vendor/libsodium/src/libsodium/include/sodium/crypto_auth_hmacsha512.h in rbnacl-libsodium-1.0.11 vs vendor/libsodium/src/libsodium/include/sodium/crypto_auth_hmacsha512.h in rbnacl-libsodium-1.0.13

@@ -37,10 +37,11 @@
 
 typedef struct crypto_auth_hmacsha512_state {
     crypto_hash_sha512_state ictx;
     crypto_hash_sha512_state octx;
 } crypto_auth_hmacsha512_state;
+
 SODIUM_EXPORT
 size_t crypto_auth_hmacsha512_statebytes(void);
 
 SODIUM_EXPORT
 int crypto_auth_hmacsha512_init(crypto_auth_hmacsha512_state *state,
@@ -53,9 +54,12 @@
                                   unsigned long long inlen);
 
 SODIUM_EXPORT
 int crypto_auth_hmacsha512_final(crypto_auth_hmacsha512_state *state,
                                  unsigned char *out);
+
+SODIUM_EXPORT
+void crypto_auth_hmacsha512_keygen(unsigned char k[crypto_auth_hmacsha512_KEYBYTES]);
 
 #ifdef __cplusplus
 }
 #endif