1 files changed, 78 insertions, 0 deletions
diff --git a/src/tcs/tcsi_sign.c b/src/tcs/tcsi_sign.c
new file mode 100644
index 0000000..3671fb1
--- /dev/null
+++ b/src/tcs/tcsi_sign.c
@@ -0,0 +1,78 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2004
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "trousers/tss.h"
+#include "trousers_types.h"
+#include "tcs_tsp.h"
+#include "tcsps.h"
+#include "tcs_utils.h"
+#include "tcs_int_literals.h"
+#include "capabilities.h"
+#include "tcslog.h"
+#include "req_mgr.h"
+#include "tcsd_wrap.h"
+#include "tcsd.h"
+
+
+TSS_RESULT
+TCSP_Sign_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
+		   TCS_KEY_HANDLE keyHandle,	/* in */
+		   UINT32 areaToSignSize,	/* in */
+		   BYTE * areaToSign,	/* in */
+		   TPM_AUTH * privAuth,	/* in, out */
+		   UINT32 * sigSize,	/* out */
+		   BYTE ** sig	/* out */
+    )
+{
+	UINT64 offset = 0;
+	UINT32 paramSize;
+	TSS_RESULT result;
+	TCPA_KEY_HANDLE keySlot;
+	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
+
+	LogDebug("Entering Sign");
+	if ((result = ctx_verify_context(hContext)))
+		return result;
+
+	if (privAuth != NULL) {
+		LogDebug("Auth Used");
+		if ((result = auth_mgr_check(hContext, &privAuth->AuthHandle)))
+			goto done;
+	} else {
+		LogDebug("No Auth");
+	}
+
+	if ((result = ensureKeyIsLoaded(hContext, keyHandle, &keySlot)))
+		goto done;
+
+	if ((result = tpm_rqu_build(TPM_ORD_Sign, &offset, txBlob, keySlot, areaToSignSize,
+				    areaToSign, privAuth)))
+		return result;
+
+	if ((result = req_mgr_submit_req(txBlob)))
+		goto done;
+
+	result = UnloadBlob_Header(txBlob, &paramSize);
+	if (!result) {
+		result = tpm_rsp_parse(TPM_ORD_Sign, txBlob, paramSize, sigSize, sig, privAuth,
+				       NULL);
+	}
+	LogResult("sign", result);
+done:
+	auth_mgr_release_auth(privAuth, NULL, hContext);
+	return result;
+}
+