BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
BIO_printf(bio_err,"-signature file signature to verify\n");
BIO_printf(bio_err,"-binary output in binary form\n");
+ BIO_printf(bio_err,"-hmac key create hashed MAC with key\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
#endif