Release the GIL around RSA and DSA key generation.

1 files changed, 38 insertions, 0 deletions

diff --git a/leakcheck/thread-key-gen.py b/leakcheck/thread-key-gen.py
new file mode 100644
index 0000000..62e1a58
--- /dev/null
+++ b/leakcheck/thread-key-gen.py
@@ -0,0 +1,38 @@
+# Copyright (C) Jean-Paul Calderone
+# See LICENSE for details.
+#
+# Stress tester for thread-related bugs in RSA and DSA key generation.  0.12 and
+# older held the GIL during these operations.  Subsequent versions release it
+# during them.
+
+from threading import Thread
+
+from OpenSSL.crypto import TYPE_RSA, TYPE_DSA, PKey
+
+def generate_rsa():
+    keys = []
+    for i in range(100):
+        key = PKey()
+        key.generate_key(TYPE_RSA, 1024)
+        keys.append(key)
+
+def generate_dsa():
+    keys = []
+    for i in range(100):
+        key = PKey()
+        key.generate_key(TYPE_DSA, 512)
+        keys.append(key)
+
+
+def main():
+    threads = []
+    for i in range(3):
+        t = Thread(target=generate_rsa, args=())
+        threads.append(t)
+        t = Thread(target=generate_dsa, args=())
+        threads.append(t)
+
+    for t in threads:
+        t.start()
+
+main()