diff --git a/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h b/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h
index 4f31a3e6..713f848d 100644
--- a/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h
+++ b/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h
@@ -21,4 +21,15 @@ int crypto_onetimeauth_poly1305_donna_verify(const unsigned char *h,
                                              const unsigned char *in,
                                              unsigned long long inlen,
                                              const unsigned char *k);
-#endif /* POLY1305_DONNA_H */
+
+int crypto_onetimeauth_poly1305_donna_init(crypto_onetimeauth_poly1305_state *state,
+                                           const unsigned char *key);
+
+int crypto_onetimeauth_poly1305_donna_update(crypto_onetimeauth_poly1305_state *state,
+                                             const unsigned char *in,
+                                             unsigned long long inlen);
+
+int crypto_onetimeauth_poly1305_donna_final(crypto_onetimeauth_poly1305_state *state,
+                                            unsigned char *out);
+
+#endif /* __POLY1305_DONNA_H__ */
diff --git a/src/libsodium/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c b/src/libsodium/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c
index 7ae6d097..3eb28e5f 100644
--- a/src/libsodium/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c
+++ b/src/libsodium/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c
@@ -34,3 +34,25 @@ crypto_onetimeauth_poly1305_verify(const unsigned char *h,
 {
     return implementation->onetimeauth_verify(h, in, inlen, k);
 }
+
+int
+crypto_onetimeauth_poly1305_init(crypto_onetimeauth_poly1305_state *state,
+                                 const unsigned char *key)
+{
+    return implementation->onetimeauth_init(state, key);
+}
+
+int
+crypto_onetimeauth_poly1305_update(crypto_onetimeauth_poly1305_state *state,
+                                   const unsigned char *in,
+                                   unsigned long long inlen)
+{
+    return implementation->onetimeauth_update(state, in, inlen);
+}
+
+int
+crypto_onetimeauth_poly1305_final(crypto_onetimeauth_poly1305_state *state,
+                                  unsigned char *out)
+{
+    return implementation->onetimeauth_final(state, out);
+}