Root/
1 | #ifndef __TRUSTED_KEY_H |
2 | #define __TRUSTED_KEY_H |
3 | |
4 | /* implementation specific TPM constants */ |
5 | #define MAX_PCRINFO_SIZE 64 |
6 | #define MAX_BUF_SIZE 512 |
7 | #define TPM_GETRANDOM_SIZE 14 |
8 | #define TPM_OSAP_SIZE 36 |
9 | #define TPM_OIAP_SIZE 10 |
10 | #define TPM_SEAL_SIZE 87 |
11 | #define TPM_UNSEAL_SIZE 104 |
12 | #define TPM_SIZE_OFFSET 2 |
13 | #define TPM_RETURN_OFFSET 6 |
14 | #define TPM_DATA_OFFSET 10 |
15 | |
16 | #define LOAD32(buffer, offset) (ntohl(*(uint32_t *)&buffer[offset])) |
17 | #define LOAD32N(buffer, offset) (*(uint32_t *)&buffer[offset]) |
18 | #define LOAD16(buffer, offset) (ntohs(*(uint16_t *)&buffer[offset])) |
19 | |
20 | struct tpm_buf { |
21 | int len; |
22 | unsigned char data[MAX_BUF_SIZE]; |
23 | }; |
24 | |
25 | #define INIT_BUF(tb) (tb->len = 0) |
26 | |
27 | struct osapsess { |
28 | uint32_t handle; |
29 | unsigned char secret[SHA1_DIGEST_SIZE]; |
30 | unsigned char enonce[TPM_NONCE_SIZE]; |
31 | }; |
32 | |
33 | /* discrete values, but have to store in uint16_t for TPM use */ |
34 | enum { |
35 | SEAL_keytype = 1, |
36 | SRK_keytype = 4 |
37 | }; |
38 | |
39 | struct trusted_key_options { |
40 | uint16_t keytype; |
41 | uint32_t keyhandle; |
42 | unsigned char keyauth[SHA1_DIGEST_SIZE]; |
43 | unsigned char blobauth[SHA1_DIGEST_SIZE]; |
44 | uint32_t pcrinfo_len; |
45 | unsigned char pcrinfo[MAX_PCRINFO_SIZE]; |
46 | int pcrlock; |
47 | }; |
48 | |
49 | #define TPM_DEBUG 0 |
50 | |
51 | #if TPM_DEBUG |
52 | static inline void dump_options(struct trusted_key_options *o) |
53 | { |
54 | pr_info("trusted_key: sealing key type %d\n", o->keytype); |
55 | pr_info("trusted_key: sealing key handle %0X\n", o->keyhandle); |
56 | pr_info("trusted_key: pcrlock %d\n", o->pcrlock); |
57 | pr_info("trusted_key: pcrinfo %d\n", o->pcrinfo_len); |
58 | print_hex_dump(KERN_INFO, "pcrinfo ", DUMP_PREFIX_NONE, |
59 | 16, 1, o->pcrinfo, o->pcrinfo_len, 0); |
60 | } |
61 | |
62 | static inline void dump_payload(struct trusted_key_payload *p) |
63 | { |
64 | pr_info("trusted_key: key_len %d\n", p->key_len); |
65 | print_hex_dump(KERN_INFO, "key ", DUMP_PREFIX_NONE, |
66 | 16, 1, p->key, p->key_len, 0); |
67 | pr_info("trusted_key: bloblen %d\n", p->blob_len); |
68 | print_hex_dump(KERN_INFO, "blob ", DUMP_PREFIX_NONE, |
69 | 16, 1, p->blob, p->blob_len, 0); |
70 | pr_info("trusted_key: migratable %d\n", p->migratable); |
71 | } |
72 | |
73 | static inline void dump_sess(struct osapsess *s) |
74 | { |
75 | print_hex_dump(KERN_INFO, "trusted-key: handle ", DUMP_PREFIX_NONE, |
76 | 16, 1, &s->handle, 4, 0); |
77 | pr_info("trusted-key: secret:\n"); |
78 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, |
79 | 16, 1, &s->secret, SHA1_DIGEST_SIZE, 0); |
80 | pr_info("trusted-key: enonce:\n"); |
81 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, |
82 | 16, 1, &s->enonce, SHA1_DIGEST_SIZE, 0); |
83 | } |
84 | |
85 | static inline void dump_tpm_buf(unsigned char *buf) |
86 | { |
87 | int len; |
88 | |
89 | pr_info("\ntrusted-key: tpm buffer\n"); |
90 | len = LOAD32(buf, TPM_SIZE_OFFSET); |
91 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 1, buf, len, 0); |
92 | } |
93 | #else |
94 | static inline void dump_options(struct trusted_key_options *o) |
95 | { |
96 | } |
97 | |
98 | static inline void dump_payload(struct trusted_key_payload *p) |
99 | { |
100 | } |
101 | |
102 | static inline void dump_sess(struct osapsess *s) |
103 | { |
104 | } |
105 | |
106 | static inline void dump_tpm_buf(unsigned char *buf) |
107 | { |
108 | } |
109 | #endif |
110 | |
111 | static inline void store8(struct tpm_buf *buf, const unsigned char value) |
112 | { |
113 | buf->data[buf->len++] = value; |
114 | } |
115 | |
116 | static inline void store16(struct tpm_buf *buf, const uint16_t value) |
117 | { |
118 | *(uint16_t *) & buf->data[buf->len] = htons(value); |
119 | buf->len += sizeof value; |
120 | } |
121 | |
122 | static inline void store32(struct tpm_buf *buf, const uint32_t value) |
123 | { |
124 | *(uint32_t *) & buf->data[buf->len] = htonl(value); |
125 | buf->len += sizeof value; |
126 | } |
127 | |
128 | static inline void storebytes(struct tpm_buf *buf, const unsigned char *in, |
129 | const int len) |
130 | { |
131 | memcpy(buf->data + buf->len, in, len); |
132 | buf->len += len; |
133 | } |
134 | #endif |
135 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9