message: Fix key size in error message in AesCmacKeyManager.
diff: @@ -93,7 +93,7 @@ public final class AesCmacKeyManager extends KeyTypeManager<AesCmacKey> {
  private static void validateSize(int size) throws GeneralSecurityException {
  if (size != KEY_SIZE_IN_BYTES) {
  - throw new GeneralSecurityException("AesCmacKey size wrong, must be 16 bytes");
  + throw new GeneralSecurityException("AesCmacKey size wrong, must be 32 bytes");
  }
  }
  