): self.prefix = urlsafe_b64decode(base64_add_padding(data['prefix'])) self.max_message_length = data['maxMessageLength'] self._set_subfulfillment(Fulfillment.from_json(data['subfulfillment']))
def parse_json(self, data): self.prefix = urlsafe_b64decode(base64_add_padding(data['prefix'])) self.max_message_length = data['maxMessageLength'] self._set_subfulfillment(Fulfillment.from_json(data['subfulfillment']))
def basic_ed25519_private_key(basic_ed25519_private_key_base64url): from cryptoconditions.crypto import base64_add_padding return urlsafe_b64decode( base64_add_padding(basic_ed25519_private_key_base64url))