1 files changed, 61 insertions, 0 deletions
diff --git a/sys/contrib/libsodium/src/libsodium/randombytes/nativeclient/randombytes_nativeclient.c b/sys/contrib/libsodium/src/libsodium/randombytes/nativeclient/randombytes_nativeclient.c
new file mode 100644
index 000000000000..85ffa9b29bbf
--- /dev/null
+++ b/sys/contrib/libsodium/src/libsodium/randombytes/nativeclient/randombytes_nativeclient.c
@@ -0,0 +1,61 @@
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifdef __native_client__
+# include <irt.h>
+
+# include "core.h"
+# include "utils.h"
+# include "randombytes.h"
+# include "randombytes_nativeclient.h"
+
+static void
+randombytes_nativeclient_buf(void * const buf, const size_t size)
+{
+    unsigned char          *buf_ = (unsigned char *) buf;
+    struct nacl_irt_random  rand_intf;
+    size_t                  readnb = (size_t) 0U;
+    size_t                  toread = size;
+
+    if (nacl_interface_query(NACL_IRT_RANDOM_v0_1, &rand_intf,
+                             sizeof rand_intf) != sizeof rand_intf) {
+        sodium_misuse();
+    }
+    while (toread > (size_t) 0U) {
+        if (rand_intf.get_random_bytes(buf_, size, &readnb) != 0 ||
+            readnb > size) {
+            sodium_misuse();
+        }
+        toread -= readnb;
+        buf_ += readnb;
+    }
+}
+
+static uint32_t
+randombytes_nativeclient_random(void)
+{
+    uint32_t r;
+
+    randombytes_nativeclient_buf(&r, sizeof r);
+
+    return r;
+}
+
+static const char *
+randombytes_nativeclient_implementation_name(void)
+{
+    return "nativeclient";
+}
+
+struct randombytes_implementation randombytes_nativeclient_implementation = {
+    SODIUM_C99(.implementation_name =) randombytes_nativeclient_implementation_name,
+    SODIUM_C99(.random =) randombytes_nativeclient_random,
+    SODIUM_C99(.stir =) NULL,
+    SODIUM_C99(.uniform =) NULL,
+    SODIUM_C99(.buf =) randombytes_nativeclient_buf,
+    SODIUM_C99(.close =) NULL
+};
+
+#endif