xref: /netbsd-src/crypto/external/cpl/trousers/dist/src/tcs/tcsi_auth.c (revision 2d5f7628c5531eb583b9313ac2fd1cf8582b4479)
1 
2 /*
3  * Licensed Materials - Property of IBM
4  *
5  * trousers - An open source TCG Software Stack
6  *
7  * (C) Copyright International Business Machines Corp. 2004
8  *
9  */
10 
11 
12 #include <stdlib.h>
13 #include <stdio.h>
14 #include <string.h>
15 #include <inttypes.h>
16 
17 #include "trousers/tss.h"
18 #include "trousers_types.h"
19 #include "tcs_tsp.h"
20 #include "tcsps.h"
21 #include "tcs_utils.h"
22 #include "tcs_int_literals.h"
23 #include "capabilities.h"
24 #include "tcslog.h"
25 #include "req_mgr.h"
26 #include "tcsd_wrap.h"
27 #include "tcsd.h"
28 
29 
30 TSS_RESULT
TCSP_OIAP_Internal(TCS_CONTEXT_HANDLE hContext,TCS_AUTHHANDLE * authHandle,TCPA_NONCE * nonce0)31 TCSP_OIAP_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
32 		   TCS_AUTHHANDLE *authHandle,	/* out */
33 		   TCPA_NONCE *nonce0)	/* out */
34 {
35 	UINT64 offset = 0;
36 	TSS_RESULT result;
37 	UINT32 paramSize;
38 	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
39 
40 	LogDebug("Entering TCSI_OIAP");
41 
42 	if ((result = ctx_verify_context(hContext)))
43 		return result;
44 
45 	if ((result = tpm_rqu_build(TPM_ORD_OIAP, &offset, txBlob, NULL)))
46 		return result;
47 
48 	if ((result = req_mgr_submit_req(txBlob)))
49 		return result;
50 
51 	result = UnloadBlob_Header(txBlob, &paramSize);
52 	if (!result) {
53 		result = tpm_rsp_parse(TPM_ORD_OIAP, txBlob, paramSize, authHandle, nonce0->nonce);
54 	}
55 
56 	LogResult("OIAP", result);
57 	return result;
58 }
59 
60 TSS_RESULT
TCSP_OSAP_Internal(TCS_CONTEXT_HANDLE hContext,TCPA_ENTITY_TYPE entityType,UINT32 entityValue,TCPA_NONCE nonceOddOSAP,TCS_AUTHHANDLE * authHandle,TCPA_NONCE * nonceEven,TCPA_NONCE * nonceEvenOSAP)61 TCSP_OSAP_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
62 		   TCPA_ENTITY_TYPE entityType,	/* in */
63 		   UINT32 entityValue,	/* in */
64 		   TCPA_NONCE nonceOddOSAP,	/* in */
65 		   TCS_AUTHHANDLE * authHandle,	/* out */
66 		   TCPA_NONCE * nonceEven,	/* out */
67 		   TCPA_NONCE * nonceEvenOSAP)	/* out */
68 {
69 	UINT64 offset = 0;
70 	TSS_RESULT result;
71 	UINT32 paramSize;
72 	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
73 
74 	LogDebug("Entering OSAP");
75 	if ((result = ctx_verify_context(hContext)))
76 		return result;
77 
78 	if ((result = tpm_rqu_build(TPM_ORD_OSAP, &offset, txBlob, entityType, entityValue,
79 				    nonceOddOSAP.nonce)))
80 		return result;
81 
82 	if ((result = req_mgr_submit_req(txBlob)))
83 		return result;
84 
85 	result = UnloadBlob_Header(txBlob, &paramSize);
86 	if (!result) {
87 		result = tpm_rsp_parse(TPM_ORD_OSAP, txBlob, paramSize, authHandle,
88 				       nonceEven->nonce, nonceEvenOSAP->nonce);
89 	}
90 	LogResult("OSAP", result);
91 
92 	return result;
93 }
94 
95 TSS_RESULT
internal_TerminateHandle(TCS_AUTHHANDLE handle)96 internal_TerminateHandle(TCS_AUTHHANDLE handle)
97 {
98 	UINT64 offset = 0;
99 	UINT32 paramSize;
100 	TSS_RESULT result;
101 	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
102 
103 	if ((result = tpm_rqu_build(TPM_ORD_Terminate_Handle, &offset, txBlob, handle, NULL)))
104 		return result;
105 
106 	if ((result = req_mgr_submit_req(txBlob)))
107 		return result;
108 
109 	return UnloadBlob_Header(txBlob, &paramSize);
110 }
111 
112