diff --git a/libs/ssl-config/build.gradle b/libs/ssl-config/build.gradle
index b6c637a9db5f5..2c0f7f994b637 100644
--- a/libs/ssl-config/build.gradle
+++ b/libs/ssl-config/build.gradle
@@ -16,13 +16,13 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-apply plugin: "elasticsearch.publish"
+apply plugin: "opensearch.publish"
 
 dependencies {
-  api project(':libs:elasticsearch-core')
+  api project(':libs:opensearch-core')
 
   testImplementation(project(":test:framework")) {
-    exclude group: 'org.elasticsearch', module: 'elasticsearch-ssl-config'
+    exclude group: 'org.opensearch', module: 'opensearch-ssl-config'
   }
 
   testImplementation "com.carrotsearch.randomizedtesting:randomizedtesting-runner:${versions.randomizedrunner}"
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DefaultJdkTrustConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/DefaultJdkTrustConfig.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DefaultJdkTrustConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/DefaultJdkTrustConfig.java
index 5a1fbe72c3f49..f6b6240d105c8 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DefaultJdkTrustConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/DefaultJdkTrustConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.common.Nullable;
 
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DerParser.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/DerParser.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DerParser.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/DerParser.java
index 827548813f558..ad66fe1ba4334 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DerParser.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/DerParser.java
@@ -15,7 +15,7 @@
 
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 
 import java.io.ByteArrayInputStream;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DiagnosticTrustManager.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/DiagnosticTrustManager.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DiagnosticTrustManager.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/DiagnosticTrustManager.java
index df358dbb02e45..6ab1368b79122 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/DiagnosticTrustManager.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/DiagnosticTrustManager.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.SSLEngine;
 import javax.net.ssl.SSLSession;
@@ -35,7 +35,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static org.elasticsearch.common.ssl.SslDiagnostics.getTrustDiagnosticFailure;
+import static org.opensearch.common.ssl.SslDiagnostics.getTrustDiagnosticFailure;
 
 public final class DiagnosticTrustManager extends X509ExtendedTrustManager {
 
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/EmptyKeyConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/EmptyKeyConfig.java
similarity index 97%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/EmptyKeyConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/EmptyKeyConfig.java
index 0844ffb7ee952..3a14699181866 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/EmptyKeyConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/EmptyKeyConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.X509ExtendedKeyManager;
 import java.nio.file.Path;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/KeyStoreUtil.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/KeyStoreUtil.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/KeyStoreUtil.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/KeyStoreUtil.java
index 0a2526c7f7cfa..e44cffaec8d03 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/KeyStoreUtil.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/KeyStoreUtil.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.common.Nullable;
 
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemKeyConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemKeyConfig.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemKeyConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemKeyConfig.java
index dd091e0a22218..136c25d64a749 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemKeyConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemKeyConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.KeyManagerFactory;
 import javax.net.ssl.X509ExtendedKeyManager;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemTrustConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemTrustConfig.java
similarity index 96%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemTrustConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemTrustConfig.java
index f3cf8cd8bd7aa..fc9becf4c6301 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemTrustConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemTrustConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.TrustManagerFactory;
 import javax.net.ssl.X509ExtendedTrustManager;
@@ -37,7 +37,7 @@
 import java.util.stream.Collectors;
 
 /**
- * A {@link org.elasticsearch.common.ssl.SslTrustConfig} that reads a list of PEM encoded trusted certificates (CAs) from the file
+ * A {@link org.opensearch.common.ssl.SslTrustConfig} that reads a list of PEM encoded trusted certificates (CAs) from the file
  * system.
  * Strictly speaking, this class does not require PEM certificates, and will load any file that can be read by
  * {@link java.security.cert.CertificateFactory#generateCertificate(InputStream)}.
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemUtils.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemUtils.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemUtils.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemUtils.java
index 17046b89c376c..728d378bd7512 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/PemUtils.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/PemUtils.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.common.CharArrays;
 
