diff --git a/android-core/src/main/java/com/mparticle/identity/IdentityApiRequest.java b/android-core/src/main/java/com/mparticle/identity/IdentityApiRequest.java
index 7c078c18f..9f35f9b25 100644
--- a/android-core/src/main/java/com/mparticle/identity/IdentityApiRequest.java
+++ b/android-core/src/main/java/com/mparticle/identity/IdentityApiRequest.java
@@ -242,9 +242,9 @@ public String convertString(){
     }
 
     public String objectToHash() {
-        String input =this.toString();
+        String input = this.toString();
         try {
-            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            MessageDigest md = MessageDigest.getInstance("SHA-1");
             byte[] hashBytes = md.digest(input.getBytes());
             StringBuilder hexString = new StringBuilder();
             for (byte b : hashBytes) {
@@ -253,8 +253,9 @@ public String objectToHash() {
                 hexString.append(hex);
             }
             return hexString.toString().substring(0, 16); // Shorten to first 16 characters
-        } catch (NoSuchAlgorithmException e) {
-            throw new RuntimeException(e);
+        } catch (Exception e) {
+            Logger.error("Exception while initializing SHA-1 on device:" + e);
         }
+        return null;
     }
 }
\ No newline at end of file
diff --git a/android-core/src/main/java/com/mparticle/identity/MParticleIdentityClientImpl.java b/android-core/src/main/java/com/mparticle/identity/MParticleIdentityClientImpl.java
index e610629cc..7ab5858fa 100644
--- a/android-core/src/main/java/com/mparticle/identity/MParticleIdentityClientImpl.java
+++ b/android-core/src/main/java/com/mparticle/identity/MParticleIdentityClientImpl.java
@@ -172,7 +172,8 @@ private void catchRequest(IdentityApiRequest request, IdentityHttpResponse ident
                     identityCacheTime = System.currentTimeMillis();
                     mConfigManager.saveIdentityCacheTime(identityCacheTime);
                 }
-                String key = request.objectToHash() + callType;
+                String key = (request.objectToHash() == null) ? null : request.objectToHash() + callType;
+
 
                 identityCacheArray.put(key, identityHttpResponse);
                 mConfigManager.saveIdentityCache(key, identityHttpResponse);