TR_EXPORT void tr_destroy_dh_params(DH *dh);
TR_EXPORT int tr_compute_dh_key(unsigned char *buf, size_t buflen, BIGNUM *pub_key, DH *priv_dh);
+
+TR_EXPORT void tr_bin_to_hex(const unsigned char * bin, size_t binlen,
+ char * hex_out, size_t hex_len);
+
#endif