Python base58.b58encode方法代碼示例

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def export_gcm_encrypted_private_key(self, password: str, salt: str, n: int = 16384) -> str:
        """
        This interface is used to export an AES algorithm encrypted private key with the mode of GCM.

        :param password: the secret pass phrase to generate the keys from.
        :param salt: A string to use for better protection from dictionary attacks.
                      This value does not need to be kept secret, but it should be randomly chosen for each derivation.
                      It is recommended to be at least 8 bytes long.
        :param n: CPU/memory cost parameter. It must be a power of 2 and less than 2**32
        :return: an gcm encrypted private key in the form of string.
        """
        r = 8
        p = 8
        dk_len = 64
        scrypt = Scrypt(n, r, p, dk_len)
        derived_key = scrypt.generate_kd(password, salt)
        iv = derived_key[0:12]
        key = derived_key[32:64]
        hdr = self.__address.b58encode().encode()
        mac_tag, cipher_text = AESHandler.aes_gcm_encrypt_with_iv(self.__private_key, hdr, key, iv)
        encrypted_key = bytes.hex(cipher_text) + bytes.hex(mac_tag)
        encrypted_key_str = base64.b64encode(bytes.fromhex(encrypted_key))
        return encrypted_key_str.decode('utf-8') 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def create_bls_multi_sig(encoded_root_hash):
    pool_state_root_hash = base58.b58encode(b"somefakepoolroothashsomefakepoolroothash").decode("utf-8")
    txn_root_hash = base58.b58encode(b"somefaketxnroothashsomefaketxnroothash").decode("utf-8")
    ledger_id = 1
    timestamp = get_utc_epoch()

    value = MultiSignatureValue(ledger_id=ledger_id,
                                state_root_hash=encoded_root_hash,
                                pool_state_root_hash=pool_state_root_hash,
                                txn_root_hash=txn_root_hash,
                                timestamp=timestamp)

    sign = "1q" * 16
    participants = ["q" * 32, "w" * 32, "e" * 32, "r" * 32]

    return MultiSignature(sign, participants, value) 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def base58_encode(self):
        """Encode as Base58
        
        Base58 is a notation for encoding arbitrary byte data using a 
        restricted set of symbols that can be conveniently used by humans 
        and processed by computers.This property encodes raw data 
        into an ASCII Base58 string.

        Returns:
            Chepy: The Chepy object. 

        Examples:
            >>> Chepy("some data").base58_encode().output.decode()
            "2UDrs31qcWSPi"
        """
        self.state = base58.b58encode(self._convert_to_bytes())
        return self 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def testSponsorDisclosesEncryptedAttribute(addedEncryptedAttribute, symEncData,
                                           looper, userSignerA, sponsorSigner,
                                           sponsor):
    box = libnacl.public.Box(sponsorSigner.naclSigner.keyraw,
                             userSignerA.naclSigner.verraw)

    data = json.dumps({SKEY: symEncData.secretKey,
                       TXN_ID: addedEncryptedAttribute[TXN_ID]})
    nonce, boxedMsg = box.encrypt(data.encode(), pack_nonce=False)

    op = {
        TARGET_NYM: userSignerA.verstr,
        TXN_TYPE: ATTRIB,
        NONCE: base58.b58encode(nonce),
        ENC: base58.b58encode(boxedMsg)
    }
    submitAndCheck(looper, sponsor, op,
                   identifier=sponsorSigner.verstr) 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def ss58_encode(address, address_type=42):
    checksum_prefix = b'SS58PRE'

    if type(address) is bytes or type(address) is bytearray:
        address_bytes = address
    else:
        address_bytes = bytes.fromhex(address)

    if len(address_bytes) == 32:
        # Checksum size is 2 bytes for public key
        checksum_length = 2
    elif len(address_bytes) in [1, 2, 4, 8]:
        # Checksum size is 1 byte for account index
        checksum_length = 1
    else:
        raise ValueError("Invalid length for address")

    address_format = bytes([address_type]) + address_bytes
    checksum = blake2b(checksum_prefix + address_format).digest()

    return base58.b58encode(address_format + checksum[:checksum_length]).decode() 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def test_output_serialization(user_Ed25519, user_pub):
    from bigchaindb.common.transaction import Output

