2 files changed, 5 insertions, 0 deletions
diff --git a/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/BUILD.bazel b/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/BUILD.bazel
index 5ca1e21d1..a3397c31a 100644
--- a/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/BUILD.bazel
+++ b/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/BUILD.bazel
@@ -152,6 +152,7 @@ java_test(
         "//src/main/java/com/google/crypto/tink/hybrid:hybrid_encrypt_wrapper",
         "//src/main/java/com/google/crypto/tink/hybrid/internal:hpke_encrypt",
         "//src/main/java/com/google/crypto/tink/hybrid/internal:hpke_private_key_manager",
+        "//src/main/java/com/google/crypto/tink/hybrid/internal:hpke_util",
         "//src/main/java/com/google/crypto/tink/internal:key_type_manager",
         "//src/main/java/com/google/crypto/tink/subtle:random",
         "//src/main/java/com/google/crypto/tink/testing:test_util",
diff --git a/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/HpkePrivateKeyManagerTest.java b/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/HpkePrivateKeyManagerTest.java
index e92bb5d24..34f11ccfc 100644
--- a/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/HpkePrivateKeyManagerTest.java
+++ b/java_src/src/test/java/com/google/crypto/tink/hybrid/internal/HpkePrivateKeyManagerTest.java
@@ -152,7 +152,11 @@ public final class HpkePrivateKeyManagerTest {
     assertThat(key.getVersion()).isEqualTo(manager.getVersion());
     assertThat(key.getPublicKey().getParams()).isEqualTo(format.getParams());
     assertThat(key.getPublicKey().getPublicKey()).isNotEmpty();
+    assertThat(key.getPublicKey().getPublicKey().toByteArray().length)
+        .isEqualTo(HpkeUtil.getEncodedPublicKeyLength(format.getParams().getKem()));
     assertThat(key.getPrivateKey()).isNotEmpty();
+    assertThat(key.getPrivateKey().toByteArray().length)
+        .isEqualTo(HpkeUtil.getEncodedPrivateKeyLength(format.getParams().getKem()));
   }
 
   @Theory