Export missing crypto_ipcrypt_nd_keygen() helper function

dist-build/emscripten-symbols.def

@@ -283,6 +283,7 @@ _crypto_ipcrypt_nd_decrypt 1 1
 _crypto_ipcrypt_nd_encrypt 1 1
 _crypto_ipcrypt_nd_inputbytes 1 1
 _crypto_ipcrypt_nd_keybytes 1 1
+_crypto_ipcrypt_nd_keygen 1 1
 _crypto_ipcrypt_nd_outputbytes 1 1
 _crypto_ipcrypt_nd_tweakbytes 1 1
 _crypto_ipcrypt_ndx_decrypt 1 1

src/libsodium/crypto_ipcrypt/crypto_ipcrypt.c

@@ -98,6 +98,12 @@ crypto_ipcrypt_keygen(unsigned char k[crypto_ipcrypt_KEYBYTES])
     randombytes_buf(k, crypto_ipcrypt_KEYBYTES);
 }
 
+void
+crypto_ipcrypt_nd_keygen(unsigned char k[crypto_ipcrypt_ND_KEYBYTES])
+{
+    randombytes_buf(k, crypto_ipcrypt_ND_KEYBYTES);
+}
+
 void
 crypto_ipcrypt_ndx_keygen(unsigned char k[crypto_ipcrypt_NDX_KEYBYTES])
 {

src/libsodium/include/sodium/crypto_ipcrypt.h

@@ -63,6 +63,10 @@ size_t crypto_ipcrypt_pfx_bytes(void);
 SODIUM_EXPORT
 void crypto_ipcrypt_keygen(unsigned char k[crypto_ipcrypt_KEYBYTES]) __attribute__((nonnull));
 
+SODIUM_EXPORT
+void crypto_ipcrypt_nd_keygen(unsigned char k[crypto_ipcrypt_ND_KEYBYTES])
+    __attribute__((nonnull));
+
 SODIUM_EXPORT
 void crypto_ipcrypt_ndx_keygen(unsigned char k[crypto_ipcrypt_NDX_KEYBYTES])
     __attribute__((nonnull));

test/default/ipcrypt.c

@@ -58,6 +58,7 @@ int
 main(void)
 {
     unsigned char key[crypto_ipcrypt_KEYBYTES];
+    unsigned char nd_key[crypto_ipcrypt_ND_KEYBYTES];
     unsigned char ndx_key[crypto_ipcrypt_NDX_KEYBYTES];
     unsigned char pfx_key[crypto_ipcrypt_PFX_KEYBYTES];
     unsigned char input[crypto_ipcrypt_BYTES];
@@ -632,6 +633,7 @@ main(void)
     printf("\nfunctional tests\n");
 
     crypto_ipcrypt_keygen(key);
+    crypto_ipcrypt_nd_keygen(nd_key);
     crypto_ipcrypt_ndx_keygen(ndx_key);
     crypto_ipcrypt_pfx_keygen(pfx_key);
     printf("OK: Key generation functions\n");