text: #define CRYPTO_SECRETKEYBYTES 1125
  #define CRYPTO_PUBLICKEYBYTES 897
  #define CRYPTO_CIPHERTEXTBYTES 1025
  #define CRYPTO_BYTES 32
  #define crypto_kem_PRIMITIVE "ntrulpr653"
  
  int crypto_kem_keypair(unsigned char *,unsigned char *);
  int crypto_kem_enc(unsigned char *,unsigned char *,const unsigned char *);
  int crypto_kem_dec(unsigned char *,const unsigned char *,const unsigned char *);
  