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslClientAuthenticationMode.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslClientAuthenticationMode.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslClientAuthenticationMode.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslClientAuthenticationMode.java
index 8a972b6c78826..98d74ba6e7589 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslClientAuthenticationMode.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslClientAuthenticationMode.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.SSLParameters;
 import java.util.Collections;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigException.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigException.java
similarity index 96%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigException.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigException.java
index ae5d332e0a1e7..21c53d5fd077a 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigException.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigException.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 /**
  * A base exception for problems that occur while trying to configure SSL.
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfiguration.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfiguration.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfiguration.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfiguration.java
index 1213b7829e5d0..99281b284c751 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfiguration.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfiguration.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.X509ExtendedKeyManager;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigurationKeys.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigurationKeys.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigurationKeys.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigurationKeys.java
index 6e717f1c4cd11..ddb6be31d9434 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigurationKeys.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigurationKeys.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.TrustManagerFactory;
 import java.security.KeyStore;
@@ -164,7 +164,7 @@ public static List<String> getListKeys() {
     }
 
     /**
-     * The list of keys that are used to load a secure setting (such as a password) that would typically be stored in the elasticsearch
+     * The list of keys that are used to load a secure setting (such as a password) that would typically be stored in the opensearch
      * keystore.
      */
     public static List<String> getSecureStringKeys() {
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigurationLoader.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigurationLoader.java
similarity index 89%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigurationLoader.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigurationLoader.java
index e53600c251424..fa275959357b0 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslConfigurationLoader.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslConfigurationLoader.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.bootstrap.JavaVersion;
 
@@ -34,29 +34,29 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import static org.elasticsearch.common.ssl.KeyStoreUtil.inferKeyStoreType;
-import static org.elasticsearch.common.ssl.SslConfiguration.ORDERED_PROTOCOL_ALGORITHM_MAP;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.CERTIFICATE;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.CERTIFICATE_AUTHORITIES;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.CIPHERS;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.CLIENT_AUTH;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEY;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_ALGORITHM;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_LEGACY_KEY_PASSWORD;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_LEGACY_PASSWORD;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_PATH;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_SECURE_KEY_PASSWORD;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_SECURE_PASSWORD;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEYSTORE_TYPE;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEY_LEGACY_PASSPHRASE;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.KEY_SECURE_PASSPHRASE;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.PROTOCOLS;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_ALGORITHM;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_LEGACY_PASSWORD;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_PATH;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_SECURE_PASSWORD;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_TYPE;
-import static org.elasticsearch.common.ssl.SslConfigurationKeys.VERIFICATION_MODE;
+import static org.opensearch.common.ssl.KeyStoreUtil.inferKeyStoreType;
+import static org.opensearch.common.ssl.SslConfiguration.ORDERED_PROTOCOL_ALGORITHM_MAP;
+import static org.opensearch.common.ssl.SslConfigurationKeys.CERTIFICATE;
+import static org.opensearch.common.ssl.SslConfigurationKeys.CERTIFICATE_AUTHORITIES;
+import static org.opensearch.common.ssl.SslConfigurationKeys.CIPHERS;
+import static org.opensearch.common.ssl.SslConfigurationKeys.CLIENT_AUTH;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEY;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_ALGORITHM;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_LEGACY_KEY_PASSWORD;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_LEGACY_PASSWORD;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_PATH;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_SECURE_KEY_PASSWORD;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_SECURE_PASSWORD;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEYSTORE_TYPE;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEY_LEGACY_PASSPHRASE;
+import static org.opensearch.common.ssl.SslConfigurationKeys.KEY_SECURE_PASSPHRASE;
+import static org.opensearch.common.ssl.SslConfigurationKeys.PROTOCOLS;
+import static org.opensearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_ALGORITHM;
+import static org.opensearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_LEGACY_PASSWORD;
+import static org.opensearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_PATH;
+import static org.opensearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_SECURE_PASSWORD;
+import static org.opensearch.common.ssl.SslConfigurationKeys.TRUSTSTORE_TYPE;
+import static org.opensearch.common.ssl.SslConfigurationKeys.VERIFICATION_MODE;
 
