From 532cd488e35335a4cf680d054b3d797e405de4f6 Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Mon, 15 Oct 2018 13:16:06 +0200
Subject: [PATCH] libtpmtss: TSS can optionally return signature schemes
 supported by a key

---
 src/libtpmtss/tpm_tss.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/libtpmtss/tpm_tss.h b/src/libtpmtss/tpm_tss.h
index 11e4a7c15..a239e4dc4 100644
--- a/src/libtpmtss/tpm_tss.h
+++ b/src/libtpmtss/tpm_tss.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (C) 2018 Tobias Brunner
  * Copyright (C) 2016 Andreas Steffen
  * HSR Hochschule fuer Technik Rapperswil
  *
@@ -79,6 +80,15 @@ struct tpm_tss_t {
 	 */
 	chunk_t (*get_public)(tpm_tss_t *this, uint32_t handle);
 
+	/**
+	 * Return signature schemes supported by the given key (TPM 2.0 only)
+	 *
+	 * @param handle		key object handle
+	 * @return				enumerator over signature_params_t*
+	 */
+	enumerator_t *(*supported_signature_schemes)(tpm_tss_t *this,
+												 uint32_t handle);
+
 	/**
 	 * Retrieve the current value of a PCR register in a given PCR bank
 	 *