text: from .._kem.ntruhps2048677 import ffi as __ffi, lib as __lib
  from .common import _kem_generate_keypair_factory, _kem_encrypt_factory, _kem_decrypt_factory
  
  PUBLIC_KEY_SIZE = __lib.CRYPTO_PUBLICKEYBYTES
  SECRET_KEY_SIZE = __lib.CRYPTO_SECRETKEYBYTES
  CIPHERTEXT_SIZE = __lib.CRYPTO_CIPHERTEXTBYTES
  PLAINTEXT_SIZE = __lib.CRYPTO_BYTES
  
  generate_keypair = _kem_generate_keypair_factory(__ffi, __lib)
  encrypt = _kem_encrypt_factory(__ffi, __lib)
  decrypt = _kem_decrypt_factory(__ffi, __lib)
  