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Diffstat (limited to 'src/tspi/tsp_bind.c')
-rw-r--r--src/tspi/tsp_bind.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/tspi/tsp_bind.c b/src/tspi/tsp_bind.c
new file mode 100644
index 0000000..38e30ff
--- /dev/null
+++ b/src/tspi/tsp_bind.c
@@ -0,0 +1,92 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2007
+ *
+ */
+
+
+#include <stdlib.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"
+
+
+#ifdef TSS_BUILD_TRANSPORT
+TSS_RESULT
+Transport_UnBind(TSS_HCONTEXT tspContext, /* in */
+ TCS_KEY_HANDLE keyHandle, /* in */
+ UINT32 inDataSize, /* in */
+ BYTE * inData, /* in */
+ TPM_AUTH * privAuth, /* in, out */
+ UINT32 * outDataSize, /* out */
+ BYTE ** outData) /* out */
+{
+ TSS_RESULT result;
+ UINT32 handlesLen, dataLen, decLen;
+ TCS_HANDLE *handles, handle;
+ TPM_DIGEST pubKeyHash;
+ Trspi_HashCtx hashCtx;
+ BYTE *dec, *data;
+ UINT64 offset;
+
+ if ((result = obj_context_transport_init(tspContext)))
+ return result;
+
+ LogDebugFn("Executing in a transport session");
+
+ if ((result = obj_tcskey_get_pubkeyhash(keyHandle, pubKeyHash.digest)))
+ 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;
+
+ handlesLen = 1;
+ handle = keyHandle;
+ handles = &handle;
+
+ dataLen = sizeof(UINT32) + inDataSize;
+ if ((data = malloc(dataLen)) == NULL) {
+ LogError("malloc of %u bytes failed", dataLen);
+ return TSPERR(TSS_E_OUTOFMEMORY);
+ }
+
+ offset = 0;
+ Trspi_LoadBlob_UINT32(&offset, inDataSize, data);
+ Trspi_LoadBlob(&offset, inDataSize, data, inData);
+
+ if ((result = obj_context_transport_execute(tspContext, TPM_ORD_UnBind, dataLen, data,
+ &pubKeyHash, &handlesLen, &handles,
+ privAuth, NULL, &decLen, &dec))) {
+ free(data);
+ return result;
+ }
+ free(data);
+
+ offset = 0;
+ Trspi_UnloadBlob_UINT32(&offset, outDataSize, dec);
+
+ if ((*outData = malloc(*outDataSize)) == NULL) {
+ free(dec);
+ LogError("malloc of %u bytes failed", *outDataSize);
+ return TSPERR(TSS_E_OUTOFMEMORY);
+ }
+ Trspi_UnloadBlob(&offset, *outDataSize, dec, *outData);
+
+ free(dec);
+
+ return TSS_SUCCESS;
+}
+#endif
+