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