cryptoerrorty

type cryptoerrorty = (

  cerr_error,

  cerr_ciphernotfound,

  cerr_notseekable,

  cerr_cipherinit,

  cerr_invalidopenmode,

  cerr_digestnotfound,

  cerr_cannotwrite,

  cerr_invalidblocksize,

  cerr_invalidkeylength,

  cerr_invaliddatalength,

  cerr_readheader,

  cerr_writeheader,

  cerr_nobio,

  cerr_nopubkey,

  cerr_encrypt,

  cerr_norsakey,

  cerr_noprivkey,

  cerr_decrypt,

  cerr_nokey,

  cerr_cannotrestart,

  cerr_notactive,

  cerr_wrongdatadirection

);