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1.1 misho 1: /*
2: * Copyright (C) 2016 Andreas Steffen
3: * HSR Hochschule fuer Technik Rapperswil
4: *
5: * This program is free software; you can redistribute it and/or modify it
6: * under the terms of the GNU General Public License as published by the
7: * Free Software Foundation; either version 2 of the License, or (at your
8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13: * for more details.
14: */
15:
16: /**
17: * @defgroup tpm_tss_quote_info tpm_tss_quote_info
18: * @{ @ingroup libtpmtss
19: */
20:
21: #ifndef TPM_TSS_QUOTE_INFO_H_
22: #define TPM_TSS_QUOTE_INFO_H_
23:
24: #include <library.h>
25:
26: #include <crypto/hashers/hasher.h>
27:
28: typedef enum tpm_quote_mode_t tpm_quote_mode_t;
29: typedef struct tpm_tss_quote_info_t tpm_tss_quote_info_t;
30: typedef struct tpm_tss_pcr_composite_t tpm_tss_pcr_composite_t;
31:
32: /**
33: * TPM Quote Modes
34: */
35: enum tpm_quote_mode_t {
36: TPM_QUOTE_NONE,
37: TPM_QUOTE,
38: TPM_QUOTE2,
39: TPM_QUOTE2_VERSION_INFO,
40: TPM_QUOTE_TPM2
41: };
42:
43: struct tpm_tss_pcr_composite_t {
44:
45: /**
46: * Bit map of selected PCRs
47: */
48: chunk_t pcr_select;
49:
50: /**
51: * Array of selected PCRs
52: */
53: chunk_t pcr_composite;
54:
55: };
56:
57: /**
58: * TPM Quote Information needed to verify the Quote Signature
59: */
60: struct tpm_tss_quote_info_t {
61:
62: /**
63: * Get TPM Quote Mode
64: *
65: * @return TPM Quote Mode
66: */
67: tpm_quote_mode_t (*get_quote_mode)(tpm_tss_quote_info_t *this);
68:
69: /**
70: * Get PCR Composite digest algorithm
71: *
72: * @return PCR Composite digest algorithm
73: */
74: hash_algorithm_t (*get_pcr_digest_alg)(tpm_tss_quote_info_t *this);
75:
76: /**
77: * Get PCR Composite digest
78: *
79: * @return PCR Composite digest
80: */
81: chunk_t (*get_pcr_digest)(tpm_tss_quote_info_t *this);
82:
83: /**
84: * Get TPM Quote Info digest, the basis of the TPM Quote Signature
85: *
86: * @param nonce Derived from the Diffie-Hellman exchange
87: * @param composite PCR Composite as computed by IMV
88: * @param quoted Encoded TPM Quote
89: * @return TRUE if TPM Quote was successfully constructed
90: */
91: bool (*get_quote)(tpm_tss_quote_info_t *this, chunk_t nonce,
92: tpm_tss_pcr_composite_t *composite,
93: chunk_t *quoted);
94:
95: /**
96: * Set TPM version info (needed for TPM 1.2)
97: *
98: * @param version_info TPM 1.2 version info
99: */
100: void (*set_version_info)(tpm_tss_quote_info_t *this, chunk_t version_info);
101:
102: /**
103: * Get TPM 2.0 version info (needed for TPM 2.0)
104: *
105: * @return TPM 2.0 firmwareVersion
106: */
107: chunk_t (*get_version_info)(tpm_tss_quote_info_t *this);
108:
109: /**
110: * Set TPM 2.0 info parameters (needed for TPM 2.0)
111: *
112: * @param qualified_signer TPM 2.0 qualifiedSigner
113: * @param clock_info TPM 2.0 clockInfo
114: * @param pcr_select TPM 2.0 pcrSelect
115: */
116: void (*set_tpm2_info)(tpm_tss_quote_info_t *this, chunk_t qualified_signer,
117: chunk_t clock_info, chunk_t pcr_select);
118:
119:
120: /**
121: * Get TPM 2.0 info parameters (needed for TPM 2.0)
122: *
123: * @param qualified_signer TPM 2.0 qualifiedSigner
124: * @param clock_info TPM 2.0 clockInfo
125: * @param pcr_select TPM 2.0 pcrSelect
126: */
127: void (*get_tpm2_info)(tpm_tss_quote_info_t *this, chunk_t *qualified_signer,
128: chunk_t *clock_info, chunk_t *pcr_select);
129:
130: /**
131: * Get reference to Quote Info object.
132: */
133: tpm_tss_quote_info_t* (*get_ref)(tpm_tss_quote_info_t *this);
134:
135: /**
136: * Destroy a tpm_tss_quote_info_t.
137: */
138: void (*destroy)(tpm_tss_quote_info_t *this);
139: };
140:
141: /**
142: * Create a tpm_tss_quote_info instance.
143: *
144: * @param quote_mode TPM Quote mode
145: * @param pcr_digest_alg PCR Composite digest algorithm
146: * @param pcr_digest PCR Composite digest
147: */
148: tpm_tss_quote_info_t *tpm_tss_quote_info_create(tpm_quote_mode_t quote_mode,
149: hash_algorithm_t pcr_digest_alg, chunk_t pcr_digest);
150:
151: #endif /** TPM_TSS_QUOTE_INFO_H_ @}*/