    expected = {
        'condition': {
            'uri': user_Ed25519.condition_uri,
            'details': {
                'type': 'ed25519-sha-256',
                'public_key': b58encode(user_Ed25519.public_key).decode(),
            },
        },
        'public_keys': [user_pub],
        'amount': '1',
    }

    cond = Output(user_Ed25519, [user_pub], 1)

    assert cond.to_dict() == expected 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def test_output_deserialization(user_Ed25519, user_pub):
    from bigchaindb.common.transaction import Output

    expected = Output(user_Ed25519, [user_pub], 1)
    cond = {
        'condition': {
            'uri': user_Ed25519.condition_uri,
            'details': {
                'type': 'ed25519-sha-256',
                'public_key': b58encode(user_Ed25519.public_key).decode(),
            },
        },
        'public_keys': [user_pub],
        'amount': '1',
    }
    cond = Output.from_dict(cond)

    assert cond == expected 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def _fulfillment_to_details(fulfillment):
    """Encode a fulfillment as a details dictionary

    Args:
        fulfillment: Crypto-conditions Fulfillment object
    """

    if fulfillment.type_name == 'ed25519-sha-256':
        return {
            'type': 'ed25519-sha-256',
            'public_key': base58.b58encode(fulfillment.public_key).decode(),
        }

    if fulfillment.type_name == 'threshold-sha-256':
        subconditions = [
            _fulfillment_to_details(cond['body'])
            for cond in fulfillment.subconditions
        ]
        return {
            'type': 'threshold-sha-256',
            'threshold': fulfillment.threshold,
            'subconditions': subconditions,
        }

    raise UnsupportedTypeError(fulfillment.type_name) 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def base58encode(i):
    return base58.b58encode(str(i).encode()) 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def get_address_base58(self) -> str:
        """
        This interface is used to get the base58 encode account address.

        :return:
        """
        return self.__address.b58encode() 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def get_gcm_decoded_private_key(encrypted_key_str: str, password: str, b58_address: str, salt: str, n: int,
                                    scheme: SignatureScheme) -> str:
        """
        This interface is used to decrypt an private key which has been encrypted.

        :param encrypted_key_str: an gcm encrypted private key in the form of string.
        :param password: the secret pass phrase to generate the keys from.
        :param b58_address: a base58 encode address which should be correspond with the private key.
        :param salt: a string to use for better protection from dictionary attacks.
        :param n: CPU/memory cost parameter.
        :param scheme: the signature scheme.
        :return: a private key in the form of string.
        """
        r = 8
        p = 8
        dk_len = 64
        scrypt = Scrypt(n, r, p, dk_len)
        derived_key = scrypt.generate_kd(password, salt)
        iv = derived_key[0:12]
        key = derived_key[32:64]
        encrypted_key = base64.b64decode(encrypted_key_str).hex()
        mac_tag = bytes.fromhex(encrypted_key[64:96])
        cipher_text = bytes.fromhex(encrypted_key[0:64])
        private_key = AESHandler.aes_gcm_decrypt_with_iv(cipher_text, b58_address.encode(), mac_tag, key, iv)
        if len(private_key) == 0:
            raise SDKException(ErrorCode.decrypt_encrypted_private_key_error)
        acct = Account(private_key, scheme)
        if acct.get_address().b58encode() != b58_address:
            raise SDKException(ErrorCode.other_error('Address error.'))
        return private_key.hex() 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def export_wif(self) -> str:
        """
        This interface is used to get export ECDSA private key in the form of WIF which
        is a way to encoding an ECDSA private key and make it easier to copy.

        :return: a WIF encode private key.
        """
        data = b''.join([b'\x80', self.__private_key, b'\01'])
        checksum = Digest.hash256(data[0:34])
        wif = base58.b58encode(b''.join([data, checksum[0:4]]))
        return wif.decode('ascii') 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def b58encode(self):
        data = Address.__COIN_VERSION + self.ZERO
        checksum = Digest.hash256(data)[0:4]
        return base58.b58encode(data + checksum).decode('utf-8') 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def __verkey(self):
        return base58.b58encode(self._node.nodestack.verKey).decode("utf-8") 

# 需要導入模塊: import base58 [as 別名]
# 或者: from base58 import b58encode [as 別名]
def getCryptonym(identifier):
    return base58.b58encode(unhexlify(identifier.encode())).decode() \
        if isHexKey(identifier) else identifier