 /**
  * Loads {@link SslConfiguration} from settings.
@@ -194,7 +194,7 @@ public void setDefaultProtocols(List<String> defaultProtocols) {
     /**
      * Resolve all necessary configuration settings, and load a {@link SslConfiguration}.
      *
-     * @param basePath The base path to use for any settings that represent file paths. Typically points to the Elasticsearch
+     * @param basePath The base path to use for any settings that represent file paths. Typically points to the OpenSearch
      *                 configuration directory.
      * @throws SslConfigException For any problems with the configuration, or with loading the required SSL classes.
      */
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslDiagnostics.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslDiagnostics.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslDiagnostics.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslDiagnostics.java
index 29ee19e6c0b1f..0d8f6cd809137 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslDiagnostics.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslDiagnostics.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.common.Nullable;
 
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslKeyConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslKeyConfig.java
similarity index 97%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslKeyConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslKeyConfig.java
index 4f5e6b8669310..fb72f047af78c 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslKeyConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslKeyConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.X509ExtendedKeyManager;
 import java.nio.file.Path;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslTrustConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslTrustConfig.java
similarity index 97%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslTrustConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslTrustConfig.java
index 2cd61218e6bb7..f7db75f6479da 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslTrustConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslTrustConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.X509ExtendedTrustManager;
 import java.nio.file.Path;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslUtil.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslUtil.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslUtil.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslUtil.java
index d6d8330a85ba1..7ef00d8cf0d59 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslUtil.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslUtil.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslVerificationMode.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslVerificationMode.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslVerificationMode.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslVerificationMode.java
index eee6e9cb2d6a1..ae5cc0cafded4 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/SslVerificationMode.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/SslVerificationMode.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import java.util.Collections;
 import java.util.LinkedHashMap;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/StoreKeyConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/StoreKeyConfig.java
similarity index 99%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/StoreKeyConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/StoreKeyConfig.java
index 683aaaaa06cb4..349d607e42736 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/StoreKeyConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/StoreKeyConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.KeyManagerFactory;
 import javax.net.ssl.X509ExtendedKeyManager;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/StoreTrustConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/StoreTrustConfig.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/StoreTrustConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/StoreTrustConfig.java
index 0dc0a3818c8ed..f438fc87a03c6 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/StoreTrustConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/StoreTrustConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.X509ExtendedTrustManager;
 import java.nio.file.Path;
diff --git a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/TrustEverythingConfig.java b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/TrustEverythingConfig.java
similarity index 98%
rename from libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/TrustEverythingConfig.java
rename to libs/ssl-config/src/main/java/org/opensearch/common/ssl/TrustEverythingConfig.java
index f3ed83a7e7d7b..e0ef11bbffab4 100644
--- a/libs/ssl-config/src/main/java/org/elasticsearch/common/ssl/TrustEverythingConfig.java
+++ b/libs/ssl-config/src/main/java/org/opensearch/common/ssl/TrustEverythingConfig.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import javax.net.ssl.SSLEngine;
 import javax.net.ssl.X509ExtendedTrustManager;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/DefaultJdkTrustConfigTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/DefaultJdkTrustConfigTests.java
similarity index 98%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/DefaultJdkTrustConfigTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/DefaultJdkTrustConfigTests.java
index b1aad439e47e1..d21536f8c4b1d 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/DefaultJdkTrustConfigTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/DefaultJdkTrustConfigTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 import org.junit.Assert;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemKeyConfigTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemKeyConfigTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemKeyConfigTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemKeyConfigTests.java
index e0862321ca79a..cd4cb3134340d 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemKeyConfigTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemKeyConfigTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 import org.hamcrest.Matchers;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemTrustConfigTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemTrustConfigTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemTrustConfigTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemTrustConfigTests.java
index 8d87c1599352b..241563b77e738 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemTrustConfigTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemTrustConfigTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 import org.hamcrest.Matchers;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemUtilsTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemUtilsTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemUtilsTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemUtilsTests.java
index 711bbfed22d36..dd1962fb7414a 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/PemUtilsTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/PemUtilsTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslConfigurationLoaderTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslConfigurationLoaderTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslConfigurationLoaderTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslConfigurationLoaderTests.java
index 20a161b78fd5f..6c2662fc65da6 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslConfigurationLoaderTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslConfigurationLoaderTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.common.settings.MockSecureSettings;
 import org.elasticsearch.common.settings.SecureString;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslConfigurationTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslConfigurationTests.java
similarity index 98%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslConfigurationTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslConfigurationTests.java
index b8986462ebe47..3fac556ae3ba1 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslConfigurationTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslConfigurationTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.test.EqualsHashCodeTestUtils;
@@ -30,7 +30,7 @@
 import java.util.Collections;
 import java.util.List;
 
