1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __ENCRYPTED_KEY_H |
3 | #define __ENCRYPTED_KEY_H |
4 | |
5 | #define ENCRYPTED_DEBUG 0 |
6 | #if defined(CONFIG_TRUSTED_KEYS) || \ |
7 | (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE)) |
8 | extern struct key *request_trusted_key(const char *trusted_desc, |
9 | const u8 **master_key, size_t *master_keylen); |
10 | #else |
11 | static inline struct key *request_trusted_key(const char *trusted_desc, |
12 | const u8 **master_key, |
13 | size_t *master_keylen) |
14 | { |
15 | return ERR_PTR(-EOPNOTSUPP); |
16 | } |
17 | #endif |
18 | |
19 | #if ENCRYPTED_DEBUG |
20 | static inline void dump_master_key(const u8 *master_key, size_t master_keylen) |
21 | { |
22 | print_hex_dump(KERN_ERR, "master key: " , DUMP_PREFIX_NONE, 32, 1, |
23 | master_key, master_keylen, 0); |
24 | } |
25 | |
26 | static inline void dump_decrypted_data(struct encrypted_key_payload *epayload) |
27 | { |
28 | print_hex_dump(KERN_ERR, "decrypted data: " , DUMP_PREFIX_NONE, 32, 1, |
29 | epayload->decrypted_data, |
30 | epayload->decrypted_datalen, 0); |
31 | } |
32 | |
33 | static inline void dump_encrypted_data(struct encrypted_key_payload *epayload, |
34 | unsigned int encrypted_datalen) |
35 | { |
36 | print_hex_dump(KERN_ERR, "encrypted data: " , DUMP_PREFIX_NONE, 32, 1, |
37 | epayload->encrypted_data, encrypted_datalen, 0); |
38 | } |
39 | |
40 | static inline void dump_hmac(const char *str, const u8 *digest, |
41 | unsigned int hmac_size) |
42 | { |
43 | if (str) |
44 | pr_info("encrypted_key: %s" , str); |
45 | print_hex_dump(KERN_ERR, "hmac: " , DUMP_PREFIX_NONE, 32, 1, digest, |
46 | hmac_size, 0); |
47 | } |
48 | #else |
49 | static inline void dump_master_key(const u8 *master_key, size_t master_keylen) |
50 | { |
51 | } |
52 | |
53 | static inline void dump_decrypted_data(struct encrypted_key_payload *epayload) |
54 | { |
55 | } |
56 | |
57 | static inline void dump_encrypted_data(struct encrypted_key_payload *epayload, |
58 | unsigned int encrypted_datalen) |
59 | { |
60 | } |
61 | |
62 | static inline void dump_hmac(const char *str, const u8 *digest, |
63 | unsigned int hmac_size) |
64 | { |
65 | } |
66 | #endif |
67 | #endif |
68 | |