axtls: define curlssl_random using axTLS's PRNG

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/vtls/axtls.c b/lib/vtls/axtls.c
index 36cb7ad65..1b577b152 100644
--- a/lib/vtls/axtls.c
+++ b/lib/vtls/axtls.c
@@ -664,4 +664,21 @@ size_t Curl_axtls_version(char *buffer, size_t size)
   return snprintf(buffer, size, "axTLS/%s", ssl_version());
 }
 
+int Curl_axtls_random(struct SessionHandle *data,
+                      unsigned char *entropy,
+                      size_t length)
+{
+  static bool ssl_seeded = FALSE;
+  (void)data;
+  if(!ssl_seeded) {
+    ssl_seeded = TRUE;
+    /* Initialize the seed if not already done. This call is not exactly thread
+     * safe (and neither is the ssl_seeded check), but the worst effect of a
+     * race condition is that some global resources will leak. */
+    RNG_initialize();
+  }
+  get_random(length, entropy);
+  return 0;
+}
+
 #endif /* USE_AXTLS */