-import static org.elasticsearch.common.ssl.SslConfigurationLoader.DEFAULT_CIPHERS;
+import static org.opensearch.common.ssl.SslConfigurationLoader.DEFAULT_CIPHERS;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslDiagnosticsTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslDiagnosticsTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslDiagnosticsTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslDiagnosticsTests.java
index fcc39463549f6..ca0b095a4bd66 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/SslDiagnosticsTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/SslDiagnosticsTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.test.ESTestCase;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/StoreKeyConfigTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/StoreKeyConfigTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/StoreKeyConfigTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/StoreKeyConfigTests.java
index f5fcc16c6a023..f10fa9bf6c439 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/StoreKeyConfigTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/StoreKeyConfigTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 import org.hamcrest.Matchers;
diff --git a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/StoreTrustConfigTests.java b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/StoreTrustConfigTests.java
similarity index 99%
rename from libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/StoreTrustConfigTests.java
rename to libs/ssl-config/src/test/java/org/opensearch/common/ssl/StoreTrustConfigTests.java
index 207bf9179415f..a69d6ec07b7cc 100644
--- a/libs/ssl-config/src/test/java/org/elasticsearch/common/ssl/StoreTrustConfigTests.java
+++ b/libs/ssl-config/src/test/java/org/opensearch/common/ssl/StoreTrustConfigTests.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.common.ssl;
+package org.opensearch.common.ssl;
 
 import org.elasticsearch.test.ESTestCase;
 import org.hamcrest.Matchers;
diff --git a/libs/ssl-config/src/test/resources/certs/README.txt b/libs/ssl-config/src/test/resources/certs/README.txt
index 5f40a858a96e4..882df228c520e 100644
--- a/libs/ssl-config/src/test/resources/certs/README.txt
+++ b/libs/ssl-config/src/test/resources/certs/README.txt
@@ -6,57 +6,57 @@
 
 # 1. Create first CA PEM ("ca1")
 
-elasticsearch-certutil ca --pem --out ca1.zip --days 9999 --ca-dn "CN=Test CA 1"
-unzip ca1.zip 
+opensearch-certutil ca --pem --out ca1.zip --days 9999 --ca-dn "CN=Test CA 1"
+unzip ca1.zip
 mv ca ca1
 
 # 2. Create first CA PEM ("ca2")
 
-elasticsearch-certutil ca --pem --out ca2.zip --days 9999 --ca-dn "CN=Test CA 2"
-unzip ca2.zip 
+opensearch-certutil ca --pem --out ca2.zip --days 9999 --ca-dn "CN=Test CA 2"
+unzip ca2.zip
 mv ca ca2
 
 # 3. Create first CA PEM ("ca3")
 
-elasticsearch-certutil ca --pem --out ca3.zip --days 9999 --ca-dn "CN=Test CA 3"
-unzip ca3.zip 
+opensearch-certutil ca --pem --out ca3.zip --days 9999 --ca-dn "CN=Test CA 3"
+unzip ca3.zip
 mv ca ca3
 
