1 files changed, 24 insertions, 0 deletions
diff --git a/src/libtpmtss/tpm_tss.h b/src/libtpmtss/tpm_tss.h
index 4f4b9e2cf..f408d0440 100644
--- a/src/libtpmtss/tpm_tss.h
+++ b/src/libtpmtss/tpm_tss.h
@@ -120,6 +120,30 @@ struct tpm_tss_t {
 				  tpm_tss_quote_info_t **quote_info, chunk_t *quote_sig);
 
 	/**
+	 * Do a signature over a data hash using a TPM key handle (TPM 2.0 only)
+	 *
+	 * @param handle		object handle of TPM key to be used for signature
+	 * @param hierarchy		hierarchy the TPM key object is attached to
+	 * @param scheme		scheme to be used for signature
+	 * @param data			data to be hashed and signed
+	 * @param pin			PIN code or empty chunk
+	 * @param signature		returns signature
+	 * @return				TRUE if signature succeeded
+	 */
+	bool (*sign)(tpm_tss_t *this, uint32_t hierarchy, uint32_t handle,
+				 signature_scheme_t scheme, chunk_t data, chunk_t pin,
+				 chunk_t *signature);
+
+	/**
+	 * Get random bytes from the TPM
+	 *
+	 * @param bytes			number of random bytes requested
+	 * @param buffer		buffer where the random bytes are written into
+	 * @return				TRUE if random bytes could be delivered
+	 */
+	bool (*get_random)(tpm_tss_t *this, size_t bytes, uint8_t *buffer);
+
+	/**
 	 * Destroy a tpm_tss_t.
 	 */
 	void (*destroy)(tpm_tss_t *this);