1 files changed, 88 insertions, 0 deletions
diff --git a/src/tspi/tsp_transport.c b/src/tspi/tsp_transport.c
new file mode 100644
index 0000000..1fa6611
--- /dev/null
+++ b/src/tspi/tsp_transport.c
@@ -0,0 +1,88 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2004-2007
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "trousers/tss.h"
+#include "trousers/trousers.h"
+#include "trousers_types.h"
+#include "spi_utils.h"
+#include "capabilities.h"
+#include "tsplog.h"
+#include "obj.h"
+
+
+TSS_RESULT
+Transport_LoadKeyByBlob(TSS_HCONTEXT     hContext,
+			TPM_COMMAND_CODE ordinal,
+			TSS_HKEY         hParentKey,
+			UINT32           ulBlobLength,
+			BYTE*            rgbBlobData,
+			TPM_AUTH*        pAuth,
+			TCS_KEY_HANDLE*  phKey,
+			TPM_KEY_HANDLE*  phSlot)
+{
+	TSS_RESULT result;
+	UINT32 handleListSize, decLen;
+	TCS_KEY_HANDLE hTCSParentKey;
+	TCS_HANDLE *handleList;
+	BYTE *dec = NULL;
+	TPM_DIGEST pubKeyHash;
+	Trspi_HashCtx hashCtx;
+
+
+	if ((result = obj_context_transport_init(hContext)) == TSS_TSPATTRIB_DISABLE_TRANSPORT) {
+		if ((result = obj_rsakey_get_tcs_handle(hParentKey, &hTCSParentKey)))
+			return result;
+
+		return TCSP_LoadKeyByBlob(hContext, hTCSParentKey, ulBlobLength, rgbBlobData, pAuth,
+					  phKey, phSlot);
+	} else if (result != TSS_TSPATTRIB_ENABLE_TRANSPORT)
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	if ((result = obj_rsakey_get_transport_attribs(hParentKey, &hTCSParentKey, &pubKeyHash)))
+		return result;
+
+	result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
+	result |= Trspi_Hash_DIGEST(&hashCtx, pubKeyHash.digest);
+	if ((result |= Trspi_HashFinal(&hashCtx, pubKeyHash.digest)))
+		return result;
+
+	/* Call ExecuteTransport */
+	handleListSize = 1;
+	if ((handleList = malloc(sizeof(TCS_HANDLE))) == NULL) {
+		LogError("malloc of %zd bytes failed", sizeof(TCS_HANDLE));
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+
+	*handleList = hTCSParentKey;
+
+	if ((result = obj_context_transport_execute(hContext, ordinal, ulBlobLength,
+						    rgbBlobData, &pubKeyHash, &handleListSize,
+						    &handleList, pAuth, NULL, &decLen, &dec))) {
+		free(handleList);
+		return result;
+	}
+
+	if (handleListSize == 1)
+		*phKey = *(TCS_KEY_HANDLE *)handleList;
+	else
+		result = TSPERR(TSS_E_INTERNAL_ERROR);
+
+	free(handleList);
+	free(dec);
+
+	return result;
+}