 # 4. Create "cert1" PEM
 
-elasticsearch-certutil cert --pem --out cert1.zip --name cert1 --ip 127.0.0.1 --dns localhost --days 9999 --ca-key ca1/ca.key --ca-cert ca1/ca.crt
+opensearch-certutil cert --pem --out cert1.zip --name cert1 --ip 127.0.0.1 --dns localhost --days 9999 --ca-key ca1/ca.key --ca-cert ca1/ca.crt
 unzip cert1.zip
 
 # 5. Create "cert2" PEM (same as cert1, but with a password)
 
-elasticsearch-certutil cert --pem --out cert2.zip --name cert2 --ip 127.0.0.1 --dns localhost --days 9999 --ca-key ca1/ca.key --ca-cert ca1/ca.crt --pass "c2-pass"
+opensearch-certutil cert --pem --out cert2.zip --name cert2 --ip 127.0.0.1 --dns localhost --days 9999 --ca-key ca1/ca.key --ca-cert ca1/ca.crt --pass "c2-pass"
 unzip cert2.zip
 
 # 6. Convert CAs to PKCS#12
 
 for n in 1 2 3
 do
-    keytool -importcert -file ca${n}/ca.crt -alias ca -keystore ca${n}/ca.p12 -storetype PKCS12 -storepass p12-pass -v 
-    keytool -importcert -file ca${n}/ca.crt -alias ca${n} -keystore ca-all/ca.p12 -storetype PKCS12 -storepass p12-pass -v 
+    keytool -importcert -file ca${n}/ca.crt -alias ca -keystore ca${n}/ca.p12 -storetype PKCS12 -storepass p12-pass -v
+    keytool -importcert -file ca${n}/ca.crt -alias ca${n} -keystore ca-all/ca.p12 -storetype PKCS12 -storepass p12-pass -v
 done
 
 # 7. Convert CAs to JKS
 
 for n in 1 2 3
 do
-    keytool -importcert -file ca${n}/ca.crt -alias ca${n} -keystore ca-all/ca.jks -storetype jks -storepass jks-pass -v 
+    keytool -importcert -file ca${n}/ca.crt -alias ca${n} -keystore ca-all/ca.jks -storetype jks -storepass jks-pass -v
 done
 
 # 8. Convert Certs to PKCS#12
 
-for Cert in cert1 cert2 
+for Cert in cert1 cert2
 do
-    openssl pkcs12 -export -out $Cert/$Cert.p12 -inkey $Cert/$Cert.key -in $Cert/$Cert.crt -name $Cert -passout pass:p12-pass 
+    openssl pkcs12 -export -out $Cert/$Cert.p12 -inkey $Cert/$Cert.key -in $Cert/$Cert.crt -name $Cert -passout pass:p12-pass
 done
 
 # 9. Import Certs into single PKCS#12 keystore
 
-for Cert in cert1 cert2 
+for Cert in cert1 cert2
 do
     keytool -importkeystore -noprompt \
             -srckeystore $Cert/$Cert.p12 -srcstoretype PKCS12 -srcstorepass p12-pass  \
@@ -65,7 +65,7 @@ done
 
 # 10. Import Certs into single JKS keystore with separate key-password
 
-for Cert in cert1 cert2 
+for Cert in cert1 cert2
 do
     keytool -importkeystore -noprompt \
             -srckeystore $Cert/$Cert.p12 -srcstoretype PKCS12 -srcstorepass p12-pass  \
@@ -75,7 +75,7 @@ done
 
