From 2a9e5944bd3f444b4866bdf5830d444020799c18 Mon Sep 17 00:00:00 2001
From: J08nY
Date: Mon, 19 Aug 2024 20:39:21 +0200
Subject: Allow for no-preload option and correctly handle PRNG support.

---
 .../java/cz/crcs/ectester/standalone/ECTesterStandalone.java     | 9 ++++++++-
 .../main/java/cz/crcs/ectester/standalone/libs/BoringsslLib.java | 5 -----
 .../main/java/cz/crcs/ectester/standalone/libs/GcryptLib.java    | 8 +-------
 .../main/java/cz/crcs/ectester/standalone/libs/LibresslLib.java  | 5 -----
 .../java/cz/crcs/ectester/standalone/libs/NativeECLibrary.java   | 3 +++
 5 files changed, 12 insertions(+), 18 deletions(-)

(limited to 'standalone/src/main/java')

diff --git a/standalone/src/main/java/cz/crcs/ectester/standalone/ECTesterStandalone.java b/standalone/src/main/java/cz/crcs/ectester/standalone/ECTesterStandalone.java
index 1b56ec6..603a301 100644
--- a/standalone/src/main/java/cz/crcs/ectester/standalone/ECTesterStandalone.java
+++ b/standalone/src/main/java/cz/crcs/ectester/standalone/ECTesterStandalone.java
@@ -107,6 +107,7 @@ public class ECTesterStandalone {
                 FileUtil.write(LIB_RESOURCE_DIR + "lib_timing.so", reqs.resolve("lib_timing.so"));
                 FileUtil.write(LIB_RESOURCE_DIR + "lib_preload.so", reqs.resolve("lib_preload.so"));
                 FileUtil.write(LIB_RESOURCE_DIR + "lib_prng.so", reqs.resolve("lib_prng.so"));
+                FileUtil.write(LIB_RESOURCE_DIR + "lib_prng_dummy.so", reqs.resolve("lib_prng_dummy.so"));
                 FileUtil.write(LIB_RESOURCE_DIR + "lib_csignals.so", reqs.resolve("lib_csignals.so"));
                 FileUtil.write(LIB_RESOURCE_DIR + "lib_cppsignals.so", reqs.resolve("lib_cppsignals.so"));
 
@@ -146,7 +147,13 @@ public class ECTesterStandalone {
                     System.exit(result);
                 } else {
                     // Load the utility libs.
-                    System.load(reqs.resolve("lib_prng.so").toString());
+                    if (cli.hasOption("no-preload")) {
+                        System.err.println("Loading dummy");
+                        System.load(reqs.resolve("lib_prng_dummy.so").toString());
+                    } else {
+                        System.err.println("Loading right");
+                        System.load(reqs.resolve("lib_prng.so").toString());
+                    }
                     System.load(reqs.resolve("lib_timing.so").toString());
                     System.load(reqs.resolve("lib_csignals.so").toString());
                     System.load(reqs.resolve("lib_cppsignals.so").toString());
diff --git a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/BoringsslLib.java b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/BoringsslLib.java
index 06e6b4a..4f253e6 100644
--- a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/BoringsslLib.java
+++ b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/BoringsslLib.java
@@ -17,9 +17,4 @@ public class BoringsslLib extends NativeECLibrary {
     @Override
     public native Set<String> getCurves();
 
-    @Override
-    public boolean supportsDeterministicPRNG() {
-        // This is provided by the native preload that hooks all randomness sources.
-        return true;
-    }
 }
diff --git a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/GcryptLib.java b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/GcryptLib.java
index 3647ab9..49cdc7c 100644
--- a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/GcryptLib.java
+++ b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/GcryptLib.java
@@ -9,7 +9,7 @@ import java.util.Set;
 public class GcryptLib extends NativeECLibrary {
 
     public GcryptLib() {
-        super("libgcrypt","gcrypt_provider");
+        super("libgcrypt", "gcrypt_provider");
     }
 
     @Override
@@ -17,10 +17,4 @@ public class GcryptLib extends NativeECLibrary {
 
     @Override
     public native Set<String> getCurves();
-
-    @Override
-    public boolean supportsDeterministicPRNG() {
-        // This is provided by the native preload that hooks all randomness sources.
-        return true;
-    }
 }
diff --git a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/LibresslLib.java b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/LibresslLib.java
index e53399c..b06bfaf 100644
--- a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/LibresslLib.java
+++ b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/LibresslLib.java
@@ -17,9 +17,4 @@ public class LibresslLib extends NativeECLibrary {
     @Override
     public native Set<String> getCurves();
 
-    @Override
-    public boolean supportsDeterministicPRNG() {
-        // This is provided by the native preload that hooks all randomness sources.
-        return true;
-    }
 }
diff --git a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/NativeECLibrary.java b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/NativeECLibrary.java
index 210a6e9..82ec115 100644
--- a/standalone/src/main/java/cz/crcs/ectester/standalone/libs/NativeECLibrary.java
+++ b/standalone/src/main/java/cz/crcs/ectester/standalone/libs/NativeECLibrary.java
@@ -74,6 +74,9 @@ public abstract class NativeECLibrary extends ProviderECLibrary {
     @Override
     public native long getLastNativeTiming();
 
+    @Override
+    public native boolean supportsDeterministicPRNG();
+
     @Override
     public native boolean setupDeterministicPRNG(byte[] seed);
 
-- 
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