} _notmuch_crypto_t;
GMimeObject *
-_notmuch_crypto_decrypt (notmuch_decryption_policy_t decrypt,
+_notmuch_crypto_decrypt (bool *attempted,
+ notmuch_decryption_policy_t decrypt,
notmuch_message_t *message,
GMimeCryptoContext* crypto_ctx,
GMimeMultipartEncrypted *part,