Initial commit to seed TPM2.0 source code directory

LICENSE file text copied from TCG library specification. README
describes the procedure used to extract source code from parts 3 and 4
of the specification.

The python scripts and part{34}.txt files will be removed in the
following commits.

Change-Id: Ie281e6e988481831f33483053455e8aff8f3f75f
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>

1 files changed, 85 insertions, 0 deletions

diff --git a/PolicyDuplicationSelect.c b/PolicyDuplicationSelect.c
new file mode 100644
index 0000000..eaa323c
--- /dev/null
+++ b/PolicyDuplicationSelect.c
@@ -0,0 +1,85 @@
+// This file was extracted from the TCG Published
+// Trusted Platform Module Library
+// Part 3: Commands
+// Family "2.0"
+// Level 00 Revision 01.16
+// October 30, 2014
+
+#include "InternalRoutines.h"
+#include "PolicyDuplicationSelect_fp.h"
+//
+//
+//     Error Returns                     Meaning
+//
+//     TPM_RC_COMMAND_CODE               commandCode of 'policySession; is not empty
+//     TPM_RC_CPHASH                     cpHash of policySession is not empty
+//
+TPM_RC
+TPM2_PolicyDuplicationSelect(
+   PolicyDuplicationSelect_In       *in                 // IN: input parameter list
+   )
+{
+   SESSION           *session;
+   HASH_STATE        hashState;
+   TPM_CC            commandCode = TPM_CC_PolicyDuplicationSelect;
+
+// Input Validation
+
+   // Get pointer to the session structure
+   session = SessionGet(in->policySession);
+
+   // cpHash in session context must be empty
+   if(session->u1.cpHash.t.size != 0)
+       return TPM_RC_CPHASH;
+
+   // commandCode in session context must be empty
+   if(session->commandCode != 0)
+       return TPM_RC_COMMAND_CODE;
+
+// Internal Data Update
+
+   // Update name hash
+   session->u1.cpHash.t.size = CryptStartHash(session->authHashAlg, &hashState);
+
+   // add objectName
+   CryptUpdateDigest2B(&hashState, &in->objectName.b);
+
+   // add new parent name
+   CryptUpdateDigest2B(&hashState, &in->newParentName.b);
+
+   // complete hash
+   CryptCompleteHash2B(&hashState, &session->u1.cpHash.b);
+
+   // update policy hash
+   // Old policyDigest size should be the same as the new policyDigest size since
+   // they are using the same hash algorithm
+   session->u2.policyDigest.t.size
+           = CryptStartHash(session->authHashAlg, &hashState);
+
+   // add old policy
+   CryptUpdateDigest2B(&hashState, &session->u2.policyDigest.b);
+
+   // add command code
+   CryptUpdateDigestInt(&hashState, sizeof(TPM_CC), &commandCode);
+
+   // add objectName
+   if(in->includeObject == YES)
+       CryptUpdateDigest2B(&hashState, &in->objectName.b);
+
+  // add new parent name
+  CryptUpdateDigest2B(&hashState, &in->newParentName.b);
+
+  // add includeObject
+  CryptUpdateDigestInt(&hashState, sizeof(TPMI_YES_NO), &in->includeObject);
+
+  // complete digest
+  CryptCompleteHash2B(&hashState, &session->u2.policyDigest.b);
+
+  // clear iscpHashDefined bit to indicate now this field contains a nameHash
+  session->attributes.iscpHashDefined = CLEAR;
+
+  // set commandCode in session context
+  session->commandCode = TPM_CC_Duplicate;
+
+   return TPM_RC_SUCCESS;
+}