Crypto: Adding query for unknown IV initialization.

java/ql/src/experimental/quantum/Analysis/UnknownIVorNonceInitialization.ql

@@ -0,0 +1,17 @@
+/**
+ * @name Unknown nonce/iv initialization
+ * @id java/quantum/unknown-iv-or-nonce-initialization
+ * @description A nonce/iv is generated from a source that is not secure. Failure to initialize
+ *              an IV or nonce properly can lead to vulnerabilities such as replay attacks or key recovery.
+ * @kind problem
+ * @problem.severity error
+ * @precision high
+ * @tags quantum
+ *       experimental
+ */
+
+import experimental.quantum.Language
+
+from Crypto::NonceArtifactNode nonce
+where exists(nonce.getSourceNode())
+select nonce, "Unknown (unobserved) IV/Nonce initialization."