From 45deb2802f509a0dca03694f5be93ecefd82d78f Mon Sep 17 00:00:00 2001
From: Chris Conlon <chris@wolfssl.com>
Date: Fri, 5 Apr 2024 10:04:29 -0600
Subject: [PATCH] JCE: add support for SecureRandom.getInstance("DEFAULT"),
 maps to HashDRBG

---
 README_JCE.md                                             | 1 +
 .../java/com/wolfssl/provider/jce/WolfCryptProvider.java  | 2 ++
 .../wolfssl/provider/jce/test/WolfCryptRandomTest.java    | 8 +++++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/README_JCE.md b/README_JCE.md
index 9bfde157..49cf3582 100644
--- a/README_JCE.md
+++ b/README_JCE.md
@@ -34,6 +34,7 @@ The JCE provider currently supports the following algorithms:
         SHA-512
 
     SecureRandom Class
+        DEFAULT (maps to HashDRBG)
         HashDRBG
 
     Cipher Class
diff --git a/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java b/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java
index 0d502c0f..c38f9cad 100644
--- a/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java
+++ b/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java
@@ -65,6 +65,8 @@ public WolfCryptProvider() {
         /* SecureRandom */
         /* TODO: May need to add "SHA1PRNG" alias, other JCA consumemrs may
          * explicitly request it? Needs more testing. */
+        put("SecureRandom.DEFAULT",
+                "com.wolfssl.provider.jce.WolfCryptRandom");
         put("SecureRandom.HashDRBG",
                 "com.wolfssl.provider.jce.WolfCryptRandom");
 
diff --git a/src/test/java/com/wolfssl/provider/jce/test/WolfCryptRandomTest.java b/src/test/java/com/wolfssl/provider/jce/test/WolfCryptRandomTest.java
index fd93f4fb..b209a5e2 100644
--- a/src/test/java/com/wolfssl/provider/jce/test/WolfCryptRandomTest.java
+++ b/src/test/java/com/wolfssl/provider/jce/test/WolfCryptRandomTest.java
@@ -57,7 +57,13 @@ public static void testProviderInstallationAtRuntime() {
     public void testGetRandomFromProvider()
         throws NoSuchProviderException, NoSuchAlgorithmException {
 
-        SecureRandom rand = SecureRandom.getInstance("HashDRBG", "wolfJCE");
+        SecureRandom rand = null;
+
+        /* HashDRBG */
+        rand = SecureRandom.getInstance("HashDRBG", "wolfJCE");
+
+        /* DEFAULT */
+        rand = SecureRandom.getInstance("DEFAULT", "wolfJCE");
     }
 
     @Test