 # 11. Create a mimic of the first CA ("ca1b") for testing certificates with the same name but different keys
 
-elasticsearch-certutil ca --pem --out ${PWD}/ca1-b.zip --days 9999 --ca-dn "CN=Test CA 1"
+opensearch-certutil ca --pem --out ${PWD}/ca1-b.zip --days 9999 --ca-dn "CN=Test CA 1"
 unzip ca1-b.zip
 mv ca ca1-b
 
diff --git a/libs/ssl-config/src/test/resources/certs/pem-utils/README.asciidoc b/libs/ssl-config/src/test/resources/certs/pem-utils/README.asciidoc
index f7fbd2ad69c0d..6fdbc170992e2 100644
--- a/libs/ssl-config/src/test/resources/certs/pem-utils/README.asciidoc
+++ b/libs/ssl-config/src/test/resources/certs/pem-utils/README.asciidoc
@@ -67,13 +67,13 @@ Adding `DSA` and `EC` Keys to the Keystore
 [source,shell]
 ------
 keytool -genkeypair -keyalg DSA -alias testnode_dsa -keystore testnode.jks -storepass testnode \
-        -keypass testnode -validity 10000 -keysize 1024 -dname "CN=Elasticsearch Test Node" \
+        -keypass testnode -validity 10000 -keysize 1024 -dname "CN=OpenSearch Test Node" \
         -ext SAN=dns:localhost,dns:localhost.localdomain,dns:localhost4,dns:localhost4.localdomain4,dns:localhost6,dns:localhost6.localdomain6,ip:127.0.0.1,ip:0:0:0:0:0:0:0:1
 ------
 [source,shell]
 ------
 keytool -genkeypair -keyalg EC -alias testnode_ec -keystore testnode.jks -storepass testnode \
-        -keypass testnode -validity 10000 -keysize 256 -dname "CN=Elasticsearch Test Node" \
+        -keypass testnode -validity 10000 -keysize 256 -dname "CN=OpenSearch Test Node" \
         -ext SAN=dns:localhost,dns:localhost.localdomain,dns:localhost4,dns:localhost4.localdomain4,dns:localhost6,dns:localhost6.localdomain6,ip:127.0.0.1,ip:0:0:0:0:0:0:0:1
 ------
 
diff --git a/modules/reindex/src/main/java/org/opensearch/index/reindex/ReindexSslConfig.java b/modules/reindex/src/main/java/org/opensearch/index/reindex/ReindexSslConfig.java
index 29a0d26f997cc..de18ac72078bd 100644
--- a/modules/reindex/src/main/java/org/opensearch/index/reindex/ReindexSslConfig.java
+++ b/modules/reindex/src/main/java/org/opensearch/index/reindex/ReindexSslConfig.java
@@ -27,9 +27,9 @@
 import org.elasticsearch.common.settings.SecureString;
 import org.elasticsearch.common.settings.Setting;
 import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.common.ssl.SslConfiguration;
-import org.elasticsearch.common.ssl.SslConfigurationKeys;
-import org.elasticsearch.common.ssl.SslConfigurationLoader;
+import org.opensearch.common.ssl.SslConfiguration;
+import org.opensearch.common.ssl.SslConfigurationKeys;
+import org.opensearch.common.ssl.SslConfigurationLoader;
 import org.elasticsearch.env.Environment;
 import org.elasticsearch.watcher.FileChangesListener;
 import org.elasticsearch.watcher.FileWatcher;
diff --git a/modules/reindex/src/test/java/org/opensearch/index/reindex/ReindexRestClientSslTests.java b/modules/reindex/src/test/java/org/opensearch/index/reindex/ReindexRestClientSslTests.java
index 05c1d7904c599..386bfd9d4a69f 100644
--- a/modules/reindex/src/test/java/org/opensearch/index/reindex/ReindexRestClientSslTests.java
+++ b/modules/reindex/src/test/java/org/opensearch/index/reindex/ReindexRestClientSslTests.java
@@ -30,8 +30,8 @@
 import org.elasticsearch.common.bytes.BytesArray;
 import org.elasticsearch.common.io.PathUtils;
 import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.common.ssl.PemKeyConfig;
-import org.elasticsearch.common.ssl.PemTrustConfig;
+import org.opensearch.common.ssl.PemKeyConfig;
+import org.opensearch.common.ssl.PemTrustConfig;
 import org.elasticsearch.env.Environment;
 import org.elasticsearch.env.TestEnvironment;
 import org.elasticsearch.index.reindex.RemoteInfo;