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from ctypes import *


class Common(object):

    # PHE elliptic curve point binary length
    PHE_POINT_LENGTH = 65
    # PHE max password length
    PHE_MAX_PASSWORD_LENGTH = 128
    # PHE server identifier length
    PHE_SERVER_IDENTIFIER_LENGTH = 32
    # PHE client identifier length
    PHE_CLIENT_IDENTIFIER_LENGTH = 32
    # PHE account key length
    PHE_ACCOUNT_KEY_LENGTH = 32
    # PHE private key length
    PHE_PRIVATE_KEY_LENGTH = 32
    # PHE public key length
    PHE_PUBLIC_KEY_LENGTH = 65
    # PHE hash length
    PHE_HASH_LEN = 32
    # Maximum data size to encrypt
    PHE_MAX_ENCRYPT_LEN = 1024 * 1024 - 64
    # Maximum data size to decrypt
    PHE_MAX_DECRYPT_LEN = 1024 * 1024
    # Maximum data to authenticate
    PHE_MAX_AUTH_LEN = 1024
