diff --git a/networksecurity/service/src/com/android/server/net/ct/SignatureVerifier.java b/networksecurity/service/src/com/android/server/net/ct/SignatureVerifier.java
index 3ba56db455..6040ef6391 100644
--- a/networksecurity/service/src/com/android/server/net/ct/SignatureVerifier.java
+++ b/networksecurity/service/src/com/android/server/net/ct/SignatureVerifier.java
@@ -32,7 +32,6 @@ import androidx.annotation.VisibleForTesting;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
 import java.security.GeneralSecurityException;
 import java.security.InvalidKeyException;
 import java.security.KeyFactory;
@@ -105,9 +104,9 @@ public class SignatureVerifier {
             verifier.update(fileStream.readAllBytes());
 
             byte[] signatureBytes = signatureStream.readAllBytes();
+            statusBuilder.setSignature(new String(signatureBytes));
             try {
                 byte[] decodedSigBytes = Base64.getDecoder().decode(signatureBytes);
-                statusBuilder.setSignature(new String(decodedSigBytes, StandardCharsets.UTF_8));
 
                 if (!verifier.verify(decodedSigBytes)) {
                     // Leave the UpdateState as UNKNOWN_STATE if successful as there are other
@@ -116,7 +115,6 @@ public class SignatureVerifier {
                 }
             } catch (IllegalArgumentException e) {
                 Log.w(TAG, "Invalid signature base64 encoding", e);
-                statusBuilder.setSignature(new String(signatureBytes, StandardCharsets.UTF_8));
                 statusBuilder.setState(SIGNATURE_INVALID);
                 return statusBuilder.build();
             }
diff --git a/networksecurity/tests/unit/src/com/android/server/net/ct/CertificateTransparencyDownloaderTest.java b/networksecurity/tests/unit/src/com/android/server/net/ct/CertificateTransparencyDownloaderTest.java
index 5443298f6a..2af01225d7 100644
--- a/networksecurity/tests/unit/src/com/android/server/net/ct/CertificateTransparencyDownloaderTest.java
+++ b/networksecurity/tests/unit/src/com/android/server/net/ct/CertificateTransparencyDownloaderTest.java
@@ -24,8 +24,6 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
-
 import android.app.DownloadManager;
 import android.app.DownloadManager.Query;
 import android.app.DownloadManager.Request;
@@ -56,7 +54,6 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.nio.charset.StandardCharsets;
 import java.security.GeneralSecurityException;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
@@ -399,14 +396,12 @@ public class CertificateTransparencyDownloaderTest {
                 mContext, makeContentDownloadCompleteIntent(mCompatVersion, logListFile));
 
         // Assert
-        byte[] signatureBytes = Base64.getDecoder().decode(toByteArray(metadataFile));
         verify(mLogger, times(1))
                 .logCTLogListUpdateStateChangedEvent(mUpdateStatusCaptor.capture());
         LogListUpdateStatus statusValue = mUpdateStatusCaptor.getValue();
         assertThat(statusValue.state())
                 .isEqualTo(CTLogListUpdateState.SIGNATURE_VERIFICATION_FAILED);
-        assertThat(statusValue.signature())
-                .isEqualTo(new String(signatureBytes, StandardCharsets.UTF_8));
+        assertThat(statusValue.signature()).isEqualTo(new String(toByteArray(metadataFile)));
     }
 
     @Test
@@ -423,13 +418,11 @@ public class CertificateTransparencyDownloaderTest {
         mCertificateTransparencyDownloader.onReceive(
                 mContext, makeContentDownloadCompleteIntent(mCompatVersion, invalidLogListFile));
 
-        byte[] signatureBytes = Base64.getDecoder().decode(toByteArray(metadataFile));
         verify(mLogger, times(1))
                 .logCTLogListUpdateStateChangedEvent(mUpdateStatusCaptor.capture());
         LogListUpdateStatus statusValue = mUpdateStatusCaptor.getValue();
         assertThat(statusValue.state()).isEqualTo(CTLogListUpdateState.LOG_LIST_INVALID);
-        assertThat(statusValue.signature())
-                .isEqualTo(new String(signatureBytes, StandardCharsets.UTF_8));
+        assertThat(statusValue.signature()).isEqualTo(new String(toByteArray(metadataFile)));
     }
 
     @Test
@@ -501,11 +494,7 @@ public class CertificateTransparencyDownloaderTest {
 
         LogListUpdateStatus statusValue = mUpdateStatusCaptor.getValue();
         assertThat(statusValue.state()).isEqualTo(CTLogListUpdateState.SUCCESS);
-        assertThat(statusValue.signature())
-                .isEqualTo(
-                        new String(
-                                Base64.getDecoder().decode(toByteArray(metadataFile)),
-                                StandardCharsets.UTF_8));
+        assertThat(statusValue.signature()).isEqualTo(new String(toByteArray(metadataFile)));
         assertThat(statusValue.logListTimestamp()).isEqualTo(LOG_LIST_TIMESTAMP);
     }
 
@@ -619,7 +608,7 @@ public class CertificateTransparencyDownloaderTest {
                     new JSONObject()
                             .put("version", version)
                             .put("log_list_timestamp", LOG_LIST_TIMESTAMP);
-            outputStream.write(contentJson.toString().getBytes(UTF_8));
+            outputStream.write(contentJson.toString().getBytes());
         }
 
         return logListFile;