diff --git a/src/libsodium/crypto_shorthash/crypto_shorthash.c b/src/libsodium/crypto_shorthash/crypto_shorthash.c
index 37274f08..b68b58a4 100644
--- a/src/libsodium/crypto_shorthash/crypto_shorthash.c
+++ b/src/libsodium/crypto_shorthash/crypto_shorthash.c
@@ -1,6 +1,24 @@
 
 #include "crypto_shorthash.h"
 
+size_t
+crypto_shorthash_bytes(void)
+{
+    return crypto_shorthash_BYTES;
+}
+
+size_t
+crypto_shorthash_keybytes(void)
+{
+    return crypto_shorthash_KEYBYTES;
+}
+
+const char *
+crypto_shorthash_primitive(void)
+{
+    return crypto_shorthash_PRIMITIVE;
+}
+
 int
 crypto_shorthash(unsigned char *out, const unsigned char *in,
                  unsigned long long inlen, const unsigned char *k)
diff --git a/src/libsodium/include/sodium/crypto_shorthash.h b/src/libsodium/include/sodium/crypto_shorthash.h
index 0669c888..9e8d900b 100644
--- a/src/libsodium/include/sodium/crypto_shorthash.h
+++ b/src/libsodium/include/sodium/crypto_shorthash.h
@@ -1,16 +1,23 @@
 #ifndef crypto_shorthash_H
 #define crypto_shorthash_H
 
-#include "crypto_shorthash_siphash24.h"
+#include <stdlib.h>
 
-#define crypto_shorthash_BYTES crypto_shorthash_siphash24_BYTES
-#define crypto_shorthash_KEYBYTES crypto_shorthash_siphash24_KEYBYTES
-#define crypto_shorthash_PRIMITIVE "siphash24"
+#include "crypto_shorthash_siphash24.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#define crypto_shorthash_BYTES crypto_shorthash_siphash24_BYTES
+size_t  crypto_shorthash_bytes(void);
+
+#define crypto_shorthash_KEYBYTES crypto_shorthash_siphash24_KEYBYTES
+size_t  crypto_shorthash_keybytes(void);
+
+#define crypto_shorthash_PRIMITIVE "siphash24"
+const char *crypto_shorthash_primitive(void);
+
 int crypto_shorthash(unsigned char *out, const unsigned char *in,
                      unsigned long long inlen, const unsigned char *k);