diff --git a/src/integrationTest/java/org/opensearch/security/http/OnBehalfOfJwtAuthenticationTest.java b/src/integrationTest/java/org/opensearch/security/http/OnBehalfOfJwtAuthenticationTest.java
index 4e90044ec4..72fc2c8c60 100644
--- a/src/integrationTest/java/org/opensearch/security/http/OnBehalfOfJwtAuthenticationTest.java
+++ b/src/integrationTest/java/org/opensearch/security/http/OnBehalfOfJwtAuthenticationTest.java
@@ -103,7 +103,7 @@ public void shouldNotAuthenticateForUsingOBOTokenToAccessOBOEndpoint() {
         Header adminOboAuthHeader = new BasicHeader("Authorization", "Bearer " + oboToken);
 
         try (TestRestClient client = cluster.getRestClient(adminOboAuthHeader)) {
-            TestRestClient.HttpResponse response = client.getOBOTokenFromOboEndpoint(OBO_REASON, adminOboAuthHeader);
+            TestRestClient.HttpResponse response = client.getOnBehalfOfToken(OBO_REASON, adminOboAuthHeader);
             response.assertStatusCode(401);
         }
     }
diff --git a/src/integrationTest/java/org/opensearch/test/framework/cluster/TestRestClient.java b/src/integrationTest/java/org/opensearch/test/framework/cluster/TestRestClient.java
index a8c3a6e7ed..11d7703d36 100644
--- a/src/integrationTest/java/org/opensearch/test/framework/cluster/TestRestClient.java
+++ b/src/integrationTest/java/org/opensearch/test/framework/cluster/TestRestClient.java
@@ -135,7 +135,7 @@ public HttpResponse getAuthInfo(Header... headers) {
         return executeRequest(new HttpGet(getHttpServerUri() + "/_opendistro/_security/authinfo?pretty"), headers);
     }
 
-    public HttpResponse getOBOTokenFromOboEndpoint(String jsonData, Header... headers) {
+    public HttpResponse getOnBehalfOfToken(String jsonData, Header... headers) {
         try {
             HttpPost httpPost = new HttpPost(new URIBuilder(getHttpServerUri() + "/_plugins/_security/api/user/onbehalfof?pretty").build());
             httpPost.setEntity(toStringEntity(jsonData));
diff --git a/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java b/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java
index d46b4075bc..dcc7f952a8 100644
--- a/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java
+++ b/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java
@@ -57,7 +57,7 @@ public HTTPJwtAuthenticator(final Settings settings, final Path configPath) {
         super();
 
         String signingKey = settings.get("signing_key");
-        JwtParser _jwtParser = keyUtil.keyAlgorithmCheck(signingKey, log);
+        JwtParser _jwtParser = keyUtil.createJwtParserFromSigningKey(signingKey, log);
 
         jwtUrlParameter = settings.get("jwt_url_parameter");
         jwtHeaderName = settings.get("jwt_header", HttpHeaders.AUTHORIZATION);
diff --git a/src/main/java/org/opensearch/security/OpenSearchSecurityPlugin.java b/src/main/java/org/opensearch/security/OpenSearchSecurityPlugin.java
index b40b0186ac..66da58a953 100644
--- a/src/main/java/org/opensearch/security/OpenSearchSecurityPlugin.java
+++ b/src/main/java/org/opensearch/security/OpenSearchSecurityPlugin.java
@@ -1990,7 +1990,7 @@ public static void setClusterService(ClusterService clusterService) {
         cs = clusterService;
     }
 
-    public static ClusterService getClusterNameString() {
+    public static ClusterService getClusterName() {
         return cs;
     }
 }
diff --git a/src/main/java/org/opensearch/security/http/OnBehalfOfAuthenticator.java b/src/main/java/org/opensearch/security/http/OnBehalfOfAuthenticator.java
index 3ac8b14eb4..26c9a1fc62 100644
--- a/src/main/java/org/opensearch/security/http/OnBehalfOfAuthenticator.java
+++ b/src/main/java/org/opensearch/security/http/OnBehalfOfAuthenticator.java
@@ -72,7 +72,7 @@ public OnBehalfOfAuthenticator(Settings settings) {
     }
 
     private JwtParser initParser(final String signingKey) {
-        JwtParser _jwtParser = keyUtil.keyAlgorithmCheck(signingKey, log);
+        JwtParser _jwtParser = keyUtil.createJwtParserFromSigningKey(signingKey, log);
 
         if (_jwtParser == null) {
             throw new RuntimeException("Unable to find on behalf of authenticator signing key");
@@ -211,7 +211,7 @@ private AuthCredentials extractCredentials0(final RestRequest request) {
             }
 
             final String issuer = claims.getIssuer();
-            final String clusterID = OpenSearchSecurityPlugin.getClusterNameString().getClusterName().value();
+            final String clusterID = OpenSearchSecurityPlugin.getClusterName().getClusterName().value();
             if (!issuer.equals(clusterID)) {
                 log.error("This issuer of this OBO does not match the current cluster identifier");
                 return null;
diff --git a/src/main/java/org/opensearch/security/util/keyUtil.java b/src/main/java/org/opensearch/security/util/keyUtil.java
index b7c2ba9c41..c8370b19fc 100644
--- a/src/main/java/org/opensearch/security/util/keyUtil.java
+++ b/src/main/java/org/opensearch/security/util/keyUtil.java
@@ -29,7 +29,7 @@
 
 public class keyUtil {
 
-    public static JwtParser keyAlgorithmCheck(final String signingKey, final Logger log) {
+    public static JwtParser createJwtParserFromSigningKey(final String signingKey, final Logger log) {
         final SecurityManager sm = System.getSecurityManager();
 
         JwtParser jwtParser = null;