JS: Use shared CryptographicOperation concept and implement BlockMode getBlockMode()

Author: alexrford

javascript/ql/experimental/adaptivethreatmodeling/lib/experimental/adaptivethreatmodeling/EndpointCharacteristics.qll

@@ -387,7 +387,7 @@ private class CryptographicOperationFlowCharacteristic extends NotASinkCharacter
   CryptographicOperationFlowCharacteristic() { this = "CryptographicOperationFlow" }
 
   override predicate appliesToEndpoint(DataFlow::Node n) {
-    any(CryptographicOperation op).getInput() = n
+    any(CryptographicOperation op).getAnInput() = n
   }
 }
 

javascript/ql/lib/semmle/javascript/Concepts.qll

@@ -110,3 +110,10 @@ abstract class PersistentWriteAccess extends DataFlow::Node {
    */
   abstract DataFlow::Node getValue();
 }
+
+/**
+ * Provides models for cryptographic things.
+ */
+module Cryptography {
+  import semmle.javascript.internal.ConceptsShared::Cryptography
+}