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